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ATX motherboard, black PCB with red accents, LGA 2011-v3 socket, eight DDR4 slots, multiple PCIe slots

ASRock

ASRock Fatal1ty X99X Killer Intel motherboard LGA 2011-v3

SKU CH-W1QP-Y5ABP

ATX Intel X99 board for LGA 2011-v3 CPUs with 12-phase Digi Power, eight DDR4 slots up to 256 GB ECC memory, three PCIe 3.0 x16 slots for triple CrossFireX or SLI.

  • ProcessorCore i7
  • ChipsetIntel X99
  • CPU socketLGA 2011-v3
  • Supports up to 22-Core Xeon processors on LGA 2011-v3 socket
  • 12 Power Phase Digi Power design for stable CPU delivery
  • Quad Channel DDR4 up to 3000+(OC) with 128GB max capacity
  • 1 CH HD Audio via Realtek ALC1150 with Purity Sound 2
  • Triple GPU support with AMD 3-Way CrossFireX and NVIDIA 3-Way SLI

Socket and audience

This ASRock Fatal1ty X99X Killer board fits the LGA 2011-v3 socket and pairs with the Intel X99 chipset. It is built for Core i7 and Xeon 22-Core processors, targeting enthusiasts and workstation users who need quad-channel memory and multi-GPU scaling.

Build and connectivity

The ATX layout uses a 12-phase Digi Power design with Multiple Filter Cap components. Expansion includes three PCIe 3.0 x16 slots and two PCIe 2.0 x1 slots, plus eSATA and S/PDIF on the rear I/O. Audio runs through a Realtek ALC1150 codec with Purity Sound 2 and DTS Connect.

Thermals and power

The 12-phase power delivery spreads current across multiple phases to keep VRM temperatures manageable under load. Dual 128 Mb AMI UEFI BIOS chips provide a backup if a flash fails. No onboard graphics are present, so a discrete card is required for display output.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $184.99
Pricier than about 80% of the 2,965 comparable items (median $97.99).

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Specifications

Processor
ProcessorCore i7
CPU socketLGA 2011-v3
ChipsetIntel X99

Questions about this item

How fast can the PCIe 3.0 x16 slots actually run on this board?

The three PCIe 3.0 x16 slots operate at up to 3.0 speeds, so each lane delivers 8 GT/s bandwidth for graphics or add-in cards.

What case clearance does the ATX board with 12 power phases need?

Standard ATX dimensions apply; the 12-phase Digi Power area sits near the CPU socket so allow room for a tall cooler or liquid block.

Which BIOS chip do I flash first when updating the dual 128Mb UEFI?

Flash the Main BIOS first; the Backup BIOS is only a recovery copy and will not boot unless the Main BIOS fails.

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