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Green rectangular ATX server motherboard with silver LGA 3647 socket, eight black DIMM slots, multiple PCIe slots, two RJ45 ports

Supermicro

Supermicro MBD-X11SPL-F-B server motherboard LGA 3647 Intel C621

SKU CH-J8VF-BE923 MPN MBD-X11SPL-F-B

Single-socket LGA 3647 ATX board with Intel C621 chipset, eight DDR4 slots, eight SATA ports, dual gigabit LAN and seven PCIe slots

  • Processor2nd Generation Intel Xeon Scalable Processors (Cascade Lake-
  • Form factorATX
  • CPU socketLGA 3647
  • ChipsetIntel C621
  • PCI express x82 x PCI-E 3.0 x8 (in x16 slot), 4 x PCI-E 3.0 x8
  • PCIe x4 slots1 x PCI-E 3.0 x4 (in x8 slot)
  • Supports single Intel Xeon Scalable processor up to 165W TDP
  • Eight DDR4 slots accept up to 2TB 3DS ECC memory at 2933 MHz
  • Eight SATA 6.0Gb/s ports with RAID 0, 1, 5, 10 support
  • Dual Gigabit Ethernet plus dedicated Aspeed AST2500 BMC for remote management
  • Seven PCIe 3.0 expansion slots including two x16 physical and one x4 in x8 slot

Server motherboard for single-socket Xeon

The Supermicro MBD-X11SPL-F-B is an ATX server motherboard built around the Intel C621 chipset and the LGA 3647 socket. It accepts one 2nd Generation Intel Xeon Scalable processor or an Intel Xeon Scalable processor with a TDP up to 165W. The board targets system integrators and IT teams building rack-mounted or tower servers that need high core counts and ECC memory reliability.

Eight DDR4 slots and seven PCIe lanes

Eight memory slots support up to 1 TB of DDR4-2933 3DS ECC RDIMM or LRDIMM capacity. Seven PCI Express 3.0 expansion slots provide two x8 in x16 form factor, four additional x8, and one x4 in an x8 slot. Onboard storage includes eight SATA 6.0 Gb/s ports with RAID 0, 1, 5, 10, plus one M.2 interface. Dual Gigabit Ethernet, two USB 3.0, two USB 2.0, a COM port and Aspeed AST2500 BMC video round out the I/O.

ATX form factor fits listed Supermicro chassis

The 12.0" x 9.6" ATX layout drops into compatible Supermicro chassis such as the SC813MFTQC-350CB2, SC813MFTQC-R407CB, SC113MFAC2-341CB, SC113MFAC2-R606CB, SC512F-350B, SC823TQ-653LPB, SC213LT-600LPB, SC825TQC-R740LPB, SC833T-653B and SC213LT-600LPB. Builders must verify CPU cooler clearance for the 165 W TDP limit and ensure the power supply delivers the required EPS connectors. Bulk packaging means no retail accessories are included.

How it compares

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

Price $327.99
Pricier than about 64% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameSUPERMICRO
Model nameMBD-X11SPL-F-B
Processor
Processor2nd Generation Intel Xeon Scalable Processors (Cascade Lake-SP), Intel Xeon Scalable Processors.
Single Socket P (LGA 3647) supported, CPU TDP support 165 W
CPU socketLGA 3647
ChipsetIntel C621
Storage
SATA ports8 x SATA 6.0Gb/s
SATA and RAID support0/1/5/10
Graphics
Onboard video chipAspeed AST2500 BMC
Ports & slots
PCIe x4 slots1 x PCI-E 3.0 x4 (in x8 slot)
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 factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.36 kg
Package size356 × 279 × 76 mm
More details
PCI express x82 x PCI-E 3.0 x8 (in x16 slot), 4 x PCI-E 3.0 x8

Questions about this item

Will the Aspeed AST2500 BMC chip on this board need a firmware update or replacement during its service life?

The Aspeed AST2500 BMC handles remote management and video output; firmware updates are applied through the BMC web interface when Supermicro releases them, and the chip itself is soldered to the board.

What thermal limit appears first when a 165 W Xeon runs continuously at full load on this motherboard?

The board is rated for CPUs up to 165 W TDP; sustained full-load operation will hit the processor thermal ceiling before any onboard component reaches its limit.

How much power does the MBD-X11SPL-F-B draw at the wall when it runs all day with a 165 W processor and full memory population?

Total system draw depends on the specific Xeon model, memory kit, add-in cards and chassis fans; the motherboard itself contributes only a small fraction of the 165 W CPU envelope.

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