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Extended ATX motherboard with black PCB and metallic heatsinks, AM4 socket, DDR4 slots, rear I/O shield included

ASUS

ASUS ROG CROSSHAIR VIII EXTREME AMD motherboard AM4 128GB DDR4 Extended ATX

SKU CH-WXVB-G702F

Extended ATX AM4 board supporting 128 GB DDR4 and Ryzen 2nd and 3rd Gen CPUs out of the box

  • ProcessorRyzen Series
  • Form factorExtended ATX
  • CPU socketAM4
  • Memory slot countDDR4
  • Max supported RAM128 GB
  • PCIe x16 slots1
  • Supports up to 128GB DDR4 for heavy multitasking
  • Extended ATX form factor fits large chassis builds
  • One PCI Express x16 slot for high-end graphics
  • Rear I/O includes DisplayPort and USB 3.1 Gen 2 Type-A
  • Gigabit LAN port provides wired network connectivity

Extreme Extended ATX AM4 board

This ROG Crosshair VIII Extreme motherboard uses the AMD X570 chipset in an Extended ATX form factor. It provides an AM4 socket and four DDR4 slots supporting up to 128 GB of memory. A single PCI Express x16 slot and one legacy PCI slot handle expansion. The rear I/O includes DisplayPort, one RJ45 LAN port and a USB 3.1 Gen 2 Type-A connector.

Builders needing 128 GB DDR4 and X570 features

The board suits enthusiasts who want maximum DDR4 capacity on AM4 and the Extended ATX layout for elaborate cooling. It is not for buyers who need more than one full-length PCIe x16 slot or who require integrated Wi-Fi or additional rear USB ports.

AM4 socket with X570 chipset

The AM4 socket paired with the X570 chipset determines which Ryzen processors are supported and whether the board fits the build. This single specification decides if the motherboard matches the CPU and feature requirements.

How it compares

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

Price $489.99
Pricier than about 65% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineROG
Model nameROG CROSSHAIR VIII EXTREME
Processor
ProcessorRyzen Series
CPU socketAM4
Memory
Memory slot countDDR4
Max supported RAM128 GB
Ports & slots
PCIe x16 slots1
PCI slots1 x PCI Slot
Rear panel ports1 x DisplayPort / 1 x LAN (RJ45) / 1 x USB 3.1 Gen 2 Type-A
Ethernet port1 x RJ45
DisplayPort connectors1 x DisplayPort
USB 3.1 ports1 x USB 3.1
Size & build
Form factorExtended ATX

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