Form Factor : Rackmount Processor : Intel Celeron N5105/5095 / Quad Core 2.0 GHz (Max burst up to 2.9 GHz) / Hardware Encryption Engine (Yes) Memory : 4 GB / 2 x SO-DIMM Up to 32 GB (16 GB + 16 GB) "Drive Hot Swap " Yes Supported RAID Types TRAID, Single, JBOD, RAID 0, RAID 1, RAID5, RAID 6, RAID 10 Storage : 4 x Disk Slot Number / 3.5" /2.5" SATA HDD / 2.5" SATA SSD / 80 TB (20TB x 4) (Capacity may vary by RAID types) File System : Btrfs, EXT4 / EXT3, EXT4, NTFS, FAT32, HFS+ External Ports : 2.5 Gigabit Ethernet Port (2) / USB 3.2 Gen 2 (10Gbps) Port (2) / HDMI Output (1) / M.2 Drive Slots (1) Appearance : 440 x 560 x 45 mm / Weigh 12Kg / Packaging Size 710 x 580 x 180mm Power : 250W / 100V - 240V AC / 50/60 Hz, Single frequency Power Consumption : 35.2 W (Fully loaded Seagate 4TB ST4000VN008 hard drive(s) in read/write state) / 13.9 W (Fully loaded Seagate 4TB ST4000VN008 hard drive(s) in hibernation) System Fan : 40 mm x 40 mm x28mm 3 pcs Fan Mode : Smart, High speed, Middle speed, Low speed Working Temperature : 0°C ~ 40°C Limited warranty : 3 years Certificate : FCC, CE, CCC, KC Environment : RoHS, WEEE