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Green rectangular server motherboard with dual LGA 4677 sockets and sixteen DDR5 memory slots

Supermicro

Supermicro MBD-X13DEI-O dual-socket server motherboard

SKU CH-NDN9-88H7J MPN MBD-X13DEI-O

Dual LGA 4677 server board with Intel C741 chipset, 16 DDR5 288-pin slots for up to 4 TB ECC RDIMM, four PCIe 5.0 x16, two PCIe 4.0 x16 and two PCIe x8 slots, supporting CPUs up to 350 W TDP

  • CPU socketLGA 4677
  • Supported CPU count2
  • Other chipsetIntel C741
  • DDR standardUp to 4 TB 3DS ECC RDIMM, DDR5 4800MT/s(1DPC) in 16 DIMM slo
  • RAM slots16 x DDR5 288-pin
  • Max supported RAM4 TB
  • Dual LGA-4677 sockets enable two 4th Gen Intel Xeon Scalable processors
  • Intel C741 chipset provides up to four PCIe 5.0 x16 and two PCIe 4.0 x16 slots
  • 16 DDR5 288-pin DIMM slots support up to 4TB 3DS ECC RDIMM at 4800MT/s
  • CPU TDP support up to 350W with CXL capability
  • New server motherboard built for high-density compute workloads

Dual-socket DDR5 server motherboard

The Supermicro MBD-X13DEI-O is a dual-socket server motherboard built for the LGA 4677 platform. It accepts two processors and provides 16 DDR5 memory slots supporting up to 4TB of 3DS ECC RDIMM at 4800MT/s. The Intel C741 chipset manages I/O across multiple PCI Express 5.0 and 4.0 lanes.

Suits multi-processor compute

This board fits deployments that need two CPUs and very large ECC memory capacity, such as virtualisation hosts, database servers or high-performance compute nodes. It is not for single-socket chassis, for builds that cannot accommodate 16 DIMM slots, or for systems that require a different socket or memory type.

LGA 4677 dual-socket requirement

The decisive specification is the dual LGA 4677 socket arrangement combined with 16 DDR5 slots and the Intel C741 chipset. Only processors compatible with this socket and chipset will operate, and the full 4TB memory ceiling requires populating all slots with supported 3DS ECC RDIMM modules.

How it compares

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

Price $692.99
Pricier than about 90% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameSUPERMICRO
Model nameMBD-X13DEI-O
Part numberMBD-X13DEI-O
Processor
CPU socketLGA 4677
Supported CPU count2
Memory
RAM slots16 x DDR5 288-pin
Max supported RAM4 TB
ECC supportYes
Ports & slots
PCIe 5.0 x16 slots4
PCIe 4.0 x16 slots2
Size & build
Shipping weight2.16 kg
Package size432 × 330 × 89 mm
More details
Other chipsetIntel C741
DDR standardUp to 4 TB 3DS ECC RDIMM, DDR5 4800MT/s(1DPC) in 16 DIMM slots.
PCI express x82 x PCI Express x8

Questions about this item

What comes in the box and do I need to buy processors or memory separately?

The motherboard ships as a bare board; two LGA 4677 Xeon processors and DDR5 288-pin ECC RDIMM modules must be purchased separately.

How do I choose between the PCIe 5.0 x16 and 4.0 x16 slots for my add-in cards?

Four slots run at PCIe 5.0 x16 and two at 4.0 x16; install the highest-bandwidth cards in the 5.0 slots and use the 4.0 slots for remaining devices.

What does the 4800 MT/s DDR5 rating mean once the board is populated?

With one DIMM per channel the memory runs at 4800 MT/s; filling additional slots per channel will reduce the operating speed.

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