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Green EEB server board with dual LGA 4677 sockets and sixteen DDR5 slots

ASRock Rack

ASRock Rack SP2C741D16-2T EEB server motherboard dual LGA 4677 DDR5 16-slot

SKU CH-JRWE-6XMFK MPN SP2C741D16-2T

Dual-socket EEB server board with 16 DDR5 slots, five PCIe 5.0 x16 slots, dual 10 GbE LAN and Aspeed AST2600 video

  • CPU Socket TypeLGA 4677
  • CPU Type4th Gen Intel Xeon Scalable / 5th Gen Intel Xeon Scalable
  • Number of Processor Support2
  • CPU FeaturesThermal Design Power 350W
  • North BridgeIntel C741
  • Memory Slots16 x DDR5 288-pin
  • Dual LGA 4677 sockets enable two Xeon Scalable processors
  • 16 DDR5 slots support up to 4 TB registered memory
  • Five PCIe 5.0 x16 slots with CXL 1.1 for high-speed expansion
  • Dual 10 Gbps LAN ports plus IPMI video on rear I/O
  • EEB form factor fits 12.12 x 13.3 inch server chassis

Dual-socket LGA 4677 server board

The ASRock Rack SP2C741D16-2T is an EEB form-factor motherboard built for two 4th or 5th Gen Intel Xeon Scalable processors. Sixteen DDR5 288-pin slots support up to 4 TB of registered memory at 5600 MT/s. The Intel C741 chipset provides the platform foundation.

Suited for dense compute and storage clusters

This board targets builders who need maximum PCIe 5.0 lane count and CXL 1.1 connectivity in a dual-socket layout. Five x16 slots, one x8 slot, two MCIO x8 ports and three OCuLink ports give extensive expansion for accelerators, networking or storage. Buyers who require single-socket operation or smaller ATX footprints should consider other platforms.

Build integration notes

Each CPU can draw up to 350 W, so cooling and power delivery must be planned accordingly. Dual 10 GbE ports and an Aspeed AST2600 BMC handle out-of-band management and high-speed networking. A single M.2 M-key slot accepts 2280 or 22110 modules. The rear I/O supplies video, two USB 2.0 ports and the LAN connections.

Highlights

  • Dual LGA 4677 sockets enable two Xeon Scalable processors
  • 16 DDR5 slots support up to 4 TB registered memory
  • Five PCIe 5.0 x16 slots with CXL 1.1 for high-speed expansion
  • Dual 10 Gbps LAN ports plus IPMI video on rear I/O
  • EEB form factor fits 12.12 x 13.3 inch server chassis

Specifications

BrandAsRock Rack
ModelSP2C741D16-2T
CPU Socket TypeLGA 4677
CPU Type4th Gen Intel Xeon Scalable / 5th Gen Intel Xeon Scalable
Number of Processor Support2
CPU FeaturesThermal Design Power 350W
North BridgeIntel C741
Memory Slots16 x DDR5 288-pin
Memory StandardDDR5 5600
Maximum Memory Supported4TB
RegisteredYes
PCI Express 5.0 x16SLOT6: 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]
SLOT1: PCIe5.0 / CXL1.1 x16 [CPU1]
PCI Express x8SLOT2: PCIe5.0 x8 [CPU0]
Other Slots2 MCIO (PCIE5.0 x8) [CPU0]
3 OCuLink (PCIe3.0 x4 or 4 SATA 6Gb/s) [PCH]
M.21 M-key (PCIe5.0 x4); support 22110/2280 form factor [CPU0]
Onboard Video ChipsetAspeed AST2600
LAN ChipsetIntel X710-AT2
LAN Speed10Gbps
Max LAN Speed2 x 10Gbps
Back I/O Ports1 x D-Sub / 2 x LAN (RJ45) / 2 x USB 2.0/1.1
Onboard USBUSB 3.2 (Gen1) Header: 1 header (19-pin, 2 USB3.2 Gen1)
Other ConnectorsPower 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)
Others: 2 (1-pin, TGPIO header)
NMI Header: 1
BIOS FeatureAMI UEFI BIOS; 512Mb SPI Flash ROM
Plug and Play (PnP), ACPI 4.0 and above compliance wake up events, SMBIOS 3.4 and above, ASRock Rack instant flash
Form FactorEEB
Dimensions (W x L)12.12'' x 13.3"
Shipping weight2.59 kg
Package size406 × 381 × 70 mm

Questions about this item

What 4th or 5th Gen Intel Xeon Scalable processors does the LGA 4677 socket support?

The dual LGA 4677 sockets accept 4th and 5th Gen Intel Xeon Scalable processors up to 350 W TDP, including models such as 8580, 8490H, 6548Y+, 5520+, 4514Y and 4410Y.

Can I keep my existing DDR5 5600 RDIMM or RDIMM-3DS modules when upgrading to this board?

Yes, the 16 DDR5 288-pin slots run at DDR5 5600 and support registered RDIMM and RDIMM-3DS modules for up to 4 TB total capacity.

How do I confirm the ASpeed AST2600 video and dual Intel X710-AT2 10 Gbps LAN are active after assembly?

Connect a monitor to the D-Sub port and cables to the two RJ45 ports; the AST2600 will display POST output and the X710-AT2 links will show 10 Gbps activity LEDs.

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