ASRock B850 PRO RS: ATX, AM5, DDR5, PCIe 5.0 Motherboard

3.90 (7)
Best price today
$249.99
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newegg_com
3.90 (7)
In stock
$249.99
Prices last updated Jun 25, 2026

Highlights

  • Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series processors
  • 14+2+1 phase power design with 80A Dr.MOS for VCore, SOC and MISC
  • 4 DDR5 DIMM slots with dual-channel support and memory speeds up to 8000+ OC
  • 1 PCIe 5.0 x16 slot, 1 PCIe 4.0 x16 slot, and 1 M.2 Key E slot for WiFi
  • Storage includes 1 Blazing M.2 PCIe Gen5x4, 2 Hyper M.2 PCIe Gen4x4, 1 Ultra M.2 PCIe Gen3x4, and 4 SATA3 ports
  • Graphics outputs include HDMI and USB Type-C with DP Alt mode
  • Realtek 2.5G LAN and Realtek ALC897 7.1-channel HD audio with Nahimic Audio
  • USB connectivity includes front USB 3.2 Gen2x2 Type-C, rear USB 3.2 Gen2 Type-C, rear USB 3.2 Gen1 Type-C, plus multiple USB 3.2 Gen1 and USB 2.0 ports
  • Supports M.2 bottom heatsink and BIOS Flashback

Description

The ASRock B850 PRO RS is an ATX motherboard built for AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series processors. It uses a 14+2+1 phase power design with 80A Dr.MOS for VCore, SOC and MISC, making it well suited for high-performance desktop builds. Four DDR5 DIMM slots support dual-channel memory up to 8000+ OC. Expansion includes a PCIe 5.0 x16 slot, an additional PCIe 4.0 x16 slot, and an M.2 Key E slot for WiFi. Storage options are extensive with one Blazing M.2 PCIe Gen5x4, two Hyper M.2 PCIe Gen4x4, one Ultra M.2 PCIe Gen3x4, and four SATA3 ports. It also offers Realtek 2.5G LAN, 7.1-channel audio, BIOS Flashback, and broad USB connectivity including front USB 3.2 Gen2x2 Type-C.

Specifications

Brand Name ASRock
Brand ASRock
Category motherboard
Model Family B850 PRO RS
Condition New
Form Factor ATX

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