For workstations and servers requiring strong multi-core performance, dual LGA 2011-3 motherboards provide expanded memory, PCIe bandwidth, and multiple NVMe/M.2 options. This guide highlights five capable dual-CPU or dual-socket boards that support Intel Xeon E5 V3/V4 and Core i7 processors, delivering robust expandability for demanding tasks. Each entry includes key specs, memory capacity, PCIe capabilities, and networking features to help you compare suitability for servers, workstation PCs, or enthusiast builds.
Summary of chosen products
| Product | CPU Socket | Memory | PCIe / NVMe | LAN | Form Factor |
|---|---|---|---|---|---|
| SHANGZHAOYUAN X99 B9 Motherboard | LGA 2011-v3 | DDR4 up to 128GB | PCIe 3.0, NVMe/NGFF M.2 | Gigabit LAN | M-ATX |
| MACHINISIT LGA 2011-3 X99 PR9-H | LGA 2011-v3 | DDR4 up to 128GB | PCIe 3.0, M.2 | Gigabit LAN | Micro ATX |
| SHANGZHAOYUAN X99 LGA 2011-3 White PR9-H | LGA 2011-v3 | DDR4 up to 128GB | PCIe 3.0, M.2 | Gigabit LAN | Micro ATX |
| SHANGZHAOYUAN X99 Dual CPU Mobo | LGA 2011-3 | DDR4 up to 256GB | PCIe 3.0, 2x NVMe M.2 | Dual LAN | E-ATX |
| MACHINIST X99 Dual CPU Mobo | LGA 2011-3 | DDR4 up to 256GB | PCIe 3.0, NVMe M.2 | Dual LAN | E-ATX |
SHANGZHAOYUAN X99 B9 Motherboard LGA 2011-3

The X99 B9 board uses the LGA 2011-v3 socket to support Intel Xeon E5 V3/V4 and Core i7 series processors. It offers dual-channel DDR4 memory up to 128GB and speeds up to 2400MHz. The design emphasizes stable power with an 8-phase supply and solid-state capacitors, suitable for server or workstation builds. It includes a 24+8 pin power interface and recommends a high-quality 500W+ power supply for reliability.
SHANGZHAOYUAN X99 LGA 2011-3 White Micro ATX

This Micro ATX X99 board provides LGA 2011-v3 CPU support with up to 128GB DDR4 memory and PCIe 3.0 connectivity. The feature set includes an NVMe M.2 slot and Gigabit LAN, making it a compact yet capable choice for small-form-factor high-performance builds. The design targets both Xeon E5 V3/V4 and Core i7 family processors while emphasizing stability with a solid power arrangement.
MACHINISIT LGA 2011-3 X99 PR9-H Micro ATX

The MACHINISIT PR9-H board supports LGA 2011-v3 CPUs and up to 128GB of DDR4 RAM. It emphasizes stability with a 6-phase power design and includes a 24+8 pin power interface. PCIe 3.0 and an M.2 slot provide modern storage and expansion capabilities, suitable for workstation or server builds requiring solid reliability and decent throughput.
MACHINIST X99 Dual CPU Mobo (E-ATX)

Designed for dual Xeon E5 V3/V4 systems, this MACHINIST X99 motherboard supports 8-channel DDR4 up to 256GB and features dual M.2 NVMe slots, multiple PCIe 3.0 x16 slots, and 6x USB 3.0 ports with additional USB 2.0 support. It targets serious workstation and server builds that require substantial expandability and high memory capacity, with a robust power design to maintain stability under load.
MACHINIST X99 Motherboard LGA 2011-3 (M-ATX)

This X99 motherboard supports Xeon E5 V3/V4 and Core i7 5th/6th generation CPUs on the LGA 2011-3 socket. It offers DDR4 up to 128GB and PCIe 3.0, with multiple NVMe/M.2 slots and gigabit networking. The M-ATX form factor makes it suitable for compact yet capable server or workstation builds, balancing space and performance.
Buying Guide: Key Considerations For Dual 2011-3 Socket Boards
When evaluating dual 2011-3 socket motherboards, consider processor compatibility, memory capacity, and memory types. Xeon E5 and certain Core i7 SKUs may require ECC or RECC memory, so verify RAM support with your chosen CPU. Look at the number and type of PCIe slots, NVMe/M.2 options, and GPU/Storage expansion to ensure your workload will scale. Power delivery matters—prefer boards with solid multi-phase designs and documented stability for long runtimes. Networking features like dual Gigabit or faster LAN help with data-intensive tasks. Finally, confirm the form factor (M-ATX, ATX, E-ATX) to fit your chassis, cooling, and expansion needs.
Comparison highlights
- Single-CPU vs. dual-CPU configurations: Dual-CPU boards offer higher memory bandwidth and more PCIe lanes, beneficial for virtualization and HPC workloads.
- Memory configurations: DDR4 capacity ranges from 128GB to 256GB in the selected models. Ensure memory type is compatible with your CPU (ECC vs non-ECC).
- Expansion and storage: NVMe M.2 support and multiple PCIe x16/x8 slots enable high-speed storage and GPU configurations; check slot spacing for multi-GPU setups.
- Power and reliability: Look for 6- to 8-phase power designs with high-quality capacitors and recommendations for power supplies of 500W+.
Overall, the boards covered here offer a range of form factors and expandability suitable for demanding computing tasks. Match your workload to the board’s CPU compatibility, memory support, and PCIe/NVMe capabilities to achieve the best balance of performance and reliability.