ASRock

B860M Pro RS WiFi

B860LGA1851Micro ATXWi-Fi 6E

The ASRock B860M Pro RS WiFi is a Micro ATX LGA1851 motherboard on the B860 chipset. It supports DDR5 memory up to 8,666 MT/s and 3 M.2 slots. Full specs, power delivery, and current prices are below.

Prices update regularly and may differ at the retailer. This page contains affiliate links.

ASRock B860M Pro RS WiFi motherboard

MaxMyBuild scores

How we score →

How well the B860M Pro RS WiFiis equipped for gaming and for productivity, scored 0–100 from its specs. Scores are fit-for-purpose: a capable board can top the gaming score without being the most expensive.

97/ 100Gaming

Weighs CPU power delivery, memory speed support, the GPU PCIe slot, Wi-Fi version, and M.2 storage — the things that actually matter for a gaming build.

CPU power100
RAM speed100
GPU slot100
M.2100
Wi-Fi85
70/ 100Productivity

Rewards fast, plentiful M.2 storage and USB I/O, PCIe expansion, memory capacity and slots — what matters for content creation and heavy multitasking.

CPU power72
Capacity & slots100
PCIe expansion45
M.2 storage100
USB I/O35

Max CPU power

225 W

The B860M Pro RS WiFi can reliably power a CPU drawing up to about 225 W from its 2x5+1+1+1+1 power-stage (VRM) layout. That’s the number that decides whether a board can run a power-hungry chip at full boost without throttling — comfortable for mainstream and most high-end CPUs.

Specifications

Platform

Chipset
B860
Socket
LGA1851
Form factor
Micro ATX
MSRP
$160.00

Memory

Type
DDR5
Slots
4
Max speed
8,666 MT/s
Max capacity
256 GB
Channels
2-channel
ECC / memory
UDIMM, CUDIMM

Power & VRM

Max CPU power
225 W
Phase config
2x5+1+1+1+1
VRM stages
DrMOS
EPS power
8+4
VRM heatsink
Full coverage

Storage & Expansion

M.2 slots
3
M.2 layout
1× PCIe 5.0 ×4, 2× PCIe 4.0 ×4
M.2 heatsinks
Slots 1
SATA ports
4 SATA3
PCIe ×16 slots
1× PCIe 5.0 ×16
Other PCIe slots
1× PCIe 4.0 ×4

Ethernet & Wi-Fi

Realtek RTL8125BG
2.5 GbE
Ethernet ports
1
Wi-Fi
Wi-Fi 6E

USB & I/O

Rear USB-A
2× USB 2.0, 3× 5 Gbps
Rear USB-C
1× 20 Gbps
Front USB-C
1× 5Gbps
Front USB 3 headers
2
Front USB 2 headers
2

Audio & Video

Audio codec
ALC897
Audio jacks
3
HDMI
HDMI 2.1
DisplayPort
DP 1.4

Cooling, RGB & Design

Fan headers
6
12V RGB headers
1
5V ARGB headers
3
PCB colour
Black
Heatsink colour
Silver White, Grey

Onboard & Diagnostics

BIOS Flashback
Yes (rear)
Diagnostics
Debug LEDs
TPM header
Yes

Compare the B860M Pro RS WiFi against every other board on the motherboard comparison table. Not sure it fits your chip? The socket compatibility guide explains LGA1851 pairings.

Where to buy the B860M Pro RS WiFi

Every in-stock retailer offer we track, cheapest first.

Amazon
Price shown on Amazon
Buy

The B860M Pro RS WiFi starts from $259.58 across 1 retailer (Wi-Fi 6E). Prices update daily from live stock.

Which CPUs fit the B860M Pro RS WiFi?

Compare all CPUs →

In-stock LGA1851 processors this board can run — socket-matched and within its 225 W VRM budget, ranked by gaming value (performance per dollar).

Affiliate disclosure: Some links on this page are affiliate links — MaxMyBuild may earn a commission at no extra cost to you if you buy through them. As an Amazon Associate, MaxMyBuild earns from qualifying purchases. For Amazon, current price and availability are shown on the Amazon product page; product prices and availability are accurate as of the date and time of purchase and are subject to change. Prices shown for other retailers are approximate and may differ at checkout. “Search” links are non-affiliate and provided for convenience only.