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ASRock B860M Pro A DDR5 8666 MHz 256GB M.2 LGA1851 B860 Micro ATX Motherboard Intel Core Ultra BIOS Flashback SATA3 6.0 Gb/s PCIe 5.0
ASRock

ASRock B860M Pro A DDR5 8666 MHz 256GB M.2 LGA1851 B860 Micro ATX Motherboard Intel Core Ultra BIOS Flashback SATA3 6.0 Gb/s PCIe 5.0

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$109.99

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*Price sourced from Amazon.com. Last updated 2026-08-24. Price and availability subject to change.

Bottom line: The ASRock B860M Pro A DDR5 8666 MHz 256GB M.2 LGA1851 B860 Micro ATX Motherboard Intel Core Ultra BIOS Flashback SATA3 6.0 Gb/s PCIe 5.0 is a specs-and-price decision rather than a crowd-consensus one in the retro motherboards category, priced around $109.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

The ASRock B860I Lightning WiFi is a compact Mini-ITX motherboard designed for Intel's LGA1700 socket, supporting 12th/13th/14th Gen Core processors. This space-saving powerhouse features a 6+1+1 power phase design with 50A Dr.MOS for efficient power delivery, making it ideal for small form factor builds. It supports DDR5 memory (up to 7200+ MHz, OC) and includes PCIe 5.0 x16 for next-gen graphics cards, delivering impressive performance in a tiny package. Storage options include one PCIe 4.0 x4 M.2 slot and four SATA III ports, while connectivity features WiFi 6E and 2.5G LAN for ultra-fast…

SpecPicks Verdict

SpecPicks scored ASRock B860M Pro A DDR5 8666 MHz 256GB M.2 LGA1851 B860 Micro ATX… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ 10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA
  • ✓ Backed by ASRock's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • 10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA
  • 4 x DDR5 DIMMs Supports Dual Channel, up to 8666+ (OC)
  • Graphics Output Options: 1 HDMI, 1 DisplayPort
  • Realtek ALC1220 7.1 CH HD Audio Codec
  • POLYCHROME SYNC

Full Specifications

BrandASRock
PlatformWindows 11
CPU SocketSocket LGA 1851
Model NameB860M PRO-A
Chipset TypeIntel B860
Model NumberB860M PRO-A
Chipset FamilyIntel B860
Mfr Part NumberB860M PRO-A
Number of Items1
Number of Ports13
Total Usb Ports6
Processor SocketSocket LGA 1851
Total PCIe Ports2
Total SATA Ports4
Compatible DevicesDesktop
Memory Clock Speed8666 MHz
Warranty Description3 years
Compatible ProcessorsIntel Core Ultra
RAM Memory TechnologyDDR5
Memory Slots Available4

Ready to buy?

ASRock B860M Pro A DDR5 8666 MHz 256GB M.2 LGA1851 B860 Micro ATX Motherboard Intel Core Ultra BIOS Flashback SATA3 6.0 Gb/s PCIe 5.0 is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Last updated 2026-08-24. Price and availability subject to change.

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