Models
CPU
CPU Model
Intel Celeron J4125
CPU Architecture
64-bit
CPU Frequency
Quad Core 2.0 (base) / 2.7 (burst) GHz
Hardware Encryption Engine (AES-NI)
Video Output
Video Output
HDMI X 1
Supported Video Resolution
1080p 60Hz
Memory
System Memory
6 GB DDR4 non-ECC
Memory Module Pre-installed
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.
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 3.0 Port
2
Appearance
Size (Height x Width x Depth)
166 mm x 106 mm x 223 mm
Weight
1.51 kg
Others
Wake on LAN / WAN
System Fan
92 mm x 92 mm x 1 pcs
Fan Speed Mode
Cool Mode
Quiet Mode
Full-Speed Mode
Power Recovery
Noise Level*
18.4 dB(A)
Scheduled Power On / Off
Power Supply Unit / Adapter
60 W
AC Input Power Voltage
100 V to 240 V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
19.93 W (Access)4.02 W (HDD Hibernation)
British Thermal Unit
67.96 BTU/hr (Access)13.71 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
KC
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
Category
Details
CPU Model
Realtek RTD1619B
CPU Architecture
ARM64 64-bit
CPU Frequency
Quad-Core 1.7GHz
Memory
1GB DDR4
Memory Expandable
Not expandable
Flash Memory
8GB eMMC
Drive Bays
2
Compatible Drive Type
3.5" SATA HDD
Max Drive Bays (with Expansion)
6
External Ports
1× USB 3.2 Gen 11× USB 2.0
Network
1× Gigabit Ethernet (1G/100M)
Multimedia Output
N/A
System Fan
1× 70mm
Power Adapter
65W
Input Voltage
100V–240V AC
Certifications
FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS, CCC
Hardware Specifications
CPU CPU Model Realtek RTD1296
CPU Architecture ARM64 64-bit
CPU Frequency Quad Core 1.4GHz
Memory Memory 1GB DDR4
Memory Expandable up to not expandable
Flash Memory 8GB eMMC
Storage Drive Bays 2
Compatible Drive Type 3.5" SATA HDD
Maximum Drive Bays with Expansion Unit 10
External Ports Expansion 2x USB 3.2 Gen 1
Network 1x 2.5 Gigabit Ethernet (2.5G/1G/100M)
Multimedia Output N/A
Others System Fan 1x 70mm
Power Supply Unit / Adapter 65W x1
Input Power Voltage 100V to 240V AC
Certification FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS, CCC
Warranty 3 Years
Operation Power Consumption 11.6W (Operation) 5.97W (Disk Hibernation);
Noise Level 18.6dB (HDD idle)
Operation Temperature 0°C~40°C (32°F~104°F)
Humidity 5% to 95% RH
Size and Weight Size 165(H) x 102(W) x 218(D) mm
Weight 1.14 kg / 2.5 lbs
_____________________________________________________Warranty Information:• Item compatibility is buyer’s responsibility.• For security purposes: Kindly secure unboxing video incase wrong item and defective upon received.• Check all items upon receipt.• All items/claims for warranty are carry-in.• Tampered warranty sticker voids the warranty.• Overclocking may void the warranty.• Items for warranty must be complete with original contents/packaging and accompanied by warranty receipt.• Defective items for warranty are subject for pull out and RMA services. (Shipping fee should be shoulder by customer)
Hardware Specifications
CPU CPU Model Realtek RTD1296
CPU Architecture ARM64 64-bit
CPU Frequency Quad Core 1.4GHz
Memory Memory 2GB DDR4
Memory Expandable up to not expandable
Flash Memory 8GB eMMC
Storage Drive Bays 2
Compatible Drive Type 3.5" & 2.5" SATA HDD / 2.5" SATA SSD
Maximum Drive Bays with Expansion Unit 14
Supports Hot Swappable Drives YES
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 70mm
Power Supply Unit / Adapter 65W x1
Input Power Voltage 100V to 240V AC
Certification FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS, CCC
Warranty 3 Years
Operation Power Consumption 12.3W (Operation) 6.04W (Disk Hibernation);
Noise Level 18.6dB (HDD idle)
Operation Temperature 0°C~40°C (32°F~104°F)
Humidity 5% to 95% RH
Size and Weight Size 170(H) x 114(W) x 230(D) mm
Weight 1.6kg / 3.53 lbs
_____________________________________________________Warranty Information:• Item compatibility is buyer’s responsibility.• For security purposes: Kindly secure unboxing video incase wrong item and defective upon received.• Check all items upon receipt.• All items/claims for warranty are carry-in.• Tampered warranty sticker voids the warranty.• Overclocking may void the warranty.• Items for warranty must be complete with original contents/packaging and accompanied by warranty receipt.• Defective items for warranty are subject for pull out and RMA services. (Shipping fee should be shoulder by customer)
Specifications
CPU:
Intel Celeron J4125 Quad-Core Processor
(2.0 GHz base, 2.7 GHz burst)
Memory:
2 GB DDR4 RAM
(expandable with 1 slot for up to 4 GB)
Drive Bays:
2 x 2.5"/3.5" SATA III (Hot-Swap)
Networking:
1 x 2.5GbE LAN port, 1 x Gigabit Ethernet LAN port
Ports:
2 x USB-A 3.0 / 3.1/3.2 Gen 1
RAID Support:
RAID 0, 1, JBOD, Basic, and Synology Hybrid RAID (SHR)
Key Features
Fast Networking:
Features a 2.5GbE port for quicker data transfers.
Expandable Memory:
While it ships with 2GB, there's an available slot to add more RAM for improved performance.
Hot-Swap Drives:
Allows for easy replacement or addition of drives without powering down the system.
Hardware Encryption:
Includes AES-NI for hardware-accelerated data encryption.
Compact Design:
A compact, 2-bay NAS suitable for homes and edge storage scenarios.
Feature / Category
Specification / Details
Notes / Additional Info
CPU Model
Intel Celeron J4125
—
CPU Quantity
1
—
CPU Core
4
—
CPU Architecture
64-bit
—
CPU Frequency
2.0 GHz (base) / 2.7 GHz (turbo)
—
Hardware Encryption Engine
—
—
System Memory
2 GB DDR4 non-ECC
—
Total Memory Slots
1
—
Maximum Memory Capacity
6 GB (2 GB + 4 GB)
—
Memory Notes
—
Synology recommends Synology memory only for full support and warranty
Drive Bays
4
—
M.2 Drive Slots
2 (NVMe)
—
Supported Drive Types
3.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD
—
Hot Swappable Drives
Yes (only for SATA, not for M.2 SSDs)
—
Drive Compatibility Notes
—
Use Synology’s compatibility list before purchase
1GbE LAN Port (RJ-45)
1
—
2.5GbE LAN Port (RJ-45)
1
—
USB 3.2 Gen 1 Ports
2
—
LAN Notes
—
1GbE LAN ports MTU: 1,500 bytes
Size (H x W x D)
166 mm x 199 mm x 223 mm
—
Weight
2.18 kg
—
System Fans
2 × 92 mm
—
Fan Modes
Full-Speed, Cool, Quiet
—
LED Brightness Adjustment
Yes
—
Power Recovery
Yes
—
Noise Level
21.6 dB(A)
—
Scheduled Power On/Off
Yes
—
Wake on LAN/WAN
Yes
—
Power Adapter
90 watts
—
AC Input Voltage
100V to 240V AC
—
Power Frequency
50/60 Hz, Single Phase
—
Power Consumption (Access)
28.25 watts
—
Power Consumption (Hibernation)
6.10 watts
—
BTU (Access)
96.33 BTU/hr
—
BTU (Hibernation)
20.79 BTU/hr
—
Power & Noise Notes
—
Measured with Synology SATA SSDs; tested under controlled conditions
Operating Temperature
0°C to 40°C (32°F to 104°F)
—
Storage Temperature
-20°C to 60°C (-5°F to 140°F)
—
Operating Humidity
8% to 80% RH
—
Storage Humidity
5% to 95% RH
—
Certifications
FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS
—
Environment Compliance
RoHS Compliant
—
Package Contents
Main Unit ×1, Accessory Pack ×1, AC Adapter ×1, Power Cord ×1, LAN Cable ×2
—
Optional Accessories
D4NS01-4G, HAT5300 Series, HAT3300 Series, SAT5200 Series, SNV3400/SNV5400
—
CPU
CPU Model
Marvell Armada 3700 88F3720
CPU Quantity
1
CPU Architecture
64-bit
CPU Frequency
2-core 800 MHz
Hardware Encryption Engine
Memory
System Memory
512 MB DDR3L 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 HDD (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 2.0 Port
2
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
Power Recovery
Noise Level*
16.9 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
9.81 W (Access)4.68 W (HDD Hibernation)
British Thermal Unit
33.47 BTU/hr (Access)15.97 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
EAC
CCC
KC
FCC
CE
BSMI
VCCI
RCM
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
Disk Holder: Type C
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
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
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