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Green Micro ATX server motherboard with silver LGA 1200 socket, four black DDR4 slots, silver PCIe slots, six blue SATA ports

Supermicro

Supermicro MBD-X12STL-F-O server motherboard LGA 1200 128GB DDR4 3200

SKU CH-3NE5-303ZB MPN MBD-X12STL-F-O

Micro ATX server board with LGA 1200 socket, four DDR4-3200 slots for up to 128 GB ECC, one PCIe 4.0 x16, one M.2 2280/22110, six SATA 6.0 Gb/s and dual 1 GbE LAN

  • ProcessorSupports 10th Generation Intel Pentium Processor, Intel Xeon
  • Form factorMicro ATX
  • CPU socketLGA 1200
  • Network speed10/100/1000 Mbit/s
  • Supported CPU count1
  • ChipsetIntel C252
  • Supports 128 GB DDR4-3200 ECC memory for data integrity
  • Intel Xeon E-2300 and 10th Gen Pentium CPUs up to 95 W TDP
  • PCIe 4.0 x16 plus x8 and x4 slots for modern expansion
  • Dual 1 GbE Intel I210 LAN with BMC remote management via ASPEED AST2600
  • Micro ATX 9.6" form factor fits compact server chassis

Micro ATX server board for Xeon E-2300

The Supermicro MBD-X12STL-F-O is a Micro ATX motherboard built for single-socket Intel Xeon E-2300 and 10th Generation Pentium processors up to 95W TDP. It targets small-form-factor servers, edge appliances and workstations that need ECC memory and remote management in a 9.6-inch square footprint.

Verify CPU cooler clearance and power headers

Confirm your chassis accepts a 9.6 by 9.6 inch Micro ATX board and provides adequate airflow for a 95W TDP processor. Ensure the power supply delivers the required EPS 12V connector and that your chosen cooler fits the LGA 1200 retention mechanism without blocking the four DDR4 slots or the PCIe 4.0 x16 slot.

ASPEED BMC and dual 1GbE change remote ops

The onboard ASPEED AST2600 BMC with dedicated VGA and COM ports enables full KVM-over-IP and serial console access without a discrete GPU. Dual Intel I210 1GbE ports provide redundant management and data paths, while the single M.2 2280/22110 M-Key slot and six SATA 6.0Gb/s ports handle boot and storage drives.

How it compares

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

Price $239.99
Typical for this category: the median of 776 items is $254.49.

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Specifications

Product
Brand nameSUPERMICRO
Model nameMBD-X12STL-F-O
Processor
ProcessorSupports 10th Generation Intel Pentium Processor, Intel Xeon E-2300 Processor
CPU socketLGA 1200
Supported CPU count1
ChipsetIntel C252
Memory
DDR4 memory supportDDR4 3200
Max supported RAM128 GB
ECC supportYes
Storage
SATA ports6 x SATA 6.0Gb/s
M.2 slotsInterface: 1 PCI-E 3.0 x4
Form Factor: 2280/22110
Key: M-Key
Graphics
Onboard video chipASPEED AST2600 BMC
Connectivity
Network speed10/100/1000 Mbit/s
Ethernet controllerIntel I210
Maximum network speed1 Gbit/s
Ports & slots
Number of DDR4 slots4 × 288-pin
PCIe 4.0 x16 slots1
PCIe x4 slots1 x PCI-E 3.0 x2 (in x4 slot)
Rear panel ports2 1GbE LAN ports
4 USB 2.0 port(s) (2 rear; 2 via header)
5 USB 3.2 Gen1 port(s) (2 via header; 2 rear; 1 type A)
1 VGA D-Sub Connector port(s)
2 COM Port(s) (1 header; 1 rear)
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Shipping weight0.98 kg
Package size283 × 277 × 61 mm
More details
PCI express x81 x PCI Express 4.0 x8
1 x PCI Express 4.0 x4 (in x8 Slot)

Questions about this item

What comes in the box with the MBD-X12STL-F-O and what must I buy separately?

The motherboard includes the I/O shield and standard headers. You must purchase a supported LGA 1200 processor, DDR4 3200 ECC UDIMMs, storage drives and a Micro ATX case with a suitable power supply.

Which memory capacity should I choose for the four DDR4 3200 slots with 128GB maximum?

Fill all four 288-pin slots with 32GB modules to reach the 128GB limit, or use smaller ECC UDIMMs for lower totals. The board only accepts DDR4 3200 unbuffered ECC memory.

What does the single PCIe 4.0 x16 slot deliver when a GPU or accelerator is installed?

The slot runs at PCIe 4.0 x16 electrically, providing up to 32GB/s bidirectional bandwidth for compatible add-in cards such as GPUs, compute accelerators or high-speed NICs.

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