Up to 12 all-flash NVMe drives on front panel and four drives on middle panel to enable extensive storage and high-throughput performance Up to three PCIe 4.0 slots to enable higher bandwidth and improved data-transfer rates Onboard ASUS ASMB10-iKVM for out-of-band management with ASPEED AST2600 controller Integrated PFR FPGA as the platform Root-of-Trust solution for firmware resiliency Air cooling with heatsink achieves lower power-usage effectiveness (PUE) and optimized TCO for data centers.0MB DDR4 RAM installed.BSMI, FCC Class A certified.No optical drive.Six expansion slots for upgrading your system.Dimensions: 1.73"H x 17.7"W x 33.17"D.Connectivity interfaces: 1 x PCIe 4.0 x16, 1 x PCIe 4.0 x16, 1 x PCIe 4.0 x16 (x8 mode), two M.2 Card.Rack mount server.Power device: power supply