CPU

CPU ModelIntel Celeron J4125 CPU Architecture64-bit CPU Frequency4-core 2.0 (base) / 2.7 (burst) GHz Hardware Encryption Engine (AES-NI)

Memory

System Memory4 GB DDR4 non-ECC Total Memory Slots1 Maximum Memory Capacity8 GB (4 GB + 4 GB) Notes

• 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.
• 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 Bays4 Maximum Drive Bays with Expansion Unit9 (DX517 x 1) M.2 Drive Slots2 (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

Maximum Single Volume Size*108 TB 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.
• Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports

RJ-45 1GbE LAN Port2 (with Link Aggregation / Failover support) USB 3.0 Port2 eSATA Port1

File System

Internal Drives

• Btrfs
• EXT4

External Drives

• Btrfs
• EXT4
• EXT3
• FAT
• NTFS
• HFS+
• exFAT*

NotesexFAT Access is purchased separately in Package Center.

Appearance

Size (Height x Width x Depth)166 mm x 199 mm x 223 mm Weight2.24 kg

Others

System Fan92 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 / Adapter100 W AC Input Power Voltage100 V to 240 V AC Power Frequency50/60 Hz, Single Phase Power Consumption*32.17 W (Access)
9.69 W (HDD Hibernation) British Thermal Unit109.84 BTU/hr (Access)
33.09 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 Temperature0°C to 40°C (32°F to 104°F) Storage Temperature-20°C to 60°C (-5°F to 140°F) Relative Humidity5% to 95% RH

Certification

• FCC
• CE
• BSMI
• EAC
• CCC
• KC
• VCCI
• RCM

Warranty

3-year hardware warranty, extendable to 5-year coverage – EW201 NotesThe warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

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
• Expansion Units: DX517
• 2.5″ SATA SSD: SAT5200
• M.2 2280 NVMe SSD: SNV3400
• VisualStation: VS960HD/VS360HD
• Surveillance Device License Pack

NotesAll memory modules will operate at the maximum frequency specified by the CPU manufacturer.