Hardware Specifications CPU CPU Model Intel Celeron J4125 CPU Quantity 1 CPU Core 4 CPU Architecture 64-bit CPU Frequency 2.0 (base) / 2.7 (turbo) GHz Hardware Encryption Engine 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 4 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. Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. External Ports RJ-45 1GbE LAN Port 1 RJ-45 2.5GbE LAN Port 1 USB 3.2 Gen 1 Port 2 Notes MTU value of 1GbE LAN port has a limit of 1500. 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* 21.6 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 90 watts AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 28.25 watts (Access) 6.10 watts (HDD Hibernation) British Thermal Unit 96.33 BTU/hr (Access) 20.79 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) Operating Humidity 8% to 80% RH Storage Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS 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 non-ECC SODIMM: D4NS01-4G 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 & SNV5400 Series