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  6. Item#: N82E16813183806

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SUPERMICRO MBD-X12STH-LN4F-O Micro ATX Workstation Motherboard LGA 1200 Intel C256

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  • Intel® Xeon® E-2300 Processor, 10th Generation Intel® Pentium® Processor, Single Socket LGA-1200 (Socket H5) supported, CPU supports Up to 95W TDP
  • Intel® C256
  • Up to 128GB ECC UDIMM, DDR4-3200MHz, in 4 DIMM slots
  • 1 PCI-E 4.0 x16
  • 1 PCI-E 4.0 x4 (in x8 slot)
  • 1 PCI-E 3.0 x4 (in x8 slot)
  • M.2 Interface: PCI-E 3.0 x4
  • M.2 Form Factor: 2280, 22110
  • M.2 Key: M-Key
  • Quad LAN with Intel® Ethernet Controller I210
  • Intel® C256 controller for 8 SATA3 (6 Gbps) ports; RAID 0,1,5,10
  • 2 SuperDOM with built-in power
  • I/O: 1 VGA, 2 COM, 1 TPM header
  • 5x USB 3.2 Gen1 (2 rear, 1 Type-A, 2 via header), 6x USB 2.0 (2 rear, 4 via headers)
  • Gen12 iGPU support
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Learn more about the Supermicro MBD-X12STH-LN4F-O

Model
Brand SUPERMICRO
Model MBD-X12STH-LN4F-O
Supported CPU
CPU Socket Type LGA 1200
CPU Type Supports:
10th Gen Intel Pentium Processor
Intel Xeon E-2300 Processor
Number of Processor Support 1
Chipsets
North Bridge Intel C256
Memory
Number of DDR4 Slots 4 x 288-pin
DDR4 Standard DDR4 3200
Maximum Memory Supported 128GB
ECC Supported Yes
Expansion Slots
PCI Express 4.0 x16 1
PCI Express x4 1 x PCI-E 3.0 x4 (in x8 slot)
1 x PCI-E 4.0 x4 (in x8 slot)
Storage Devices
SATA 8 x SATA 6.0Gb/s
M.2 M.2 Interface: 1 PCI-E 3.0 x4
Form Factor: 2280/22110
Key: M-Key
Onboard Video
Onboard Video Chipset ASPEED AST2600 BMC
Onboard LAN
LAN Chipset Intel I210
LAN Speed 10/100/1000Mbps
Max LAN Speed 1Gbps
Rear Panel Ports
Back I/O Ports 4 RJ45 Gigabit Ethernet LAN ports
6 USB 2.0 port(s) (4 via header; 2 rear)
5 USB 3.2 Gen1 port(s) (2 via header; 2 rear; 1 type A)
1 VGA port(s)
2 COM Port(s) (1 header; 1 rear)
Dimensions
Form Factor Micro ATX
Dimensions (W x L) 9.6" x 9.6"
Additional Information
First Listed on Newegg July 06, 2022

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

    We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

  • Return for refund until: January 31, 2027
  • Return for replacement until: January 31, 2027
  • This item is covered by Newegg.com's Extended Holiday Return Policy.
  • Read full return policy for details.

Manufacturer Contact Info

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The SUPERMICRO MBD-X12STH-LN4F-O is a Micro-ATX server motherboard for single-socket LGA 1200 Intel Xeon E-2300 or 10th Gen Pentium builds, with support for up to 128GB of ECC DDR4-3200 memory and four Gigabit Ethernet ports. It suits compact servers and workstations that need memory reliability and multiple network connections.

Recommended For

  • Home-lab and small-business builders who want a single-socket server for virtualization, network services, or several always-on workloads, with ECC memory support and remote-management hardware.
  • NAS and file-server builders who need multiple onboard SATA connections, ECC UDIMM support, and room for storage or add-in-controller expansion in a Micro ATX system.
  • Firewall, router, or network-lab builders who can use four onboard 1GbE ports for separate interfaces and want to keep PCIe slots available for other cards.
  • Workstation builders running compatible Xeon E-2300 or 10th-generation Pentium processors who need ECC memory and server-oriented I/O more than a consumer-focused feature set.

Spec Summary

AttributeValue
Best ForSingle-processor server or workstation builds using a supported Intel Xeon E-2300 or 10th Gen Intel Pentium processor, with ECC memory support
Processor And PlatformSingle LGA 1200 socket for Intel Xeon E-2300 and 10th Gen Intel Pentium processors, based on the Intel C256 chipset
Memory ConfigurationFour 288-pin DDR4 slots support up to 128GB of DDR4-3200 ECC memory
Expansion SlotsThree PCIe slots: one PCIe 4.0 x16, one PCIe 4.0 x4 in an x8 slot, and one PCIe 3.0 x4 in an x8 slot
Storage And ExpansionEight SATA 6Gb/s ports and one M.2 PCIe 3.0 x4 slot supporting 2280 and 22110 drives with an M-key
Wired NetworkingFour Gigabit Ethernet ports using Intel I210 controllers, with speeds up to 1Gbps
USB And Rear I/OUSB connectivity includes five USB 3.2 Gen1 ports and six USB 2.0 ports, with rear and header connections; also includes one VGA port and two COM ports, one rear and one header
Onboard VideoASPEED AST2600 BMC onboard video chipset
Board Format And PowerMicro ATX board measuring 9.6 × 9.6 inches, with a 24-pin main power connector
Model IdentifiersSUPERMICRO MBD-X12STH-LN4F-O