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Green ATX server board, silver LGA 4189 socket, eight black DDR4 slots, seven full-length PCIe slots, two M.2, twelve SATA

ASRock Rack

ASRock Rack SPC621D8-2T LGA 4189 ATX server motherboard

SKU CH-KNYQ-4Z57X MPN SPC621D8-2T

ATX server motherboard with LGA 4189 socket, eight DDR4-3200 DIMM slots, four PCIe 4.0 x16 slots, twelve SATA 6.0Gb/s ports, dual 10GbE Intel X710-AT2 LAN and IPMI remote management

  • ProcessorSupports 3rd Gen Intel Xeon Scalable processors
  • Form factorATX
  • CPU socketLGA 4189
  • Network speed10 Gbit/s
  • Supported CPU count1
  • ChipsetIntel C621A
  • 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 slots auto-switch to x8 when adjacent x8 slots are populated
  • Twelve SATA 6.0Gb/s ports with RAID 0/1/5/10 plus two M.2 slots for flexible storage
  • Dual 10GbE RJ45 ports driven by Intel X710-AT2 plus Aspeed AST2500 IPMI

Single-socket Xeon workstation board

The ASRock Rack SPC621D8-2T is an ATX motherboard for LGA 4189 Xeon Scalable processors. It targets builders who need server-class reliability in a standard desktop footprint. The board accepts one CPU and eight DDR4 3200 DIMMs in a one-per-channel layout.

Upgrade from proprietary or dual-socket platforms

Moving to this board makes sense when a project needs 10 GbE networking, twelve SATA 6.0 Gb/s ports and PCIe 4.0 expansion without a rackmount chassis. The jump is worth it if the workload fits a single processor and the memory capacity of eight slots.

Fits ATX cases with robust power delivery

The board needs an ATX chassis, a high-wattage EPS power supply and airflow for the C621A chipset heatsink. Four PCIe 4.0 x16 slots and three x8 slots free up space for GPU compute, storage controllers or networking cards. Dual M.2 sockets add boot or cache drives without using SATA ports.

How it compares

Measured against everything we stock in Server & Workstation Boards, at today’s prices. Recalculated every night.

Price $503.99
Pricier than about 81% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameAsRock Rack
Model nameSPC621D8-2T
Processor
ProcessorSupports 3rd Gen Intel Xeon Scalable processors
CPU socketLGA 4189
Supported CPU count1
ChipsetIntel C621A
Memory
DDR4 memory supportDDR4 3200
Storage
SATA ports12 x SATA 6.0Gb/s
SATA and RAID support0/1/5/10
M.2 slots1 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2242 form factor
1 M-key (PCIe3.0 x1 or SATA 6Gb/s), supports 22110/2280/2242 form factor
Graphics
Onboard video chipAspeed AST2500
Connectivity
Network speed10 Gbit/s
Ethernet controllerIntel X710-AT2
Maximum network speed10 Gbit/s
Ports & slots
Number of DDR4 slots8 DIMM slots (1DPC)
PCIe 4.0 x16 slotsSLOT7: PCIe4.0 x16*
SLOT5: PCIe4.0 x16*
SLOT3: PCIe4.0 x16*
SLOT1: PCIe4.0 x16
* SLOT7/5/3 auto-switch to PCIe4.0 x8 when SLOT6/4/2 occupied
Rear panel ports1 DB15, 4 Type-A (USB3.2 Gen1), 2 RJ45 (10GbE)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.63 kg
Package size353 × 300 × 70 mm
More details
PCI express x8SLOT6: PCIe4.0 x8
SLOT4: PCIe4.0 x8
SLOT2: PCIe4.0 x8

Questions about this item

What case and mounting pattern does the ATX 12" x 9.6" board require?

A standard ATX chassis with the 12-inch by 9.6-inch mounting hole layout fits this board.

Which CPU power connectors must be seated for a 3rd Gen Xeon in the LGA 4189 socket?

Both 8-pin EPS12V connectors near the socket need firm insertion; missing either one prevents POST.

When should the two M.2 modules (2242, 2280 or 22110) be reseated or swapped?

Reseat if the BIOS stops detecting the drive; replace when SMART health drops below the vendor threshold.

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