CPU CPU Model Intel Celeron J4025 CPU Architecture 64-bit CPU Frequency 2-core 2.0 (base) / 2.9 (burst) GHz Hardware Encryption Engine (AES-NI) Yes Memory System Memory 2 GB DDR4 non-ECC Total Memory Slots 1 Maximum Memory Capacity 6 GB (2 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 suppliers 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 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD Maximum Single Volume Size 108 TB Hot Swappable Drive Yes 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 Port 2 (with Link Aggregation / Failover support) USB 3.0 Port 2 USB / SD Copy Yes File System Internal Drives Btrfs EXT4 External Drives Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT Notes exFAT Access is purchased separately in Package Center 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 Yes Power Recovery Yes Noise Level 19.3 dB(A) Scheduled Power On / Off Yes Wake on LAN / WAN Yes 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 14.69 W (Access) 4.41 W (HDD Hibernation) British Thermal Unit 50.12 BTU/hr (Access) 15.05 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: 24.25-25.75oC Humidity: 58.2-61.8% Temperature Operating Temperature 0oC to 40oC (32oF to 104oF) Storage Temperature -20oC to 60oC (-5oF to 140oF) Relative Humidity 5% to 95% RH Certification EAC VCCI CCC RCM KC FCC CE BSMI 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 Item Dimension (L"xW"xH") 12 x 11 x 5