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ATX motherboard with black PCB and silver heatsinks

ASRock

ASRock X370 PRO4 AMD motherboard

SKU CH-R84W-RDBV2

Socket AM4 ATX board with 9-phase power, DDR4 up to 3200 OC, SATA 6Gb/s and USB 3.1

  • AM4 socket accepts Ryzen and Bristol Ridge APUs for flexible CPU choice
  • 9 power phases deliver stable current to the processor
  • 95 W air-cooling headroom keeps thermals in check
  • DDR4 memory scales to 3200 MHz overclock for higher bandwidth
  • AMD Quad CrossFireX support enables multi-GPU graphics performance

Socket AM4 platform for Ryzen and A-Series

This ATX motherboard uses the AMD Promontory X370 chipset to support Socket AM4 processors from the Ryzen Summit Ridge and Raven Ridge families as well as 7th Generation A-Series APUs codenamed Bristol Ridge. It targets builders assembling a mid-range desktop around those specific CPU lines.

DDR4 memory speeds and SATA connectivity limits

Ryzen processors on this board can run DDR4 memory at 3200, 2933, 2667, 2400 or 2133 MT/s depending on the memory controller and overclocking headroom, while Bristol Ridge APUs are limited to 2400 and 2133 MT/s. Storage expansion relies on SATA 6 Gb/s ports and the board includes USB 3.1 for external devices.

Nine-phase power and crossfire support in an ATX

A nine-phase power design backs the stated 95 W air-cooling limit for the CPU socket, giving headroom for mainstream chips under sustained load. The full-size ATX form factor provides the physical slots required for AMD Quad CrossFireX and standard CrossFireX multi-GPU configurations, while HDMI output handles integrated graphics on compatible APUs.

Highlights

  • AM4 socket accepts Ryzen and Bristol Ridge APUs for flexible CPU choice
  • 9 power phases deliver stable current to the processor
  • 95 W air-cooling headroom keeps thermals in check
  • DDR4 memory scales to 3200 MHz overclock for higher bandwidth
  • AMD Quad CrossFireX support enables multi-GPU graphics performance

Specifications

BrandASRock

Questions about this item

Should I pick a Ryzen or an A-Series APU for this X370 board?

Both families fit the AM4 socket; Ryzen Summit Ridge and Raven Ridge CPUs are supported alongside A-Series Bristol Ridge APUs.

What does DDR4 3200+ (OC) mean once the memory is installed?

The board can run DDR4 at 3200 MT/s and above when the memory controller and modules allow overclocking; standard speeds are 2667, 2400 and 2133 MT/s.

How fast is the USB 3.1 port in everyday use?

The USB 3.1 interface runs at its rated signalling rate; actual transfer speed will vary with the connected device and cable.

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