MSI

B860M Gaming Plus WiFi

B860LGA1851Micro ATXWi-Fi 7

The MSI B860M Gaming Plus WiFi is a Micro ATX LGA1851 motherboard on the B860 chipset. It supports DDR5 memory up to 8,800 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.

MSI B860M Gaming Plus WiFi motherboard

MaxMyBuild scores

How we score →

How well the B860M Gaming Plus 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.

100/ 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-Fi100
85/ 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 expansion100
M.2 storage100
USB I/O62

Max CPU power

225 W

The B860M Gaming Plus WiFi can reliably power a CPU drawing up to about 225 W from its 2x6+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
$200.00

Memory

Type
DDR5
Slots
4
Max speed
8,800 MT/s
Max capacity
256 GB
Channels
2-channel
ECC / memory
UDIMM, CUDIMM

Power & VRM

Max CPU power
225 W
Phase config
2x6+1+1+1
VRM stages
P-pak
EPS power
8+4
VRM heatsink
Full coverage

Storage & Expansion

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

Ethernet & Wi-Fi

Killer E5000
5 GbE
Ethernet ports
1
Wi-Fi
Wi-Fi 7

USB & I/O

Rear USB-A
2× USB 2.0, 2× 5 Gbps, 1× 10 Gbps
Rear USB-C
1× 5 Gbps, 1× USB4 40 Gbps
Front USB-C
1× 10Gbps
Front USB 3 headers
2
Front USB 2 headers
2
Thunderbolt header
Yes

Audio & Video

Audio codec
ALC897
Audio jacks
3
HDMI
HDMI 2.1
DisplayPort
DP 1.4
USB-C video
DP 2.1

Cooling, RGB & Design

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

Onboard & Diagnostics

Diagnostics
Debug LEDs
Onboard buttons
Clear CMOS
TPM header
Yes
Aux PCIe power
1 8-pin

Compare the B860M Gaming Plus 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 Gaming Plus WiFi

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

Amazon
Price shown on Amazon
Buy

The B860M Gaming Plus WiFi starts from $197.99 across 1 retailer (Wi-Fi 7). Prices update daily from live stock.

Which CPUs fit the B860M Gaming Plus 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.