CPU CPU Model AMD Ryzen V1500B CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 2.2 GHz Hardware Encryption Engine (AES-NI) Memory System Memory 4 GB DDR4 ECC SODIMM Memory Module Pre-installed 4 GB (4 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product. Storage Drive Bays 8 Maximum Drive Bays with Expansion Unit 18 (DX517 x 2) M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive* Notes The hot swappable drive feature is not supported by M.2 SSD slots. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 4 eSATA Port 2 Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. PCIe PCIe Expansion 1 x Gen3 x8 slot (x4 link) Appearance Size (Height x Width x Depth) 166 mm x 343 mm x 243 mm Weight 6 kg Others System Fan 120 mm x 120 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Easy Replacement System Fan Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 22.2 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 250 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 59.8 W (Access)26.18 W (HDD Hibernation) British Thermal Unit 204.05 BTU/hr (Access)89.33 BTU/hr (HDD Hibernation) Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s). Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI EAC CCC KC VCCI RCM Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G Expansion Units: DX517 Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 Series 25GbE Network Interface Card: E25G30-F2 10GbE Network Interface Card: E10G21-F2/E10G30-T2/E10G18-T1

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Hardware Specifications CPU CPU Model Realtek RTD1619B CPU Quantity 1 CPU Core 4 CPU Architecture 64-bit CPU Frequency 1.7 GHz Hardware Encryption Engine Memory System Memory 2 GB DDR4 non-ECC Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Storage Drive Bays 2 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD Hot Swappable Drive* Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 1 USB 3.2 Gen 1 Port* 3 USB Copy Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. Appearance Size (Height x Width x Depth) 165 mm x 108 mm x 232.7 mm Weight 1.28 kg Others System Fan 92 mm x 92 mm x 1 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 14.6 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 60 watts AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 17.343 watts (Access)4.08 watts (HDD Hibernation) British Thermal Unit 59.19 BTU/hr (Access)13.92 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%. Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH

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CPU CPU Model Realtek RTD1619B CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 1.7 GHz Hardware Encryption Engine Memory System Memory 1 GB DDR4 non-ECC Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Storage Drive Bays 1 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD (with optional 2.5" Disk Holder) Hot Swappable Drive* - Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 1 USB 3.2 Gen 1 Port* 2 Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. Appearance Size (Height x Width x Depth) 166 mm x 71 mm x 224 mm Weight 0.7 kg Others System Fan 60 mm x 60 mm x 1 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Low-power Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 19.0 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 36 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 10.69 W (Access)3.44 W (HDD Hibernation) British Thermal Unit 36.50 BTU/hr (Access)11.75 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 RJ-45 LAN Cable X 1 Quick Installation Guide X 1 Optional Accessories Plus Series 3.5" SATA HDD: HAT3300 Series

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CPU CPU Model AMD Ryzen V1500B CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 2.2 GHz Hardware Encryption Engine (AES-NI) Memory System Memory 4 GB DDR4 ECC SODIMM Memory Module Pre-installed 4 GB (4 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product. Storage Drive Bays 6 Maximum Drive Bays with Expansion Unit 16 (DX517 x 2) M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive* Notes The hot swappable drive feature is not supported by M.2 SSD slots. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 3 eSATA Port 2 Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. PCIe PCIe Expansion 1 x Gen3 x8 slot (x4 link) Appearance Size (Height x Width x Depth) 166 mm x 282 mm x 243 mm Weight 5.1 kg Others System Fan 92 mm x 92 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Easy Replacement System Fan Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 25.2 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 250 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 51.22 W (Access)25.27 W (HDD Hibernation) British Thermal Unit 174.77 BTU/hr (Access)86.22 BTU/hr (HDD Hibernation) Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s). Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI EAC CCC KC VCCI RCM Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G Expansion Units: DX517 Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 Series 25GbE Network Interface Card: E25G30-F2 10GbE Network Interface Card: E10G21-F2/E10G30-T2/E10G18-T1

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CPU CPU Model Intel Celeron J4125 CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 2.0 (base) / 2.7 (burst) GHz Hardware Encryption Engine (AES-NI) Memory System Memory 2 GB DDR4 non-ECC Total Memory Slots 1 Maximum Memory Capacity 6 GB (2 GB + 4 GB) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product. Storage Drive Bays 4 M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive* Notes The hot swappable drive feature is not supported by M.2 SSD slots. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 2 Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. Appearance Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm Weight 2.18 kg Others System Fan 92 mm x 92 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 19.8 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 90 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 28.3 W (Access)8.45 W (HDD Hibernation) British Thermal Unit 96.5 BTU/hr (Access)28.81 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories DDR4 non-ECC SODIMM: D4NESO-2666-4G Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 Series

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Hardware Specifications CPU CPU Model AMD Ryzen R1600 CPU Quantity 1 CPU Core 2 CPU Architecture 64-bit CPU Frequency 2.6 (base) / 3.1 (turbo) GHz Hardware Encryption Engine Memory System Memory 2 GB DDR4 ECC Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Storage Drive Bays 4 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD Hot Swappable Drive* Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 2 USB 3.2 Gen 1 Port* 1 Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. PCIe PCIe Expansion 1 x Gen3 x2 network upgrade slot Appearance Form Factor (RU) 1U Size (Height x Width x Depth) 44 mm x 478 mm x 327.5 mm Weight 4.38 kg Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKM114/RKS-02) 2-post 19" rack (direct mounting) Notes The rail kit is sold separately Others System Fan 40 mm x 40 mm x 3 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Power Recovery Noise Level* 28.5 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 100 watts AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 37.93 watts (Access)13.43 watts (HDD Hibernation) British Thermal Unit 129.42 BTU/hr (Access)45.83 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle stae. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 35°C (32°F to 95°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC

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CPU CPU Model AMD Ryzen R1600 CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 2-core 2.6 (base) / 3.1 (turbo) GHz Hardware Encryption Engine (AES-NI) Memory System Memory 8 GB DDR4 ECC SODIMM Memory Module Pre-installed 8 GB (8 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product. Storage Drive Bays 5 Maximum Drive Bays with Expansion Unit 15 (DX517 x 2) M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive* Notes The hot swappable drive feature is not supported by M.2 SSD slots. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 2 eSATA Port 2 Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. PCIe PCIe Expansion 1 x Gen3 x2 network upgrade slot Appearance Size (Height x Width x Depth) 166 mm x 230 mm x 223 mm Weight 2.7 kg Others System Fan 92 mm x 92 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 22.90 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 120 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 52.06 W (Access)16.71 W (HDD Hibernation) British Thermal Unit 177.64 BTU/hr (Access)57.02 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories DDR4 ECC SODIMM: D4ES02-8G/D4ES01-16G Expansion Units: DX517 Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 Series 10GbE Network Upgrade Module: E10G22-T1-Mini

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CPU CPU Model AMD Ryzen R1600 CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 2-core 2.6 (base) / 3.1 (turbo) GHz Hardware Encryption Engine (AES-NI) Memory System Memory 2 GB DDR4 ECC SODIMM Memory Module Pre-installed 2 GB (2 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product. Storage Drive Bays 2 Maximum Drive Bays with Expansion Unit 7 (DX517 x 1) M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive* Notes The hot swappable drive feature is not supported by M.2 SSD slots. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 1 eSATA Port 1 Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. PCIe PCIe Expansion 1 x Gen3 x2 network upgrade slot Appearance Size (Height x Width x Depth) 166 mm x 106 mm x 223 mm Weight 1.51 kg Others System Fan 92 mm x 92 mm x 1 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 20.7 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 65 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 21.07 W (Access)8.62 W (HDD Hibernation) British Thermal Unit 71.85 BTU/hr (Access)29.39 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories DDR4 ECC SODIMM: D4ES02-4G/D4ES02-8G/D4ES01-16G Expansion Units: DX517 Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 Series 10GbE Network Upgrade Module: E10G22-T1-Mini

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CPU CPU Model Intel Celeron J4125 CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 2.0 (base) / 2.7 (burst) GHz Hardware Encryption Engine (AES-NI) Memory System Memory 2 GB DDR4 non-ECC Total Memory Slots 1 Maximum Memory Capacity 6 GB (2 GB + 4 GB) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. Storage Drive Bays 2 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD Hot Swappable Drive* Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 2 USB Copy Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. Appearance Size (Height x Width x Depth) 165 mm x 108 mm x 232.2 mm Weight 1.30 kg Others System Fan 92 mm x 92 mm x 1 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 22 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 60 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 14.69 W (Access)4.41 W (HDD Hibernation) British Thermal Unit 50.09 BTU/hr (Access)15.04 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA CCC KC Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 Optional Accessories DDR4 non-ECC SODIMM: D4NESO-2666-4G Plus Series 3.5" SATA HDD: HAT3300 Series

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CPU CPU Model Realtek RTD1619B CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 1.7 GHz Hardware Encryption Engine Memory System Memory 1 GB DDR4 non-ECC Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Storage Drive Bays 2 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD (with optional 2.5" Disk Holder) Hot Swappable Drive* - Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 1 USB 3.2 Gen 1 Port* 2 Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. Appearance Size (Height x Width x Depth) 165 mm x 100 mm x 225.5 mm Weight 0.88 kg Others System Fan 92 mm x 92 mm x 1 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Low-power Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 18.2 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 60 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 16.31 W (Access)4 W (HDD Hibernation) British Thermal Unit 55.62 BTU/hr (Access)13.64 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 1 Quick Installation Guide X 1 Optional Accessories Plus Series 3.5" SATA HDD: HAT3300 Series Disk Holder: Type C

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