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Green rectangular server motherboard with silver CPU socket, eight black memory slots, multiple silver PCIe slots

ASRock Rack

ASRock Rack GENOAD8X-2T/BCM server motherboard

SKU CH-YPRG-BY44M MPN GENOAD8X-2T/BCM

Single-socket SP5 board with eight DDR5 slots, seven PCIe 5.0 x16 slots, dual 10 GbE LAN and sixteen SATA ports

  • CPU Socket TypeSocket SP5
  • CPU TypeAMD EPYC 9004 Series / AMD EPYC 9005 Series
  • Number of Processor Support1
  • CPU FeaturesThermal Design Power: Up to 400W *A BIOS update is required
  • Memory Slots8 x DDR5 288-pin
  • Memory StandardDDR5 4800
  • Single-socket SP5 design supports AMD EPYC 9004 and 9005 processors up to 400W TDP
  • Eight DDR5 RDIMM slots deliver up to 512GB capacity per DIMM for large memory workloads
  • Seven PCIe 5.0 x16 slots plus one x8 slot enable high-density accelerator and networking configurations
  • Dual 10GbE Broadcom BCM57416 ports provide high-throughput server connectivity out of the box
  • Sixteen SATA 6Gb/s ports plus two M.2 slots offer flexible storage expansion for data-intensive applications

Single-socket SP5 server motherboard

The ASRock Rack GENOAD8X-2T/BCM is an EEB form-factor board built around the Socket SP5 platform for AMD EPYC 9004 and 9005 series processors. It accepts one CPU with a thermal design power of up to 400W and provides eight DDR5 288-pin DIMM slots running at DDR5 4800. Onboard video uses an ASPEED AST2600 controller with 512MB DDR4 memory.

Suited for dense compute and storage nodes

This board targets builders who need seven full-length PCIe 5.0 x16 slots, four of which also support CXL 2.0, plus one PCIe 5.0 x8 slot that shares lanes with the MCIO connectors. It also provides sixteen SATA 6.0Gb/s ports and two M.2 M-key slots for 22110 or 2280 drives. Buyers who require dual-socket scaling or integrated GPU compute beyond the AST2600 should look at alternative platforms.

Deciding spec: seven PCIe 5.0 x16 slots

The slot layout delivers SLOT0 through SLOT6, with SLOT0, SLOT2, SLOT4 and SLOT6 offering PCIe 5.0 / CXL 2.0 x16 while SLOT1, SLOT3 and SLOT5 run PCIe 5.0 x16. SLOT7 operates at PCIe 5.0 x8 but drops to x4 when an MCIO is enabled. This density of high-bandwidth slots determines whether the board fits a given accelerator or storage topology.

Highlights

  • Single-socket SP5 design supports AMD EPYC 9004 and 9005 processors up to 400W TDP
  • Eight DDR5 RDIMM slots deliver up to 512GB capacity per DIMM for large memory workloads
  • Seven PCIe 5.0 x16 slots plus one x8 slot enable high-density accelerator and networking configurations
  • Dual 10GbE Broadcom BCM57416 ports provide high-throughput server connectivity out of the box
  • Sixteen SATA 6Gb/s ports plus two M.2 slots offer flexible storage expansion for data-intensive applications

Specifications

BrandAsRock Rack
ModelGENOAD8X-2T/BCM
CPU Socket TypeSocket SP5
CPU TypeAMD EPYC 9004 Series / AMD EPYC 9005 Series
Number of Processor Support1
CPU FeaturesThermal Design Power: Up to 400W
*A BIOS update is required to support AMD EPYC 9005 series processors
Memory Slots8 x DDR5 288-pin
Memory StandardDDR5 4800
Maximum Memory SupportedMax. Capacity per DIMM
- RDIMM: 96GB (2R)
- RDIMM-3DS: 512GB (2S8Rx4)
RegisteredYes
PCI Express 5.0 x16SLOT6: PCIe5.0 / CXL2.0* x16
SLOT5: PCIe5.0 x16
SLOT4: PCIe5.0 / CXL2.0* x16
SLOT3: PCIe5.0 x16
SLOT2: PCIe5.0 / CXL2.0* x16
SLOT1**: PCIe5.0 x16
SLOT0: PCIe5.0 / CXL2.0* x16
*Supports CXL1.1 while installing AMD EPYC 9004 (with AMD 3D V-Cache Technology) and 97x4 series processors
**SLOT1 shared lanes with 1 MCIO and 1 M.2. SLOT1 auto-switch to PCIe5.0 x8 when either 1 MCIO or 1 M.2 populated.
PCI Express x8SLOT7***: PCIe5.0 x8
***SLOT7 share lanes with 2 MCIO. When SLOT7 occupied, 1 MCIO will not function and 1 MCIO can be enabled by jumper setting. When selecting 1 MCIO, SLOT7 will switch to PCIex4.
Other Slots2 MCIO*** (PCIe5.0 x4 or 4 SATA 6Gb/s)
1 MCIO (PCIe5.0 x4 or 4 SATA 6Gb/s)
1 MCIO** (PCIe5.0 x4)
SATA16 x SATA 6.0Gb/s
M.21 x M-key (PCIe5.0 x4 or 4 SATA 6Gb/s), supports 22110/2280 form factor
1 x M-key** (PCIe5.0 x4), supports 22110/2280 form factor
Onboard Video ChipsetASPEED AST2600 512MB DDR4
LAN ChipsetBroadcom BCM57416
LAN Speed10Gbps
Max LAN Speed2 x 10Gbps
Back I/O Ports1 x COM (Serial Port) / 1 x D-Sub / 2 x LAN (RJ45) / 2 x USB 3.2 Gen 1
Onboard USBUSB 3.2 (Gen1) Header: 1 (19-pin, 2 USB3.2 Gen1)
Other ConnectorsPower Connector: 1 (24-pin, ATX main power), 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
VGA header: 1
Speaker Header: 1 (4-pin)
Fan Header: 8 (6-pin)
Thermal Sensor Header: 1
TPM Header: 1 (13-pin, SPI)
SMBus header: 1
PMBus header: 1
IPMB Header: 1
Clear CMOS: 1 (contact pads)
NMI Header: 1
BIOS FeatureAMI UEFI BIOS; 256 Mb (32MB) SPI Flash ROM
ASRock Rack Instant Flash, ACPI 6.4 and above compliance wake up events, SMBIOS 3.5.0 and above, Plug and Play(PnP)
Form FactorEEB
Dimensions (W x L)12.63" x 13"
Shipping weight2.13 kg
Package size406 × 381 × 74 mm

Questions about this item

Does the PCIe 5.0 x16 slot run at full speed with an AMD EPYC 9004 processor?

Yes, SLOT1 through SLOT6 each operate at PCIe 5.0 x16 when a compatible EPYC 9004 or 9005 CPU is installed.

What chassis clearance does the EEB form factor require?

The board measures 12.63 inches by 13 inches, so the case must support the EEB footprint.

Is a BIOS update needed before installing an EPYC 9005 series CPU?

Yes, the firmware must be updated first; the board ships with support for EPYC 9004 processors only.

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