|  System | 
| Form Factor | 
1U Rackmount | 
| Dimensions | 
676.5 x 438 x 43.4 mm (26.6'' x 17.2'' x 1.7'') | 
| Support MB | 
SPC741D8UD-2T/X550 | 
|  Front Panel | 
| Buttons | 
Power w/ LED, UID w/ LED, System Reset | 
| LEDs | 
HDD Activity, LAN 1/2 Activity, System Event | 
| I/O Ports | 
2 Type-A (USB2.0) | 
|  External Drive Bay / Storage | 
| Front Side Drive Bay | 
4 Hot-swap 2.5" NVMe (PCIe5.0 x4)/SATA/SAS* drive bays 4 Hot-swap 3.5" SATA drive bays *SAS drive is only supported with additional RAID/HBA cards | 
| Front Side Backplane | 
4-ports NVMe/SATA/SAS* passive backplane, 4-ports SATA passive backplane | 
| Internal Side | 
1 M-key (PCIe3.0 x4); support 2280 form factor | 
|  Power Supply | 
| Type | 
1+1 Slim PSU | 
| Output Watts | 
750W | 
| Efficiency | 
80-PLUS Platinum | 
| AC Input | 
100-240V, 60/50Hz | 
|  System Fan | 
| Fan | 
6 PWM Hot-swap 40x56 mm fans | 
|  Processor System | 
| CPU | 
Supports 4th Gen Intel® Xeon® Scalable processors | 
| Socket | 
Single Socket E (LGA 4677) | 
| Thermal Design Power | 
max. up to 300W | 
| Chipset | 
Intel® C741 | 
|  System Memory | 
| Supported DIMM Quantity | 
8 DIMM slots (1DPC) | 
| Supported Type | 
288-pin DDR5 RDIMM/ RDIMM-3DS | 
| Max. Capacity per DIMM | 
RDIMM: 64GB RDIMM-3DS: 256GB | 
| Max. DIMM Frequency | 
4800 MT/s | 
| Voltage | 
1.1V | 
|  PCIe Expansion Slots (SLOT7 close to CPU) | 
| PCIe x 16 | 
1 FHHL PCIe5.0 x16 via RB1UX16R_G5 | 
|  Ethernet | 
| Additional GbE Controller | 
2 RJ45 (10GbE) by Intel® X550-AT2 | 
|  Server Management | 
| BMC Controller | 
ASPEED AST2600: IPMI2.0 with iKVM and vMedia support | 
| IPMI Dedicated GLAN | 
1 RJ45 Dedicated IPMI LAN port by Realtek RTL8211F | 
|  Graphics | 
| Controller | 
ASPEED AST2600 | 
|  Rear I/O | 
| UID Button/LED | 
1 UID button w/ LED | 
| VGA Port | 
1 DB15 (VGA) | 
| USB 3.2 Gen1 Port | 
2 Type-A (USB3.2 Gen1) | 
| RJ45 | 
2 RJ45 (10GbE), 1 dedicated IPMI | 
|  System BIOS | 
| BIOS Type | 
AMI UEFI BIOS; 512Mb SPI Flash ROM | 
| BIOS Features | 
Plug and Play (PnP), ACPI 4.0 and above compliance wake up events, SMBIOS 3.4 and above, ASRock Rack Instant Flash | 
|  Hardware Monitor | 
| Temperature | 
CPU, PCH, MB, Card side Temperature Sensing | 
| Fan | 
Fan Tachometer CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) Fan Multi-Speed Control | 
| Voltage | 
1.05V_PCH, 1.8V_PCH, +BAT, PVNN_PCH, 3.3V, 5V, 12V, 3.3VSB, 5VSB, 12V, +12VSB | 
|  Environment | 
| Temperature | 
Operation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C | 
| Humidity | 
Non operation humidity: 20% ~ 90% ( Non condensing) |