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ASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard, White Edition, Supports AMD Ryzen 9000/8000/7000 Series Processors, DDR5 8000+ (OC), PCIe 5.0, 2.5G LAN, WiFi 6E, 8+2+1 Power Phase
ASRock

ASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard

Bottom line: The ASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard is a specs-and-price decision rather than a crowd-consensus one in the motherboards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Backed by ASRock's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The ASRock B850M Pro RS WiFi White Edition delivers exceptional value and style in a micro-ATX form factor, featuring a stunning white color scheme that's perfect for builders creating coordinated white-themed systems. Supporting AMD's latest Ryzen 9000, 8000, and 7000 series processors on the AM5 platform, this motherboard combines aesthetic appeal with serious performance. Built with an efficient 8+2+1 power phase design utilizing Dr.MOS technology, it ensures stable power delivery for both gaming and productivity tasks, while the four DDR5 DIMM slots support impressive memory speeds up to…

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SpecPicks Verdict

SpecPicks scored ASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. ASRock's motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Stunning White Aesthetic: Premium white color scheme with coordinated components perfect for white-themed builds and aesthetic-focused systems
  • Next-Gen AMD Platform: Supports AMD Socket AM5 Ryzen 9000, 8000, and 7000 Series Processors, providing a modern foundation for your build
  • Stable Power Delivery: 8+2+1 phase power design with Dr.MOS for VCore, SOC, and MISC ensures reliable performance for your CPU
  • High-Speed DDR5 Memory: 4 DDR5 DIMM slots support dual-channel configurations and overclocked speeds up to 8000+ (OC)
  • PCIe 5.0 Ready: Features one PCIe 5.0 x16 slot for next-generation graphics cards and one Blazing M.2 (PCIe Gen5x4) slot for ultra-fast storage
  • Comprehensive Storage Options: Three M.2 slots (PCIe 5.0 and PCIe 4.0) plus four SATA3 ports accommodate all your storage needs

Full Specifications

BrandASRock
Weight2.5g
PlatformWindows 10, Windows 11
CPU ModelRyzen 9
CPU SocketSocket AM5
Model NameB850M PRO RS WIFI WHITE
Chipset TypeAMD B850
ConnectivityBluetooth, WiFi
Model Number90-MXBT30-A0UAYAZ
Chipset FamilyAMD B850
PCIe 5.0 ReadyFeatures one PCIe 5.0 x16 slot for next-generation graphics cards and one Blazing M.2 (PCIe Gen5x4) slot for ultra-fast storage
Connection TypeWired
Mfr Part Number90-MXBT40-A0UAYAZ
Number of Items1
Number of Ports21
Total Usb Ports17
Processor SocketSocket AM5
Total PCIe Ports2
Total SATA Ports4
Dedicated SupportContact us directly through Amazon for any product questions or assistance
Full listing titleASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard, White Edition, Supports AMD Ryzen 9000/8000/7000 Series Processors, DDR5 8000+ (OC), PCIe 5.0, 2.5G LAN, WiFi 6E, 8+2+1 Power Phase

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ASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard, White Edition, Supports AMD Ryzen 9000/8000/7000 Series Processors, DDR5 8000+ (OC), PCIe 5.0, 2.5G LAN, WiFi 6E, 8+2+1 Power Phase is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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ASRock B850M Pro RS WiFi White AMD AM5 Micro-ATX Motherboard, White Edition, Supports AMD Ryzen 9000/8000/7000 Series Processors, DDR5 8000+ (OC), PCIe 5.0, 2.5G LAN, WiFi 6E, 8+2+1 Power Phase
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