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Green Micro ATX server motherboard with silver heatsinks and black expansion slots

ASRock Rack

ASRock Rack SPC621D8U-2T server motherboard

SKU CH-SWBE-MSX6T MPN SPC621D8U-2T

Micro ATX board for a single LGA 4189 Xeon with eight DDR4 3200 DIMM slots, four PCIe 4.0 x16 slots, eleven SATA 6.0Gb/s ports, dual 10GbE and IPMI

  • CPU Socket TypeLGA 4189
  • CPU TypeSupports 3rd Gen Intel Xeon Scalable processors
  • Number of Processor Support1
  • North BridgeIntel C621A
  • Number of DDR4 Slots8 DIMM slots (1DPC)
  • DDR4 StandardDDR4 3200
  • Supports 3rd Gen Intel Xeon Scalable processors via LGA 4189 socket
  • Eight DDR4 3200 DIMM slots in 1DPC layout for high memory capacity
  • Four PCIe 4.0 x16 expansion slots for accelerator or networking cards
  • Dual 10GbE RJ45 ports driven by Intel X710-AT2 controller
  • Eleven SATA 6.0Gb/s ports with RAID 0, 1, 5, 10 support

Micro-ATX Xeon server board

The ASRock Rack SPC621D8U-2T is a Micro-ATX motherboard built for single-socket servers using 3rd Gen Intel Xeon Scalable processors in an LGA 4189 socket. It runs on the Intel C621A chipset and fits a standard 9.6 by 9.6 inch footprint.

Suits dense storage and 10GbE needs

This board suits builders who need eleven SATA 6.0Gb/s ports with RAID 0, 1, 5, 10 and a single M.2 2280 slot that accepts PCIe 3.0 x4 or SATA drives. Dual 10GbE ports from the Intel X710-AT2 handle high-throughput networking. Buyers who need more than one processor or more than one M.2 device should look elsewhere.

Four PCIe 4.0 x16 slots for expansion

Four full-length PCIe 4.0 x16 slots provide room for GPU compute, storage controllers or networking cards. Eight DDR4 3200 DIMM slots support RDIMM, LRDIMM and 3DS modules plus Intel Optane persistent memory. The Aspeed AST2500 handles IPMI remote management and video output through a DB15 port. A 4-pin HDD power connector is included for 12V DC-in configurations.

Highlights

  • Supports 3rd Gen Intel Xeon Scalable processors via LGA 4189 socket
  • Eight DDR4 3200 DIMM slots in 1DPC layout for high memory capacity
  • Four PCIe 4.0 x16 expansion slots for accelerator or networking cards
  • Dual 10GbE RJ45 ports driven by Intel X710-AT2 controller
  • Eleven SATA 6.0Gb/s ports with RAID 0, 1, 5, 10 support

Specifications

BrandAsRock Rack
ModelSPC621D8U-2T
CPU Socket TypeLGA 4189
CPU TypeSupports 3rd Gen Intel Xeon Scalable processors
Number of Processor Support1
North BridgeIntel C621A
Number of DDR4 Slots8 DIMM slots (1DPC)
DDR4 StandardDDR4 3200
PCI Express 4.0 x16SLOT7: PCIe4.0 x16
SLOT6: PCIe4.0 x16
SLOT5: PCIe4.0 x16
SLOT4: PCIe4.0 x16
SATA11 x SATA 6.0Gb/s
SATA RAID0/1/5/10
M.21 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 2280 form factor
Onboard Video ChipsetAspeed AST2500
LAN ChipsetIntel X710-AT2
LAN Speed10Gbps
Max LAN Speed10Gbps
Back I/O Ports1 DB15, 2 Type-A (USB3.2 Gen1), 2 RJ45 (10GbE)
Other ConnectorsInternal Connector/Headers
Other Power Connectors: 1 (4-pin) for HDD power when using 12V DC-in power source
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
Fan Header: 4 (4-pin)
TPM Header: 1 (17-pin, LPC), 1 (13-pin, SPI)
VROC header: 1
HSBP: 1
SMBus header: 1
PMB header: 1
IPMB Header: 1
Clear CMOS: 1 (contact pads)
USB 3.2 (Gen1) Header: 1 (19-pin, 2 USB3.2 Gen1)
NMI Header: 1
Power Connector: 1 (4-pin, ATX PSU signal
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Shipping weight0.72 kg
Package size307 × 284 × 76 mm

Questions about this item

What CPU socket and generation does the SPC621D8U-2T require?

The board uses the LGA 4189 socket and supports 3rd Gen Intel Xeon Scalable processors, with a single CPU configuration.

Will the four PCIe 4.0 x16 slots and the M.2 slot work with older PCIe 3.0 cards and SATA M.2 drives?

Yes, the PCIe 4.0 x16 slots are backward compatible with PCIe 3.0 cards, and the M-key M.2 slot accepts both PCIe 3.0 x4 and SATA 6Gb/s 2280 drives.

How can I confirm the board is operating correctly after assembly?

Check the Aspeed AST2500 IPMI interface for system health, verify the Intel X710-AT2 10GbE ports show link activity, and confirm the system panel LEDs indicate power and drive status.

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