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Supermicro MBD-X12SPA-TF-B Extended ATX server motherboard, black PCB, silver sockets, 16 DDR4 slots, LGA 4189 socket

Supermicro

Supermicro MBD-X12SPA-TF-B server motherboard LGA 4189 Intel C621A 16 DDR4 3200

SKU CH-KNAW-EMP46 MPN MBD-X12SPA-TF-B

Extended ATX server board with LGA 4189 socket, Intel C621A chipset, 16 DDR4 3200 slots supporting up to 4 TB ECC memory, four PCIe 4.0 x16 slots, eight SATA 6.0 Gb/s ports with RAID 0/1/5/10.

  • CPU Socket TypeLGA 4189
  • CPU TypeSupports 3rd Gen Intel Xeon Scalable processors, Intel Xeon
  • North BridgeIntel C621A
  • Number of DDR4 Slots16 x 288-pin
  • DDR4 StandardDDR4 3200
  • Maximum Memory SupportedUp to 4TB 3DS ECC LRDIMM, DDR4-3200MHz; Up to 4TB 3DS ECC RD
  • Supports 3rd Gen Intel Xeon Scalable processors via LGA 4189 socket
  • 16 DDR4 3200 slots enable up to 4 TB ECC memory capacity
  • Four PCIe 4.0 x16 plus three PCIe 4.0 x8 slots for high-bandwidth expansion
  • Eight SATA 6.0 Gb/s ports with RAID 0/1/5/10 plus four M.2 PCIe 4.0 x4 interfaces
  • Triple 1 GbE LAN (Intel, Realtek, Marvell) plus Aspeed AST2500 remote management video

LGA 4189 server motherboard with 16 DDR4 slots

The Supermicro MBD-X12SPA-TF-B is an Extended ATX server motherboard built around the Intel C621A chipset. It accepts 3rd Gen Intel Xeon Scalable processors and Intel Xeon W-3300 processors in an LGA 4189 socket. Sixteen 288-pin slots support DDR4-3200 memory with ECC, scaling up to 4 TB using 3DS LRDIMM or RDIMM modules. The board ships in bulk packaging.

Suited for high-core-count compute and dense memory

This platform suits builders assembling multi-socket servers, render farms or database nodes that need maximum core density and large memory capacity. Four PCIe 4.0 x16 slots and three additional PCIe 4.0 x8 lanes provide extensive add-in card bandwidth. Eight SATA 6.0 Gb/s ports with RAID 0, 1, 5, 10 and four M.2 PCIe 4.0 x4 interfaces cover local storage needs. Buyers who require a smaller form factor or fewer memory channels should evaluate alternative platforms.

16 DDR4-3200 slots enabling 4 TB ECC memory

The decisive specification is the sixteen DDR4-3200 slots that allow up to 4 TB of 3DS ECC LRDIMM or RDIMM capacity. This density determines whether the board fits workloads such as in-memory databases, virtualisation hosts or scientific computing. Confirm that the chosen processor and memory kit match the 3DS ECC requirement before purchase.

Pontos fortes

  • Supports 3rd Gen Intel Xeon Scalable processors via LGA 4189 socket
  • 16 DDR4 3200 slots enable up to 4 TB ECC memory capacity
  • Four PCIe 4.0 x16 plus three PCIe 4.0 x8 slots for high-bandwidth expansion
  • Eight SATA 6.0 Gb/s ports with RAID 0/1/5/10 plus four M.2 PCIe 4.0 x4 interfaces
  • Triple 1 GbE LAN (Intel, Realtek, Marvell) plus Aspeed AST2500 remote management video

Especificações

BrandSUPERMICRO
ModelMBD-X12SPA-TF-B
CPU Socket TypeLGA 4189
CPU TypeSupports 3rd Gen Intel Xeon Scalable processors, Intel Xeon W-3300 Processor
North BridgeIntel C621A
Number of DDR4 Slots16 x 288-pin
DDR4 StandardDDR4 3200
Maximum Memory SupportedUp to 4TB 3DS ECC LRDIMM, DDR4-3200MHz; Up to 4TB 3DS ECC RDIMM, DDR4-3200MHz
ECC SupportedYes
PCI Express 4.0 x164
PCI Express x83 x PCI Express 4.0 x8 (in x16 slot)
SATA8 x SATA 6.0Gb/s
SATA RAID0/1/5/10
M.2M.2 Interface: 4 PCI-E 4.0 x4
Onboard Video ChipsetAspeed AST2500
LAN ChipsetIntel I210-AT
LAN Speed10/100/1000Mbps
Second LAN ChipsetRealtek RTL8211F PHY
Second LAN Speed10/100/1000Mbps
Third LAN ChipsetMarvell AQC113
Third LAN Speed10/100/1000Mbps
Max LAN Speed1Gbps
Back I/O Ports1 x COM (Serial Port) / 1 x D-Sub / 1 x USB 3.2 Gen 2 Type-C / 1 x USB 3.2 Gen 2x2 Type-C / 2 x USB 2.0/1.1 / 3 x LAN (RJ45) / 4 x USB 3.2 Gen 1
Form FactorExtended ATX
Dimensions (W x L)12" x 13"
Peso de envio1.84 kg
Dimensões da embalagem457 × 337 × 89 mm

Perguntas sobre este artigo

How do I install a 3rd Gen Intel Xeon Scalable processor into the LGA 4189 socket and what is the common alignment mistake?

Align the two notches on the processor with the socket keys, lower it straight down without tilting, then close the load plate and secure the lever; the step often missed is verifying both notches match before applying pressure.

What components on the MBD-X12SPA-TF-B will need replacement after extended operation?

The Aspeed AST2500 BMC firmware should be updated periodically, and the four system fan headers should be checked for dust buildup that can reduce cooling efficiency over time.

Which limit appears first when all sixteen DDR4-3200 slots are populated under sustained load?

The memory controller on the Intel C621A chipset may throttle speeds below 3200 MHz when all 16 DIMM slots are filled with 3DS ECC modules during continuous heavy workloads.

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