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Green M-ATX server motherboard with dual LGA2011-3 sockets, four DIMM slots, PCIe x16 and two x1 slots, four SATA ports

WMtec

WMtec X99-8M Dual Xeon LGA2011-3 DDR4 M-ATX server motherboard

SKU CH-HRXR-5R0MJ

M-ATX board with dual LGA2011-3 sockets, two DDR42 channels up to 32 GB each, four SATA 3.0 ports, six USB 3.0 ports, M.2 NVME slot and gigabit LAN

  • ProcessorDual Intel Xeon
  • Dual Xeon LGA2011-3 platform for multi-threaded server workloads
  • DDR42 memory up to 2400 MHz with ECC and non-ECC support
  • M.2 NVME slot for fast storage expansion
  • Six USB 3.0 ports plus six USB 2.0 for peripheral connectivity
  • M-ATX form factor 237x180 mm fits compact server chassis

Dual Xeon server board

The WMtec X99-8M is an M-ATX motherboard built for dual Intel Xeon processors using the LGA2011-3 socket. It targets system integrators and enthusiasts assembling multi-threaded workstations or small-footprint servers that need registered or non-ECC DDR4 memory. Two DIMM slots support speeds of 2400, 2133, 1866 and 1600 MT/s with a peak capacity of 32Gx2. Onboard networking uses a Gigabit Ethernet controller and audio relies on the ALC662 5.1 channel codec.

Upgrade from single-socket platforms

This board replaces single-socket X99 or consumer ATX boards when a workload scales beyond one CPU and the chassis can accept an M-ATX form factor. The jump is worth it for render farms, virtualization hosts or database nodes that benefit from doubled core counts and quad-channel memory architecture across two processors. Builders staying with a single Xeon or moving to newer socket generations will not use the second socket or the DDR42 channel layout. The 6 phase power delivery and 8-layer PCB are sized for the dual-CPU power envelope.

Straightforward M-ATX install

The 237x180 mm M-ATX layout fits standard mounting holes and aligns with typical standoff patterns. One PCI-E 3.0 16X slot and two PCI-E 1X slots handle GPU or add-in cards while four SATA 3.0 ports and an M.2 NVME interface cover storage. Six USB 3.0 and six USB 2.0 headers provide front-panel connectivity. Common issues include forgetting the 500w minimum power supply requirement, neglecting to install the CMOS battery after shipment, and exceeding the two-slot memory limit when planning capacity.

How it compares

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

Price $178.99
Cheaper than about 65% of the 776 comparable items (median $254.49).

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Specifications

Processor
ProcessorDual Intel Xeon

Questions about this item

What are the physical dimensions and mounting pattern of the X99-8M so I can confirm it fits my chassis?

The board measures 237 x 180 mm and follows the M-ATX form factor, using standard M-ATX standoff locations.

How do I install the dual LGA2011-3 processors and what is the step most builders miss?

Install both CPUs into the two LGA2011-3 sockets, then populate all eight DDR4 slots in the correct channel order; the step often missed is fitting both processors before powering on, as the board requires a matched pair to initialise.

The board uses a 6-phase power design — what ongoing maintenance does that VRM area need?

Keep the VRM heatsink fins clear of dust and verify fan airflow reaches them; no user-serviceable parts are on the 6-phase supply, so cleaning is the only routine task.

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