Product ID RS-A2SDI-4C4L CPU Intel Atom C3558 Processor 2.20 GHz 4 Cores / 4 Threads 16W TDP, 14nm, 8MB Cache Chipset SoC Memory 4 x DDR4 DIMM slots Supports up to 256GB ECC RDIMM Supports up to 64GB Unbuffered ECC/non-ECC UDIMM Supports up to 2133MHz Video Aspeed AST2400 BMC Audio N/A Storage Technology M.2: SATA/PCI-E 3.0 x2 SATA3 6Gb/s Shared PCI-E Lanes with PCI-E Expansion, Up to 8 Total Connectivity 4 x Intel C3000 SoC GbE LAN Expansion Slots 1 x PCI-E 3.0 x4 slot Shared PCI-E Lanes with SATA Ports, Up to 8 Total Front Panel I/O 1 x Power Switch 1 x Reset Switch 2 x USB 2.0 3 x Status LEDs (Power, HDD, NIC) 1 x RJ45 Dedicated IPMI 2 x USB 2.0 4 x RJ45 GbE LAN 1 x VGA Rear Panel I/O 3 x Status LEDs (Power, HDD, NIC) 1 x RJ45 Dedicated IPMI 2 x USB 2.0 4 x RJ45 GbE LAN 1 x VGA Drive Support 2 x 2.5" SATA Drive -or- 1 x 3.5" SATA Drive Case Cooling 2 x 40x20mm PWM Case Fans Power Supply 250W Flex ATX 1U Power Supply High Efficiency (80 PLUS Bronze) MTBF >100,000 hrs Universal AC (100 ~ 240 VAC @ 47 ~ 63 Hz) UL, FCC, CE, ErP Case Dimensions 248mm x 430mm x 44.45mm 9.76" x 16.93" x 1.75" (in inches; approximate) Mounting Standard 19" 1U Rackmount Wall-mounting dimensions: 440.45mm x 18mm Warranty 1-Year Manufacturer's Limited Warrany