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ASRock B860M Challenger WiFi mATX Motherboard, Intel Core Ultra (Series 2), DDR5 8666+ (OC), PCIe 5.0, 2.5G LAN, WiFi 7, Dr.MOS
ASRock

ASRock B860M Challenger WiFi mATX Motherboard

Bottom line: The ASRock B860M Challenger WiFi mATX Motherboard is a specs-and-price decision rather than a crowd-consensus one in the retro 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. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

The ASRock B860M Challenger WiFi motherboard is engineered for gamers and enthusiasts seeking fearless play and relentless evolution in a compact micro-ATX form factor. Built for Intel's latest Core Ultra Processors (Series 2) on the LGA1851 socket, it combines robust power delivery with cutting-edge features. The 10+1+1+1+1 Dr.MOS power phase design ensures stable performance during intense gaming sessions, while support for DDR5 memory up to 8666+ (OC) provides the bandwidth needed for demanding applications and smooth multitasking. Experience ultimate speed with next-gen PCIe 5.0 support…

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SpecPicks Verdict

SpecPicks scored ASRock B860M Challenger WiFi mATX Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. ASRock's retro 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 retro 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

  • System Compatibility Note: This Micro-ATX form factor (9.6-in x 9.6-in) is designed for compact and standard chassis; please verify case specifications before purchase.
  • Dedicated Support: Please contact us directly through Amazon for any product questions or assistance you may require.
  • Next-Gen Intel Platform: Supports Intel Core Ultra Processors (Series 2) on the LGA1851 socket, with integrated NPU for dedicated AI acceleration, ensuring a powerful and future-ready foundation.
  • Advanced Power Design: Robust 10+1+1+1+1 power phase design with Dr.MOS for VCore+GT+SA, delivering stable and efficient power for high-performance computing and gaming.
  • High-Speed DDR5 Memory: Four DDR5 DIMM slots support dual-channel configurations and overclocked speeds up to 8666+ (OC), including support for Clocked Unbuffered DIMMs (CUDIMM).
  • Next-Gen PCIe 5.0 Ready: Features one PCIe 5.0 x16 slot for the latest graphics cards and one Blazing M.2 slot for PCIe Gen5x4 SSDs, offering maximum data transfer speeds.

Full Specifications

BrandASRock
Weight2.5g
PlatformWindows 11
CPU SocketSocket LGA 1851
Model NameB860M CHALLENGER WIFI
Unit Count1 Count
Chipset TypeIntel B860
ConnectivityBluetooth, USB, WiFi
Model Number90-MXBUP0-A0UAYAZ
Chipset FamilyIntel Desktop
Connection TypeWired
Mfr Part Number90-MXBUP0-A0UAYAZ
Number of Items1
Total Usb Ports16
Processor SocketSocket LGA 1851
Total PCIe Ports2
Total SATA Ports4
Dedicated SupportPlease contact us directly through Amazon for any product questions or assistance you may require.
Compatible DevicesPersonal Computer
Memory Clock Speed8666 MHz
Full listing titleASRock B860M Challenger WiFi mATX Motherboard, Intel Core Ultra (Series 2), DDR5 8666+ (OC), PCIe 5.0, 2.5G LAN, WiFi 7, Dr.MOS

Ready to buy?

ASRock B860M Challenger WiFi mATX Motherboard, Intel Core Ultra (Series 2), DDR5 8666+ (OC), PCIe 5.0, 2.5G LAN, WiFi 7, Dr.MOS is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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ASRock B860M Challenger WiFi mATX Motherboard, Intel Core Ultra (Series 2), DDR5 8666+ (OC), PCIe 5.0, 2.5G LAN, WiFi 7, Dr.MOS
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