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ASRock AMD B850i Lightning WiFi 6E Socket AM5 Ryzen 9000/8000/7000 Series DDR5 8200+ (OC) MHz 128GB Mini ITX Motherboard M.2 SATA3 6.0 Gb/s PCIe 5.0 B850 BIOS Flashback
ASRock

ASRock AMD B850i Lightning WiFi 6E Socket AM5 Ryzen 9000/8000/7000 Series DDR5 8200+ (OC) MHz 128GB Mini ITX Motherboard M.2 SATA3 6.0 Gb/s PCIe 5.0 B850 BIOS Flashback

Bottom line: The ASRock AMD B850i Lightning WiFi 6E Socket AM5 Ryzen 9000/8000/7000 ($179.99 on Amazon as of 2026-10-06): True Mini-ITX at 170x170mm for SFF builds on AM5; main trade-off: only 2 DDR5 DIMM slots, capping expansion.

$179.99

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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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ True Mini-ITX at 170x170mm for SFF builds on AM5
  • ✓ 10+1+1 phase VRM with 110A Smart Power Stage
  • ✓ PCIe 5.0 x16 slot ready for next-gen GPUs
  • ✓ Gen5x4 plus Gen4x4 M.2 slots on one ITX board
  • ✓ Killer 2.5G LAN and WiFi 6E with Bluetooth

Cons

  • ✗ Only 2 DDR5 DIMM slots, capping expansion
  • ✗ 8200+ MHz DDR5 is OC-only, not guaranteed
  • ✗ Needs an SFF case with verified cooler clearance
  • ✗ 40Gb/s USB-C speed depends on the CPU installed

SpecPicks Verdict

SpecPicks scored ASRock AMD B850i Lightning WiFi 6E Socket AM5 Ryzen 9000/8000/7000… 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

  • Mini-ITX Compact Design: 170x170mm form factor ideal for small form factor builds while supporting AMD Ryzen 9000/8000/7000 series processors
  • Premium Power Delivery: 10+1+1 phase power design with 110A Smart Power Stage (SPS) ensures stable performance in compact builds
  • High-Speed Memory Support: 2 DDR5 DIMM slots support dual-channel configurations and extreme overclocked speeds up to 8200+ (OC)
  • PCIe 5.0 Ready: Includes one PCIe 5.0 x16 slot for next-generation graphics cards, maximizing performance in limited space
  • Dual Ultra-Fast Storage: Features both Blazing M.2 (PCIe Gen5x4) and Hyper M.2 (PCIe Gen4x4) slots for maximum storage performance
  • Advanced Networking: Killer 2.5G LAN and WiFi 6E with Bluetooth provide premium wired and wireless connectivity

Full Specifications

BrandASRock
Weight2.5g
PlatformWindows 11
CPU ModelRyzen 9
CPU SocketSocket AM5
Model NameB850I LIGHTNING WIFI
Chipset TypeAMD B850
ConnectivityBluetooth, USB, WiFi
Model NumberB850I LIGHTNING WIFI
Chipset FamilyAMD B850
PCIe 5.0 ReadyIncludes one PCIe 5.0 x16 slot for next-generation graphics cards, maximizing performance in limited space
Connection TypeWired
Mfr Part NumberB850I Lightning WiFi
Number of Items1
Number of Ports13
Total Usb Ports13
Processor SocketSocket AM5
Total PCIe Ports1
Total SATA Ports2
Dedicated SupportContact us directly through Amazon for any product questions or assistance

Ready to buy?

ASRock AMD B850i Lightning WiFi 6E Socket AM5 Ryzen 9000/8000/7000 Series DDR5 8200+ (OC) MHz 128GB Mini ITX Motherboard M.2 SATA3 6.0 Gb/s PCIe 5.0 B850 BIOS Flashback 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.

Buy on Amazon — $179.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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