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ASRock AB350 Pro4 ATX motherboard, black PCB with silver heatsinks and rear I/O panel

ASRock

ASRock AB350 Pro4 AMD motherboard

SKU CH-QY74-BA2NG

Socket AM4 ATX board for Ryzen and A-series APUs with DDR4 up to 3200 OC, two PCIe 3.0 x16 slots, HDMI, DVI-D and D-Sub video, 7.1 audio, six SATA3 ports, one PCIe Gen3 x4 M.2 slot.

  • AM4 socket supports Ryzen CPUs and A-Series APUs
  • DDR4 memory up to 3200 MHz overclocked with Ryzen processors
  • Dual PCIe 3.0 x16 slots for multi-GPU configurations
  • Realtek ALC892 codec with ELNA caps delivers 7.1 channel audio
  • Six SATA3 ports plus one Ultra M.2 and one SATA M.2

Socket AM4 AMD motherboard for Ryzen

The ASRock AB350 Pro4 is an ATX board built around the AMD Promontory B350 chipset. It accepts AMD Socket AM4 Ryzen Summit Ridge processors and A-series Bristol Ridge APUs. The layout provides two PCIe 3.0 x16 slots and four PCIe 2.0 x1 slots for expansion cards. Seven-point-one channel HD audio uses the Realtek ALC892 codec with ELNA capacitors.

Limits of the SATA 6Gb/s and USB 3.0 interfaces

Six SATA3 ports deliver up to 6Gb/s each for traditional drives. One Ultra M.2 slot runs at PCIe Gen3 x4 while a second M.2 slot is wired for SATA3 only. Eight USB 3.0 ports include one Type-C connector, two front-panel headers and five rear ports. The Gigabit LAN controller tops out at one gigabit per second.

Checklist before ordering

Verify that your chosen Ryzen or A-series APU is on the vendor's supported CPU list for this board. Confirm your memory kit matches the DDR4 3200 OC ceiling for Ryzen or the 2400 baseline for A-series APUs. Ensure your case fits an ATX form factor and that your power supply provides the required ATX and CPU power connectors. Graphics output relies on the APU; a discrete card is needed with Ryzen CPUs.

Highlights

  • AM4 socket supports Ryzen CPUs and A-Series APUs
  • DDR4 memory up to 3200 MHz overclocked with Ryzen processors
  • Dual PCIe 3.0 x16 slots for multi-GPU configurations
  • Realtek ALC892 codec with ELNA caps delivers 7.1 channel audio
  • Six SATA3 ports plus one Ultra M.2 and one SATA M.2

Specifications

BrandASRock

Questions about this item

Which ASRock AB350 Pro4 variant should I pick for a Ryzen build?

The single board listed supports Ryzen Summit Ridge CPUs and DDR4 3200+ OC, so choose this model for Ryzen-based systems.

What does DDR4 3200+ OC mean once the board is running?

With a Ryzen CPU the memory controller can run DDR4 above 3200 MHz when overclocked; at stock it operates at the CPU's rated speed.

What does the Ultra M.2 PCIe Gen3 x4 slot cap in practice?

The Ultra M.2 slot delivers PCIe 3.0 x4 bandwidth, limiting drive throughput to that generation's maximum.

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