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Green E-ATX server board with dual LGA 3647 sockets and sixteen DDR4 DIMM slots

Supermicro

Supermicro MBD-X11DPI-N-B server motherboard, dual LGA 3647, C621, 16 DIMM slots, E-ATX

SKU CH-XZ8E-NBK56 MPN MBD-X11DPI-N-B

Dual-socket E-ATX board with 16 DDR4 slots supporting up to 2 TB ECC memory, 14 SATA 6.0 Gb/s ports, four PCIe 3.0 x16 and two x8 slots, plus dual Gigabit LAN

  • ProcessorSupports 2nd Gen Intel Xeon Scalable Processors and Intel Xe
  • Form factorExtended ATX
  • CPU socketDual LGA 3647
  • ChipsetIntel C621
  • DDR4 memory support2666 / 2400 / 2133 MHz ECC DDR4 RDIMM, LRDIMM
  • Max supported RAMUp to 2 TB 3DS ECC RDIMM, DDR4-2666 MHz; Up to 2 TB 3DS ECC

Model Dual LAN with GbE

  • Dual LGA 3647 sockets scale compute for heavy workloads
  • 16 DDR4 slots support up to 2 TB ECC memory for large datasets
  • Four PCIe 3.0 x16 slots enable multiple GPU or accelerator cards
  • Fourteen SATA 6.0 Gb/s ports provide high-density local storage
  • Dual Gigabit LAN from C621 ensures redundant network connectivity

Dual LGA 3647 server platform

The Supermicro MBD-X11DPI-N-B is an extended ATX motherboard built for dual-socket Intel Xeon Scalable processors. It targets operators who need high core counts and large memory capacity in a single chassis. Two sockets support up to 205 W TDP each with dual UPI links at 10.4 GT/s.

Fits dense compute and memory-heavy workloads

This board suits virtualisation hosts, database servers and HPC clusters that can use 16 DIMM slots and 14 SATA ports. It is not for builds that require a single-socket design, standard ATX dimensions, or more than two GbE ports without add-in cards. The form factor demands an E-ATX compatible case.

16 DDR4 slots scale to 2 TB

Sixteen slots accept ECC RDIMM or LRDIMM modules at 2666, 2400 or 2133 MHz, reaching 2 TB with 3DS parts. The C621 chipset provides four PCI-E 3.0 x16 slots, two x8 slots and dual Gigabit LAN from the PCH. Onboard Aspeed AST2500 handles video and management.

How it compares

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

Price $472.99
Pricier than about 78% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameSUPERMICRO
Model nameMBD-X11DPI-N-B
Processor
ProcessorSupports 2nd Gen Intel Xeon Scalable Processors and Intel Xeon Scalable Processors
CPU socketDual LGA 3647
ChipsetIntel C621
Memory
DDR4 memory support2666 / 2400 / 2133 MHz ECC DDR4 RDIMM, LRDIMM
Max supported RAMUp to 2 TB 3DS ECC RDIMM, DDR4-2666 MHz; Up to 2 TB 3DS ECC LRDIMM, in 16 DIMM slots
Storage
SATA ports14 x SATA 6.0Gb/s
Graphics
Onboard video chipAspeed AST2500
Connectivity
Number of LANDual LAN with GbE from C621
Ports & slots
PCIe 3.0 x16 slots4
Serial ports1
Ethernet port2 x RJ45 Gigabit Ethernet LAN ports
USB 2.0 ports2 x USB 2.0
USB 3.0 ports2 x USB 3.0
Size & build
Form factorExtended ATX
Width and length12.0 in × 13.0 in
Shipping weight2.25 kg
Package size610 × 406 × 102 mm
More details
PCI express x82 x PCI-E 3.0 x8

Other versions of this model

1 more in the same range

Questions about this item

Which DDR4 memory types and speeds does the MBD-X11DPI-N-B support for its 16 DIMM slots?

The board accepts ECC RDIMM and LRDIMM modules at 2666, 2400 or 2133 MHz, with a maximum capacity of 2 TB using 3DS RDIMM or 3DS LRDIMM.

Can I keep my existing PCIe 3.0 x16 and x8 add-in cards when moving to this motherboard?

Yes, the board provides four PCIe 3.0 x16 slots and two PCIe 3.0 x8 slots, so current PCIe 3.0 cards will fit and operate at their native speeds.

How can I confirm the dual Gigabit LAN ports are active after installation?

Connect network cables to the two RJ45 ports; link LEDs on each port will light when a live connection is detected, and the OS will list two Gigabit Ethernet adapters.

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