Manufacturer ASUS Product ID RS521A-E12-RS12U-20TW1G Model Number RS521A-E12-RS12U CPU Supports AMD EPYC 9005/9004 Series Processors Socket SP5 Air Cool with EVAC up to 360W Chipset SoC Memory 24 x DDR5 DIMM slots Maximum 2304GB Capacity Supports RDIMM/3DS RDIMM EPYC 9005 Supports up to 5200 MHz EPYC 9004 Supports up to 4800 MHz Video Aspeed AST2600 Storage Technology Front Backplane supports 12 x SATA/SAS/NVMe 2 x SATA Rear Bays 2 x M.2 PCI-E 4.0 x4 or SATA Connectivity 2 x Intel I350-AM2 GbE LAN 1 x Realtek RTL8211F GbE Management LAN ASUS ASMB11-iKVM Expansion 2 x PCI-E 5.0 x16 slot (Full Height, Full Length) or 4 x PCI-E 5.0 x8 (Full Height, Full Length) 1 x PCI-E 5.0 x8 slot (Low Profile) 1 x OCP 3.0 slot (PCI-E 5.0 x16) Rear I/O 1 x Q-Code/Port 80 LED 2 x USB 3.2 (Gen1) 1 x VGA 1 x RJ45 GbE Management LAN 2 x RJ45 GbE LAN 1 x Power Button with LED 1 x Location Button with LED 1 x Message LED Front Panel I/O 2 x USB 3.2 (Gen1) 1 x Power Button with LED 1 x Location Button with LED 1 x Message LED 2 x LAN LED Drive Support 2 x M.2 PCI-E 4.0 x4 or SATA 12 x 3.5"/2.5" NVMe/SATA/SAS Drive Bays Power Supply 1+1 Redundant 1600W 80-PLUS Titanium Cooling 4 x 80x56mm Case Fans Case Dimensions 2U Rackmount 840 x 449 x 88.1mm 33.07" x 17.68" x 3.47" (in inches) Environmental Operating Temperature: 10°C to 35°C (50°F to 95°F) Non-operating Temperature: -40°C to 70°C (-40°F to 158°F) Non-Operating Humidity: 20% to 90% at 35°C (non-condensing) Compliance CB, CE, RCM, FCC(Class A) Warranty 1 Year Manufacturer's Limited Warranty
