Specifications

Physical Status
Form Factor	CEB
Dimensions	12'' x 10.5'' (304.8 x 266.7 mm)
Processor System
CPU	Supports 4th Gen Intel^? Xeon^? Scalable Processors
Socket	Single Socket E (LGA 4677)
Thermal Design Power	350W
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: 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	PCIe5.0 / CXL1.1 x16 [CPU] PCIe5.0 / CXL1.1 x16 [CPU] PCIe5.0 / CXL1.1 x16 [CPU] PCIe5.0 / CXL1.1 x16 [CPU]
Other PCIe Expansion Connectors
M.2 slot	1 M-key M2_1 (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2242 form factor [PCH] 1 M-key M2_2 (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280 form factor [PCH]
Others	2 MCIO (PCIe5.0 x8) [CPU] 1 MCIO (PCIe3.0 x4 or SATA 6Gb/s) [PCH]
SATA/SAS Storage
PCH Built-in Storage	Intel^? C741 (Up to 12 SATA 6Gb/s, support RAID 0/1/5/10): 1 MCIO 4i, 8 SATA via optional M2U2-HD-4G M.2 device
Ethernet
Additional GbE Controller	2 RJ45 (10GbE) by Broadcom BCM57416 2 RJ45 (1GbE) by Intel^? i210
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: 1 DB15 (VGA)
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), 2 RJ45(1GbE), 1 dedicated IPMI
Internal Connector/Headers
Power Connector	1 Micro-Fit (4-pin, ATX PSU signal), 3 (8-pin, ATX 12V)
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)
Speaker Header	1 (4-pin)
Fan Header	6 (6-pin)
Thermal Sensor Header	1
TPM Header	1 (13-pin, SPI)
VROC header	1
SGPIO Header	2
HSBP	1
SMBus header	1
PMBus header	1
IPMB Header	1
Clear CMOS	1 (contact pads)
Front Lan LED Connector	1
USB 3.2 (Gen1) Header	1 (19-pin, 2 USB3.2 Gen1)
USB 2.0 Header	1 (9-pin, 2 USB2.0)
NMI Header	1
LED Indicators
Standby PWR LED 5vsb	1
80 Debug Port LED	1
Fan Fail LED	6
BMC heartbeat LED	1
System BIOS
BIOS Type	AMI 256Mb 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, MB, Card side, TR1 Temperature sensing
Fan	Fan Tachometer CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) Fan Multi-Speed Control
Voltage	CPU1_PVCCIN, 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)