Hardware Specifications
CPU
CPU Model
AMD Ryzen V1500B
CPU Quantity
1
CPU Core
4
CPU Architecture
64-bit
CPU Frequency
2.2 GHz
Hardware Encryption Engine
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 multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage
Drive Bays
4
Maximum Drive Bays with Expansion Unit
9 (DX525 x 1)
M.2 Drive Slots
2 (NVMe)
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 drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.
External Ports
RJ-45 2.5GbE LAN Port
2
USB 3.2 Gen 1 Port
2
Expansion Port
1
Expansion Port Type
USB Type-C
Appearance
Size (Height x Width x Depth)
166 mm x 199 mm x 223 mm
Weight
2.26 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*
20.5 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*
37.91 watts (Access)12.33 watts (HDD Hibernation)
British Thermal Unit
129.27 BTU/hr (Access)42.05 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 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 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
BIS
Warranty
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
Notes
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Extended Warranty Plus is only available in Europe and North America. EW201/EW202 is only available in Asia, Africa, and Oceania. For exact availability information please visit their respective websites.
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
Optional Accessories
DDR4 ECC SODIMM: D4ES04-4G/D4ES03-8G/D4ES03-16G
Expansion Units: DX525
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 & SNV5400 Series
Notes
For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Core components
CPU:
Intel Celeron N5105 quad-core 2.0 GHz processor
RAM:
4GB DDR4-2933 SO-DIMM (upgradeable to 16GB)
Drive Bays:
2 x 3.5"/2.5" SATA III (6Gb/s) for HDDs or SSDs
M.2 Slots:
4 x M.2 2280 NVMe SSD slots (PCIe 3.0 x1)
Ethernet:
2 x 2.5-Gigabit Ethernet ports
USB:
2 x USB 3.2 Gen 2 (10Gbps) ports
Video Output:
1 x HDMI 2.0b port with 10bit 4K HDR hardware decoding
Other features
Cooling:
Includes thermal vents for M.2 SSDs and one 70mm fan
Power:
Supports Wake on LAN and Wake on WAN
Multimedia:
Capable of 4K transcoding for services like Plex
Dimensions:
170 x 114 x 230 mm
Weight:
1.71kg (3.77lb)
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
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
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
Hardware Specifications
CPU
CPU Model
AMD Ryzen V1500B
CPU Quantity
1
CPU Core
4
CPU Architecture
64-bit
CPU Frequency
2.2 GHz
Hardware Encryption Engine
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 multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage
Drive Bays
4
Maximum Drive Bays with Expansion Unit
9 (DX525 x 1)
M.2 Drive Slots
2 (NVMe)
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 drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.
External Ports
RJ-45 2.5GbE LAN Port
2
USB 3.2 Gen 1 Port
2
Expansion Port
1
Expansion Port Type
USB Type-C
Appearance
Size (Height x Width x Depth)
166 mm x 199 mm x 223 mm
Weight
2.26 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*
20.5 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*
37.91 watts (Access)12.33 watts (HDD Hibernation)
British Thermal Unit
129.27 BTU/hr (Access)42.05 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 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 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
BIS
Warranty
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
Notes
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Extended Warranty Plus is only available in Europe and North America. EW201/EW202 is only available in Asia, Africa, and Oceania. For exact availability information please visit their respective websites.
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
Optional Accessories
DDR4 ECC SODIMM: D4ES04-4G/D4ES03-8G/D4ES03-16G
Expansion Units: DX525
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 & SNV5400 Series
Notes
For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Hardware Specifications
CPU
CPU Model
Realtek RTD1619B
CPU Architecture
ARM64 64-bit
CPU Frequency
Quad-Core 1.7GHz
Memory
Memory
2GB DDR4
Memory Expandable up to
not expandable
Flash Memory
8GB eMMC
Storage
Drive Bays
4
Compatible Drive Type
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Drive Bays with Expansion Unit
16
Supports Hot Swappable Drives
External Ports
Expansion
3x USB 3.2 Gen 1
Network
1x 2.5 Gigabit Ethernet (2.5G/1G/100M)
Multimedia Output
N/A
Others
System Fan
1x 120mm
Power Supply Unit / Adapter
90W x1
Input Power Voltage
100V to 240V AC
Certification
FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS, CCC
Warranty
3 Years
Operation
Power Consumption
25.1W (Operation) 8.4W (Disk Hibernation);
Noise Level
19.7dB (HDD idle)
Operation Temperature
0°C~40°C (32°F~104°F)
Storage Temperature
-20°C~70°C (-4°F~158°F)
Humidity
5% to 95% RH
Size and Weight
Size
170(H) x 174(W) x 230(D) mm
Weight
2.2 kg / 4.85 lbs
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
Specifications
Component
Specification
CPU
Intel Celeron J4125, 4-core, 2.0 GHz base / 2.7 GHz turbo
Memory
2GB DDR4 (expandable up to 6GB)
Drive Bays
4 x 3.5"/2.5" SATA
M.2 Slots
2 x M.2 2280 NVMe (for cache)
Network
2 x 1GbE RJ-45 LAN ports (with link aggregation and failover)
USB Ports
2 x USB 3.2 Gen 1
Hot-swappable drives
Yes (for SATA drives)
Operating System
Synology DiskStation Manager (DSM)
Power Consumption
28.3 W (Access), 8.45 W (HDD Hibernation)
Dimensions
166 x 199 x 223 mm
Weight
2.18 kg
Warranty
3 years (extendable)
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
Key specifications
Capacity:
6TB
Form Factor:
3.5-inch
Interface:
SATA III 6 Gb/s
Cache:
256MB
Rotational Speed:
5400 RPM
Max Sustained Transfer Rate:
202 MB/s
Recording Technology:
Conventional Magnetic Recording (CMR)
Workload Rating:
180TB/year
MTBF:
Up to 1 million hours
Design:
Air-sealed
Operating Temperature:
0°C to 65°C
Power Consumption:
Active Idle (typical):
3.4W
Active (typical):
5.6W
Acoustics:
Idle (typical):
~20 dBA
Seek (typical):
~27 dBA