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MSI B860M GAMING PLUS WIFI

MSIGaming motherboard

B860M GAMING PLUS WIFI

Released January 2025.3Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026Article of 2025-07-30 in Japanese, sponsored by MSI. It lists the related news story of 2025-01-16 that the first five MSI B860 boards were in stock in Akihabara, the GAMING PLUS among them. The manual PDF is dated 2025-01-14. The month is approximate. Last checked 16 October 2026.

CPU socket
LGA1851
Chipset
Intel B860
Form factor
Micro-ATX
M.2 slots
3

64 of 78 fields known.

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At a glance

Ports

  • USB-C USB4
  • USB-C USB 3.2 Gen 1
  • USB-A USB 3.2 Gen 2
  • 2 USB-A USB 3.2 Gen 1
  • 2 USB-A USB 2.0
  • HDMI 2.1
  • DisplayPort 1.4
  • Ethernet (RJ45)
  • 3 3.5 mm audio
  • USB-C header
  • 2 USB 3 header (19-pin)
  • 2 USB 2.0 header (9-pin)

All specs

SourceCalculated

General

Series
GAMING PLUS1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Cover and Special Features: B860M GAMING PLUS WIFI. GAMING PLUS is the series name in the product name.
Model numbers
B860M GAMING PLUS WIFI, 911-7E42-003, 7E42-003R, 601-7E42-02S2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026MSI Italy store order code 911-7E42-003 (SKU in the store feed) for B860M GAMING PLUS WIFI.5Retailer pageoffice-partner.de/msi-b860m-gaming-plus-wifi-n2008219103Read 15 October 2026Manufacturer number 7E42-003R.6Spec databasebuildcores.com/products/Motherboard/mz6xvk5k6/MSI-B860M-GAMING-PLUS-WIFI-DDR5-Micro-ATXRead 15 October 2026Part numbers: B860M GAMING PLUS WIFI, 7E42-003R, 601-7E42-02S, B860MGPW. The page's slot counts are wrong and are not used.
GTIN / EAN
4711377286558, 8241423929355Retailer pageoffice-partner.de/msi-b860m-gaming-plus-wifi-n2008219103Read 15 October 2026EAN/GTIN 4711377286558.6Spec databasebuildcores.com/products/Motherboard/mz6xvk5k6/MSI-B860M-GAMING-PLUS-WIFI-DDR5-Micro-ATXRead 15 October 2026UPC 824142392935 and EAN 0824142392935. The aztekc.com listing gives the same UPC.
Announced
Not available
Status
Available2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026The product is listed for sale at 186 EUR on 2026-10-15.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Gaming3Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026The review calls the GAMING PLUS series the entry class of MSI's gaming motherboards, below MEG, MPG and MAG.
Board revision
Not available

Platform

CPU socket
LGA18511Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, CPU: processor socket LGA1851.
Chipset
Intel B8601Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: Intel B860 Chipset.
Supported processors
Intel Core Ultra (Series 2)1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, CPU: Intel Core Ultra Processors (Series 2). The manual says to check msi.com for the newest support status. Read on 2026-10-15. BIOS updates can add series later.
CPU overclocking
No4Press articlepugetsystems.com/labs/articles/z890-vs-b860-vs-h810Read 15 October 2026The chipset table lists overclocking for B860 as RAM only, and the text says the B860 chipset only supports memory overclocking. This is the chip maker's feature as Puget reports it. It is not a board spec.

Board

Front and side, drawn to scale.

Form factor
Micro-ATX1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: mATX Form Factor, 9.6 in. x 9.6 in. (244 mm x 244 mm).
Board dimensions
Width244Height244mm(9.6 × 9.6 in)1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: 9.6 in. x 9.6 in. (244 mm x 244 mm), stored as 244 mm x 244 mm. The MSI Italy store page states the PCB as 243.84mm x 243.84mm, the exact conversion of 9.6 in.2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026PCB Info: mATX, 243.84mm x 243.84mm. This rounds to the stored 244 mm.
PCB layers
62Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026Key features: 6-layer server-grade level PCB.
Back-connect design
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026The Overview of Components chapter shows the usual front-side power, fan and USB connectors.
RGB lighting on the board
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, LED Features: only the 4x EZ Debug LED and the RGB and ARGB headers. The complete LED list names no lighting on the board.

Power delivery

Power stage layout
12+1+1+12Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026Key features: 12+1+1+1 Duet Rail Power System with P-PAK, 8+4-pin CPU power connectors.3Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026VRM text: a 12+1+1+1 phase power circuit with a large heatsink. The reviewer writes DRPS where MSI writes Duet Rail.
CPU core (Vcore) power stages
123Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026VRM text: the 12 phases for the CPU core use P-PAK MOSFETs. MSI shows no current rating for them.
Vcore power stage rating
Not available
VRM controller
Richtek RT3638AJ3Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026Photo caption: the digital PWM controller is the Richtek RT3638AJ. MSI does not name the controller.
CPU power connectors
8+4 pin1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Power Connectors: 1x 8-pin +12V power connector and 1x 4-pin ATX 12V power connector, besides the 24-pin ATX connector.
Extra slot power connector
Yes1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Power Connectors: 1x 8-pin PCIe power connector (PCIE_PWR1). Special Features lists a Supplemental PCIe Power Connector.

Memory

Memory type
DDR51Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Memory: 4x DDR5 memory slots.
Memory slots
41Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Memory: 4x DDR5 memory slots with single-sided latches.
Max memory
256GB1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Memory: supporting up to 256GB. The manual lists no speeds. They are on the product page.
Max memory speed (overclocked)
8,800MT/s2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026Memory table: Memory Support 8800 to 6400 (OC) MT/s. 1DPC 1R up to 8800+, 1DPC 2R up to 7200+, 2DPC 1R up to 6400+ and 2DPC 2R up to 5600+ MT/s. The intro line of the same page says 8600+ MT/s, so the page disagrees with itself. The higher table value is stored, which fits the rule for the higher figure. The table names no CPU family and the board takes Core Ultra (Series 2) only.
ECC memory
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Memory: supports non-ECC, un-buffered memory.
CUDIMM support
Yes1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Memory: Supports CUDIMM. No clock driver bypass limit is stated, so it counts as supported.

Expansion slots

Expansion slots
Physical slotElectrical lanesPCIe generationConnected toCount
PCIe x16165CPU1
PCIe x1614Chipset2
PCIe x1644Chipset1
Source1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Expansion Slots: 4x PCIe x16 slots. PCI_E1 from the CPU at up to PCIe 5.0 x16. PCI_E2 and PCI_E3 from the B860 chipset at up to PCIe 4.0 x1. PCI_E4 from the chipset at up to PCIe 4.0 x4. All four are full-length slots. The pre-installed Wi-Fi module sits in an M.2 Key-E slot, which is not listed.
Full-length PCIe slots
4
Fastest PCIe x16 slot generation
5

Storage

M.2 storage slots
SlotPCIe generationPCIe lanesConnected toLongest driveTakes SATA drivesHeatsink
M2_154CPUM.2 2280NoYes
M2_244ChipsetM.2 2280NoNo
M2_342ChipsetM.2 2280NoNo
Source1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, M.2 SSD Slots: M2_1 from the CPU at up to PCIe 5.0 x4 and takes 2242, 2260 and 2280. M2_2 from the B860 chipset at PCIe 4.0 x4 and takes 2260 and 2280. M2_3 from the chipset at PCIe 4.0 x2 and takes 2280. The block diagram marks all three PCIe only, so no slot takes SATA. The M.2 chapter shows a Screwless M.2 Shield Frozr heatsink on M2_1 only. M2_2 and M2_3 have no heatsink.
M.2 slots
3
PCIe 5.0 M.2 slots
1
SATA ports
41Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: 4x SATA 6Gb/s ports from the B860 chipset (SATA_5 to SATA_8).

Rear ports

Rear ports
TypeVersionCountMax link rate (Gbps)Thunderbolt or USB4Power out (W)DP Alt Mode
USB-CUSB4140Thunderbolt 415Yes
USB-CUSB 3.2 Gen 115Not availableNot availableNot available
USB-AUSB 3.2 Gen 2110Not availableNot availableNot available
USB-AUSB 3.2 Gen 125Not availableNot availableNot available
USB-AUSB 2.020.48Not availableNot availableNot available
HDMIHDMI 2.11Not availableNot availableNot availableNot available
DisplayPortDisplayPort 1.41Not availableNot availableNot availableNot available
Ethernet (RJ45)Not available15Not availableNot availableNot available
3.5 mm audioNot available3Not availableNot availableNot availableNot available
Source1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Back Panel Connectors and the back panel chapter: 1x DisplayPort, 1x HDMI, 1x Thunderbolt 4 USB-C port from the CPU with DisplayPort over USB Type-C, 2x USB 2.0 Type-A, 1x clear CMOS button, 1x 5Gbps LAN (RJ45), 1x USB 10Gbps Type-A, 1x USB 5Gbps Type-C, USB 5Gbps Type-A ports, 2x Wi-Fi antenna connectors and 3 audio jacks (line-in, line-out and mic-in). The block diagram shows the 5Gbps Type-A ports as two. The MSI Italy store page lists 2x USB 5Gbps Type A. HDMI 2.1 and DisplayPort 1.4 are on the Onboard Graphics row, only on processors with integrated graphics. The Thunderbolt port is written as USB4 and its power output of 5V/3A, 15W is from the MSI Italy store page.2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026Thunderbolt section: 1x Thunderbolt 4 port, up to 40Gbps with Thunderbolt devices and up to 5V/3A, 15W power charging. USB list: 2x USB 5Gbps Type A (Rear), 1x USB 5Gbps Type C (Rear), 1x USB 10Gbps Type A (Rear) and 2x USB 2.0 (Rear). LAN: Intel Killer E5000 5Gbps. The page writes the DisplayPort over USB-C port as DisplayPort 2.1 with UHBR20. That is a video output detail and is not stored.
Rear USB ports
7
Rear USB-C ports
2
Fastest rear USB port
40Gbps
Thunderbolt
Yes

Internal connectors

Internal USB headers
HeaderMax data rate (Gbps)HeadersFront ports served
USB-C header1011
USB 3 header (19-pin)524
USB 2.0 header (9-pin)0.4824
Source1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Internal USB Connectors: 1x USB 10Gbps Type-C front panel port (JUSBC1), 2x USB 5Gbps connectors that support four more ports, and 2x USB 2.0 connectors that support four more ports. The Thunderbolt 5 expansion card connector (JTBT5_1) is not a USB header.
Front USB-C header speed
10Gbps
Fan headers
51Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, Fan Connectors: 1 CPU fan, 1 water-pump or system fan and 3 system fan connectors make 5. The JAF_1 EZ Conn-Header V1 carries fan and ARGB lines together and is not counted.
ARGB headers
21Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, LED Features: 2x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors. JAF_1 is a combination connector and is not counted.
RGB headers
11Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, LED Features: 1x 4-pin RGB LED connector.

Networking

Ethernet controllers
Intel Killer E50001Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: 1x Intel Killer E5000-CG 5Gbps LAN controller. Stored as the chip family without the suffix.2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026Specifications: Intel Killer E5000 5Gbps LAN.5Retailer pageoffice-partner.de/msi-b860m-gaming-plus-wifi-n2008219103Read 15 October 2026LAN chip: Intel Killer E5000-CG, 5 Gigabit Ethernet.
Ethernet ports
1
Ethernet speed
5Gbps
Wi-Fi included
Yes1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: the Wi-Fi 7 wireless module is pre-installed in the M.2 (Key-E) slot.
Wi-Fi standard
Wi-Fi 71Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: Wi-Fi 7, 802.11 a/b/g/n/ac/ax/be.
Wi-Fi bands
2.4 GHz, 5 GHz, 6 GHz1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: 2.4GHz, 5GHz and 6GHz bands. 6GHz depends on each country's regulations.
Max Wi-Fi channel width
320MHz1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: 2.4GHz, 5GHz and 6GHz (320MHz) up to 5.8Gbps.
Wi-Fi module
Intel Killer BE1750x2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026Wireless section: Intel Killer BE1750x Wi-Fi 7, pre-installed in the M.2 (Key-E) slot. A retailer writes it as Killer BE1750K. MSI's wording is stored.
Bluetooth
5.41Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: Bluetooth 5.4. MSI says the version may be updated by the Wi-Fi chip vendor.

Audio

Audio codec
Realtek ALC8971Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications: Realtek ALC897 Codec, 7.1-channel High Definition Audio.
DAC chip
Not available

Features

BIOS flashback
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026The back panel list has no Flash BIOS button. The BIOS chapter describes updating with M-FLASH from inside the BIOS only.
Clear CMOS button (rear)
Yes1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Back panel list: 1x Clear CMOS Button.
POST code display
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026LED Features and the Onboard LEDs chapter: 4x EZ Debug LED, which are single status LEDs for CPU, DRAM, GPU and boot device. No two-digit code display is listed.
Power button on the board
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026The Overview of Components chapter lists no power or start button on the board.
Dual BIOS
No1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Specifications, BIOS Features: 1x 256 Mb flash. No second BIOS is listed.
Pre-installed I/O shield
Yes1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Special Features, EZ DIY: Pre-installed I/O Shield.
Tool-free features
Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release, Push-on antenna connector1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Special Features, EZ DIY: EZ M.2 Shield Frozr II (the M.2 chapter shows a screwless heatsink released with a button), EZ M.2 Clip II and EZ PCIe Clip II. The Akiba PC Hotline review describes the large lock lever of the graphics card slot and an EZ Antenna that is fixed by pushing it in.2Maker product pageit-store.msi.com/products/b860m-gaming-plus-wifi-shede-madriRead 15 October 2026EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna.3Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026The captions name the tool-free M.2 Shield Frozr II, the EZ M.2 Clip II and an EZ Antenna that is fixed by pushing it in. The Steel Armor graphics card slot has a large lock lever that is easy to operate.

Measured

VRM temperature under CPU load
74°C3Reviewakiba-pc.watch.impress.co.jp/docs/topic/special/2034759.htmlRead 15 October 2026Cinebench 2024 Multi Core run for at least 10 minutes with a Core Ultra 7 265K at the BIOS default limits (PL1 = PL2 = 250 W, IccMax 347 A), open frame at about 26 C, MAG CORELIQUID A13 360 with the fans at 50 percent PWM. HWiNFO64 Pro reads the VRM MOS sensor at an average of 64.1 C and a maximum of 74 C. The CPU drew a little under 200 W. A thermal image after 10 minutes agrees with the sensor. The maximum is stored. Gaming load (Cyberpunk 2077 for 30 minutes) peaked at 45 C.
Power draw idle
Not available
Power draw CPU stress
Not available

In the box

In the box
Quick installation guide, European Union regulatory notices, 1 x SATA cable, 1 to 2 EZ Conn-Cable (V1), EZ Wi-Fi Antenna, EZ M.2 Clip II, EZ M.2 Clip II Remover, 2 x M.2 Screw and Standoff Sets1Owner's manualtrovaprezzi.it/manuali/msi_b860m_gaming_plus_wifi.pdfRead 15 October 2026Package Contents: motherboard, 1 quick installation guide, 1 European Union regulatory notices, 1 SATA cable, 1 1 to 2 EZ Conn-Cable (V1), 1 EZ Wi-Fi antenna, 1 EZ M.2 Clip II, 1 EZ M.2 Clip II Remover and 2 M.2 screw and standoff sets.

Warranty

Manufacturer warranty (source market)
3years5Retailer pageoffice-partner.de/msi-b860m-gaming-plus-wifi-n2008219103Read 15 October 2026Garantie: 3 Jahre Herstellergarantie (Germany).

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  1. Read 15 October 2026Backs 39 fields
  2. Read 15 October 2026Backs 10 fields
  3. Read 15 October 2026Backs 7 fields
  4. Read 15 October 2026Backs 1 field
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