Specifications

Physical Status
Form Factor	EEB
Dimensions	12.4'' x 14" (314.96 x 355.6 mm)
Processor System
CPU	Supports 4th Gen Intel^? Xeon^? Scalable Processors
Socket	1+1 Socket E (LGA 4677)
Thermal Design Power	350W
Chipset	Intel^? C741
System Memory
Supported DIMM Quantity	8+8 DIMM slots (1DPC)
Supported Type	288-pin DDR5 RDIMM/ RDIMM-3DS
Max. Capacity per DIMM	RDIMM: 64GB RDIMM-3DS: 2H- 128 GB / 4H- 256 GB
Max. DIMM Frequency	4800 MT/s
Voltage	1.1V
PCIe Expansion Slots (SLOT7 close to CPU)
PCIe x 16	SLOT6: PCIe5.0 / CXL1.1 x16 [CPU0] SLOT5: PCIe5.0 / CXL1.1 x16 [CPU1] SLOT4: PCIe5.0 / CXL1.1 x16 [CPU0] SLOT3: PCIe5.0 / CXL1.1 x16 [CPU1] SLOT2: PCIe5.0 / CXL1.1 x16 [CPU1] SLOT0: PCIe5.0 / CXL1.1 x16 [CPU1]
PCIe x 8	SLOT1: PCIe5.0 x8 [CPU0]
Other PCIe Expansion Connectors
M.2 slot	1 M-key (PCIe5.0 x4); support 22110/2280 form factor [CPU0]
Others	2 MCIO (PCIE5.0 x8) [CPU0]
OCuLink	3 OCuLink (PCIe3.0 x4 or 4 SATA 6Gb/s) [PCH]
SATA/SAS Storage
PCH Built-in Storage	Intel^? C741 (Up to 13 SATA 6Gb/s, support RAID 0/1/5/10): 3 OCuLink, 1 SATA 7-pin
Ethernet
Additional GbE Controller	2 RJ45 (10GbE) by Intel^? X710-AT2
Server Management
BMC Controller	ASPEED AST2600: IPMI2.0 with iKVM and vMedia support
IPMI Dedicated GLAN	1 Realtek RTL8211F for dedicated management GLAN
Graphics
Controller	ASPEED AST2600: 1 DB15 (VGA), 1 header
Rear I/O
UID Button/LED	1 UID button w/ LED
VGA Port	1 DB15 (VGA)
USB 2.0 Port	2 Type-A (UBS2.0)
RJ45	2 RJ45 (10GbE), 1 dedicated IPMI
Internal Connector/Headers
Power Connector	1 (24-pin, ATX main power), 2 ( 8-pin, ATX 12V)
Other Power Connectors	2 (8-pin, add-on card power & FAN)
Auxiliary Panel Header	1 (18-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate, SMBus
System Panel	1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
COM Header	1 (9-pin)
VGA header	1 (15-pin)
Fan Header	8 (6-pin)
TPM Header	1 (13-pin, SPI)
VROC header	1
SGPIO Header	2
HSBP	2
SMBus header	2
PMBus header	1
IPMB Header	1
Clear CMOS	1 (contact pads)
USB 3.2 (Gen1) Header	1 header (19-pin, 2 USB3.2 Gen1)
NMI Header	1
LED Indicators
Standby PWR LED 5vsb	1
80 Debug Port LED	1
Fan Fail LED	8
BMC heartbeat LED	1
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 Tachomete CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) Fan Multi-Speed Control
Voltage	PSU +12V & +5VSB & +3.3V, +3VSB, PVNN_PCH, P1V05_PCH_STBY, P1V8_PCH_STBY, +BAT, PVCCIN_CPU0, PVCCIN_CPU1, PVCCINFAON_CPU0, PVCCINFAON_CPU1, PVCCFA_EHV_FIVRA_CPU0, PVCCFA_EHV_FIVRA_CPU1, PVCCD_HV_CPU0, PVCCD_HV_CPU1
Environment
Temperature	Operation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C
Humidity	Non operation humidity: 20% ~ 90% ( Non condensing)