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PC parts / Motherboards

GIGABYTE B850M GAMING X WIFI6E
CPU socket
AM5
Chipset
AMD B850
Form factor
Micro-ATX
M.2 slots
2

59 of 78 fields known.

At a glance

Ports

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

All specs

SourceCalculated

General

Announced
Not available
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Gaming8Retailer pageesaitech.com/products/gigabyte-ultra-durable-b850m-gaming-x-wifi6e-gaming-desktop-motherboardRead 14 October 2026The listing calls it a Gaming Desktop Motherboard, and the retail box in Gigante's photos reads GIGABYTE Gaming Motherboard. The maker names no creator or workstation use.
Board revision
Not available

Platform

CPU socket
AM51Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026
Chipset
AMD B8501Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026
Supported processors
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: Ryzen 9000, 8000 and 7000 Series. The manual refers to the maker's website for the latest CPU support list. Read on 2026-10-14.

Board

Front and side, drawn to scale.

Form factor
Micro-ATX1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: Micro ATX Form Factor, 24.4cm x 24.4cm.
Board dimensions
Width244Height244mm(9.6 × 9.6 in)1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: 24.4cm x 24.4cm.3Retailer pagescan.co.uk/products/gigabyte-b850m-gaming-x-wifi6eRead 14 October 2026Micro ATX, 244 x 244 mm.
Back-connect design
No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026The section 1-1 layout shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.
RGB lighting on the board
Not available

Power delivery

Power stage layout
10+2+23Retailer pagescan.co.uk/products/gigabyte-b850m-gaming-x-wifi6eRead 14 October 2026Reproduces the maker's text: Digital Twin Power design with 10 VCORE, 2 SOC and 2 VDD_MISC phases.4Retailer pagejib.co.th/web/product/readProduct/87537/42/MAINBOARD--%E0%B9%80%E0%B8%A1%E0%B8%99%E0%B8%9A%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%94--GIGABYTE-B850M-GAMING-X-WIFI6E--REV-1-1----AMD-SOCKET-AM5-DDR5-MICRO-ATXRead 14 October 2026Digital Twin VRM with 10+2+2 phases and VRM Thermal Armor Advanced.
CPU core (Vcore) power stages
103Retailer pagescan.co.uk/products/gigabyte-b850m-gaming-x-wifi6eRead 14 October 202610 VCORE phases. MaxMyBuild writes the phase config as 2x5+2+2, which is 10 Vcore stages.
Vcore power stage rating
60A3Retailer pagescan.co.uk/products/gigabyte-b850m-gaming-x-wifi6eRead 14 October 2026The listing says 60A DrMOS modules, copied from the maker's text. MaxMyBuild reads 55A DrMOS. The maker's 60A is stored.
VRM controller
Not available
Extra slot power connector
No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026The section 2-2 internal connector list has no extra slot power connector.

Memory

Max memory
256GB1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: up to 256 GB (64 GB single DIMM capacity).
Max memory speed (overclocked)
8,200MT/s3Retailer pagescan.co.uk/products/gigabyte-b850m-gaming-x-wifi6eRead 14 October 2026Rated for 8200 MT/s overclocking with AMD EXPO support. The listing names no CPU family. The manual lists only 5200, 4800 and 4400 MT/s.
ECC memory
No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules.
CUDIMM support
Not available

Expansion slots

Expansion slots
Physical slotElectrical lanesPCIe generationConnected toCount
PCIe x16165CPU1
PCIe x1643Chipset1
Full-length PCIe slots
2
Fastest PCIe x16 slot generation
5

Storage

M.2 slots
2
PCIe 5.0 M.2 slots
1
SATA ports
41Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: 4 x SATA 6Gb/s connectors from the chipset.

Rear ports

Rear ports
TypeVersionCountMax link rate (Gbps)
USB-CUSB 3.2 Gen 2110
USB-AUSB 3.2 Gen 2110
USB-AUSB 3.2 Gen 125
USB-AUSB 2.040.48
HDMIHDMI 2.11Not available
DisplayPortDisplayPort 1.42Not available
Ethernet (RJ45)Not available12.5
3.5 mm audioNot available3Not available
PS/2Not available1Not available
Rear USB ports
8
Rear USB-C ports
1
Fastest rear USB port
10Gbps
Thunderbolt
Not available

Internal connectors

Internal USB headers
HeaderMax data rate (Gbps)HeadersFront ports served
USB-C header1011
USB 3 header (19-pin)512
USB 2.0 header (9-pin)0.4824
Front USB-C header speed
10Gbps
Fan headers
41Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: 1 x CPU fan header, 1 x CPU fan/water cooling pump header, 1 x system fan header and 1 x system fan/water cooling pump header.
ARGB headers
31Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: 3 x addressable RGB Gen2 LED strip headers.
RGB headers
11Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: 1 x RGB LED strip header.

Networking

Ethernet controllers
Realtek RTL81257Spec databasemaxmybuild.com/motherboards/gigabyte-b850m-gaming-x-wifi6eRead 14 October 2026Lists a Realtek RTL8125D 2.5 GbE controller. The suffix D is left out. The manual says only Realtek 2.5GbE LAN chip. Single source.
Ethernet ports
1
Ethernet speed
2.5Gbps
Max Wi-Fi channel width
160MHz1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: support for 11ax 160MHz wireless standard.
Wi-Fi module
Realtek RTL8852CE1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: Realtek Wi-Fi 6E RTL8852CE. JIB's listing of the rev. 1.1 board names the same chip.4Retailer pagejib.co.th/web/product/readProduct/87537/42/MAINBOARD--%E0%B9%80%E0%B8%A1%E0%B8%99%E0%B8%9A%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%94--GIGABYTE-B850M-GAMING-X-WIFI6E--REV-1-1----AMD-SOCKET-AM5-DDR5-MICRO-ATXRead 14 October 2026Realtek RTL8852CE, Wi-Fi 6E, Bluetooth 5.3, 160 MHz.

Audio

DAC chip
Not available

Features

BIOS flashback
Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2 and 2-6: Q-Flash Plus button on the back panel.
Clear CMOS button (rear)
No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2 lists a Clear CMOS jumper, and the back panel list has only the Q-Flash Plus button.
POST code display
No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-7: status LEDs for CPU, DRAM, VGA and boot. The manual lists no two-digit display.
Power button on the board
Not available
Dual BIOS
No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 2-2: BIOS is 1 x 256 Mbit flash. Dual BIOS is not stated.

Measured

We could not find any of these 3 fields. Show them
VRM temperature under CPU load
Not available
Power draw idle
Not available
Power draw CPU stress
Not available

In the box

In the box
Motherboard, User's Manual, Quick Installation Guide, One antenna, Two SATA cables, One G Connector, M.2 screw(s), One pack of M.2 thick/thin rubber pads1Owner's manualtrovaprezzi.it/manuali/gigabyte_b850m_gaming_x_wifi6e.pdfRead 14 October 2026Section 1-2, items for the B850M GAMING X WIFI6E. The manual also lists an I/O shield, marked only for the B850M DS3H, which is not stored. The manual says the box contents are for reference only.

Warranty

Manufacturer warranty (source market)
3years3Retailer pagescan.co.uk/products/gigabyte-b850m-gaming-x-wifi6eRead 14 October 202636 months return to base in the UK. JIB in Thailand says 3 years too. Some shops in the Philippines mention 5 years, so the term differs by market.4Retailer pagejib.co.th/web/product/readProduct/87537/42/MAINBOARD--%E0%B9%80%E0%B8%A1%E0%B8%99%E0%B8%9A%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%94--GIGABYTE-B850M-GAMING-X-WIFI6E--REV-1-1----AMD-SOCKET-AM5-DDR5-MICRO-ATXRead 14 October 2026Warranty 3 years.

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Variants

Each variant lists only what differs from the specs above.

Board revision
rev. 1.0
rev. 1.1

Sources

We read 9 sources for this motherboard. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 34 fields
  2. Read 14 October 2026Backs 1 field
  3. Read 14 October 2026Backs 10 fields
  4. Read 14 October 2026Backs 5 fields
  5. Read 14 October 2026Backs 4 fields
  6. Read 14 October 2026Backs 2 fields
  7. Read 14 October 2026Backs 3 fields
  8. Read 14 October 2026Backs 2 fields
  9. Read 14 October 2026Backs 1 field

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