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ATX motherboard with black PCB, silver heatsinks and eight DDR4 slots

ASRock

ASRock X99 Extreme4 Intel motherboard LGA 2011-3

SKU CH-0X2T-P7ED1

ATX Intel X99 board with LGA 2011-3 socket, 12-phase Digi Power, quad-channel DDR4 up to 3000+(OC), 8 DIMM slots supporting 256 GB with Xeon, three PCIe 3.0 x16 slots for 3-way CrossFireX or SLI.

  • CPU Socket TypeDual LGA 2011
  • CPU TypeCore i7
  • Supports 22-Core Xeon processors for heavy multi-threaded workloads
  • 12-phase Digi Power design delivers stable voltage to the CPU
  • Quad-channel DDR4 up to 3000 MHz OC with 128 GB capacity
  • Three PCIe 3.0 x16 slots enable 3-Way CrossFireX or SLI
  • 1-channel Realtek ALC1150 audio with Purity Sound 2 and DTS Connect

Target Platform

This ATX motherboard uses the Intel X99 chipset and an LGA 2011-3 socket to support Intel Core i7 and Xeon 22-Core processors. It is built for workstation builders who need quad-channel DDR4 memory and multi-GPU expansion.

Upgrade Context

The board replaces older LGA 2011 platforms by adding DDR4 support up to 3000+(OC) and a 12-phase Digi Power design for stable overclocking. The jump is worthwhile when moving from dual-channel memory or when 128GB to 256GB capacity is required for compute workloads.

Installation Notes

Standard ATX mounting applies with eight DDR4 DIMM slots featuring 15 gold contacts each. Builders must match memory type to the CPU: ECC RDIMMs only function with Xeon processors, while Core i7 CPUs limit maximum capacity to 64GB or 128GB depending on generation.

Highlights

  • Supports 22-Core Xeon processors for heavy multi-threaded workloads
  • 12-phase Digi Power design delivers stable voltage to the CPU
  • Quad-channel DDR4 up to 3000 MHz OC with 128 GB capacity
  • Three PCIe 3.0 x16 slots enable 3-Way CrossFireX or SLI
  • 1-channel Realtek ALC1150 audio with Purity Sound 2 and DTS Connect

Specifications

CPU Socket TypeDual LGA 2011
CPU TypeCore i7

Questions about this item

Will this board accept a standard LGA 2011-3 Xeon processor and run ECC memory?

Yes, the board supports Xeon 22-Core processors on the LGA 2011-3 socket and enables DDR4 ECC un-buffered or RDIMM memory when a Xeon E5 series CPU is installed.

How many memory modules can I install and what is the maximum total capacity with a Core i7 Broadwell-E processor?

Eight DDR4 DIMM slots are provided, allowing up to 128GB total system memory when paired with a Core i7 Broadwell-E CPU.

What multi-GPU configurations are supported by the PCIe layout?

The board provides three PCIe 3.0 x16 slots plus one PCIe 2.0 x16 and one PCIe 2.0 x1, supporting AMD 3-Way CrossFireX and NVIDIA 3-Way SLI.

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