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Green rectangular server motherboard with two large silver CPU sockets and sixteen black DDR5 memory slots

Supermicro

Supermicro MBD-X13DAI-T-O server motherboard, dual LGA-4677, 16 DDR5 slots, dual 10G LAN, 4 NVMe 5.0

SKU CH-B890-412G7 MPN MBD-X13DAI-T-O

Dual-socket server board with 16 DDR5 slots, dual 10G LAN and four PCIe 5.0 NVMe ports

  • Dual Xeon CPUs scale heavy workloads with up to 350W TDP each
  • 16 DDR5 slots deliver 5600 MT/s bandwidth for memory-intensive tasks
  • 4 NVMe 5.0 lanes via MCIO connectors accelerate storage throughput
  • Broadcom 57416 dual 10G LAN ports handle high-speed networking
  • Intel C741 chipset with CXL support enables coherent memory expansion

Dual-socket Xeon server board

The Supermicro MBD-X13DAI-T-O is a dual LGA-4677 motherboard built for 5th and 4th generation Intel Xeon Scalable processors. It targets data-centre deployments that need two CPUs and large memory capacity in a single system. Each socket supports up to 350W TDP, so cooling must handle high thermal loads.

Sixteen DDR5 slots for 4TB capacity

The board provides 16 DIMM slots accepting 3DS ECC RDIMMs running at 5600MT/s in a one-DIMM-per-channel configuration. This layout allows up to 4TB of registered memory, which is the deciding factor for workloads that require extreme memory density per node.

MCIO NVMe connectors need matching cables

Four NVMe 5.0 x4 devices attach through two MCIO connectors rather than onboard M.2 slots, so you must source compatible MCIO-to-U.2 or MCIO-to-M.2 cables. The dual 10G LAN ports use a Broadcom BCM57416 controller, and two SATA DOM ports are available for boot devices.

Highlights

  • Dual Xeon CPUs scale heavy workloads with up to 350W TDP each
  • 16 DDR5 slots deliver 5600 MT/s bandwidth for memory-intensive tasks
  • 4 NVMe 5.0 lanes via MCIO connectors accelerate storage throughput
  • Broadcom 57416 dual 10G LAN ports handle high-speed networking
  • Intel C741 chipset with CXL support enables coherent memory expansion

Specifications

No published specifications for this item yet.

Questions about this item

How much memory can the 16 DDR5 slots actually hold when the board is populated?

The board supports up to 4 TB of 3DS ECC RDIMM DDR5 running at 5600 MT/s with one DIMM per channel.

What throughput limit does the dual 10G LAN impose on real traffic?

Each port is driven by a Broadcom BCM57416 controller and caps at 10 Gb/s per port.

What physical space do the four NVMe 5.0 drives need on this motherboard?

They connect through two MCIO connectors, each carrying two PCIe 5.0 x4 lanes for direct NVMe attachment.

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