1U Rackmount with 400W PSU supports AMD Ryzen 5000 Series Desktop Processors 4 DDR4 ECC/ non-ECC UDIMM up to 32GB each 4 Hot-swap 3.5 HDD/SSD bays 3 fixed 2.5 HDD/SSD bays 1 FHHL PCIe4.0 x16 On-board dual 10Gb - E RJ45 and dual 1Gb - E RJ45 Remote management (IPMI) System Form ...1U Rackmount with 400W PSU supports AMD Ryzen 5000 Series Desktop Processors 4 DDR4 ECC/ non-ECC UDIMM up to 32GB each 4 Hot-swap 3.5 HDD/SSD bays 3 fixed 2.5 HDD/SSD bays 1 FHHL PCIe4.0 x16 On-board dual 10Gb - E RJ45 and dual 1Gb - E RJ45 Remote management (IPMI) System Form Factor 1U Rackmount Support MB X570D4U-2L2T Front Panel Buttons Power button w/ LED UID w/LED System reset LEDs LANs HDD activity System health I/O Ports 2 Type-A (USB 3.2 Gen1) External Drive Bay / Storage Front Side Drive Bay 4 Hot-swap 3.5 HDD/SSD (SATA 6Gb/s) bays 1 Slim ODD (BTO) Internal Side 3 fixed 2.5 HDD/SSD (SATA 6Gb/s) bays 1 M-key (PCIe4.0 x4 or SATA 6Gb/s) Form factor: 22110/2280/2260/2242 (CPU) 1 M-key (PCIe4.0 x4 or SATA 6Gb/s) Form factor: 2280/2260/2242 (X570) -Supports PCIe3.0 when using AMD Ryzen 3000 Series Processors with Radeon Graphics Power Supply Type Single PSU Output Watts 400W Efficiency 80-Plus Gold AC Input 100-240V 50-60Hz System Fan Fan 5 PWM Easy-swap 40x28 mm fans Processor System CPU supports: AMD Ryzen 5000 Series Desktop Processors AMD Ryzen - TM ⁴⁰⁰⁰ G-Series Desktop Processors with Radeon - TM Graphics AMD Ryzen - TM PRO ⁴⁰⁰⁰ and ³⁰⁰⁰ Series Desktop Processors ³rd Gen AMD Ryzen - TM Desktop Processors AMD Ryzen ³⁰⁰⁰ Series Processors with Radeon Graphics Socket AM⁴ PGA ¹³³¹ Chipset AMD X⁵⁷⁰ System Memory Capacity ⁴ DIMM slots (²DPC) Type ²⁸⁸-pin DDR⁴ ECC and non-ECC UDIMM -For AMD Ryzen Desktop Processors with Radeon Graphics ECC support is only with Processors with PRO technologies. DIMM Size Per DIMM up to ³²GB per DIMM DIMM Frequency up to ³²⁰⁰ MHz - AMD Ryzen ³⁰⁰⁰ Series Processors with Radeon Graphics support up to ²⁶⁶⁶ MHz Voltage ¹. ²V