PC parts / Motherboards
ASUSGaming motherboard
ROG STRIX B850-G GAMING WIFI
Released July 2025.5Reviewprofesionalreview.com/2025/11/26/asus-rog-strix-b850-g-gaming-wifi-reviewRead 14 October 2026Review of 2025-11-26 for a board on sale. Last checked 16 October 2026.
- CPU socket
- AM5
- Chipset
- AMD B850
- Form factor
- Micro-ATX
- M.2 slots
- 4
63 of 78 fields known.
At a glance
Ports
- USB-C USB 3.2 Gen 2x2
- USB-C USB 3.2 Gen 2
- 2 USB-A USB 3.2 Gen 2
- 4 USB-A USB 3.2 Gen 1
- 2 USB-A USB 2.0
- HDMI 2.1
- DisplayPort 1.4
- Ethernet (RJ45)
- 2 3.5 mm audio
- Optical S/PDIF
- USB-C header
- USB 3 header (19-pin)
- 2 USB 2.0 header (9-pin)
General
- Model numbers
- ROG STRIX B850-G GAMING WIFI, 90MB1M30-M0AAY0, 90MB1M30-M0EAY04Maker product pagerog.asus.com/us/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/wtbRead 14 October 2026The ASUS where-to-buy page lists the order codes 90MB1M30-M0AAY0 and 90MB1M30-M0EAY0 among the board's regional codes. 90MB1M30-M0EAY0 is also the code at Scan UK, Comfeel and Arvutitark. The ASUS store price on that page is $259.99. It is a current price and not stored as a launch price.10Retailer pageamazon.com/dp/B0FH7MB8WVRead 14 October 2026Mfr Part Number: ROG STRIX B850-G GAMING WIFI.11Retailer pagescan.co.uk/products/asus-rog-strix-b850-g-gaming-wifi-amd-b850-am5-ddr5-pcie-50-4-x-m2-25g-wifi7-usb-20gbps-amd-expo-matRead 14 October 2026Scan UK lists model number 90MB1M30-M0EAY0.12Retailer pageeshop.comfeel.cz/asus-mb-sc-am5-rog-strix-b850-g-gaming-wifi-amd-b850-4xddr5-1xdp-1xhdmi-wifi-matxRead 14 October 2026Supplier code 90MB1M30-M0EAY0.
- GTIN / EAN
- 199291092266, 471163609226510Retailer pageamazon.com/dp/B0FH7MB8WVRead 14 October 2026The Amazon US listing for ASIN B0FH7MB8WV gives UPC 199291092266.11Retailer pagescan.co.uk/products/asus-rog-strix-b850-g-gaming-wifi-amd-b850-am5-ddr5-pcie-50-4-x-m2-25g-wifi7-usb-20gbps-amd-expo-matRead 14 October 2026Scan UK lists GTIN 4711636092265.12Retailer pageeshop.comfeel.cz/asus-mb-sc-am5-rog-strix-b850-g-gaming-wifi-amd-b850-4xddr5-1xdp-1xhdmi-wifi-matxRead 14 October 2026Comfeel lists EAN 4711636092265.
- Announced
- Not available
- Status
- Available10Retailer pageamazon.com/dp/B0FH7MB8WVRead 14 October 2026The listing is on sale on 2026-10-14 at best sellers rank 14 in Computer Motherboards.11Retailer pagescan.co.uk/products/asus-rog-strix-b850-g-gaming-wifi-amd-b850-am5-ddr5-pcie-50-4-x-m2-25g-wifi7-usb-20gbps-amd-expo-matRead 14 October 2026In stock on 2026-10-14.
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- Not available
- Launch price (EU)
- Not available
- Markets
- Not available
- Colours
- Not available
- Board revision
- Not available
Platform
- CPU socket
- AM51Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026
- Chipset
- AMD B8501Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026
- Supported processors
- AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026AM5 for Ryzen 9000, 8000 and 7000 Series. The page refers to the ASUS download center for the CPU support list. Read on 2026-10-14.
- CPU overclocking
- Yes2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 2026The page describes robust overclocking capabilities for AMD Ryzen 9000, 8000 and 7000 Series with AMD EXPO and PBO enhancement. AMD also describes the B850 platform with enhanced overclocking capabilities.9Maker product pageamd.com/en/products/processors/chipsets/am5.htmlRead 14 October 2026AMD describes the B850 platform with enhanced overclocking capabilities. This is the chip maker's page and not the board maker's.
Board
Front and side, drawn to scale.
- Form factor
- Micro-ATX1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026micro-ATX form factor.
- Board dimensions
- Width244Height244mm(9.6 × 9.6 in)1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 20269.6 inch x 9.6 inch (24.4 cm x 24.4 cm).3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026micro-ATX form factor, 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm).
Power delivery
- Power stage layout
- 14+2+12Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 202614(80A)+2(80A)+1(80A) power stages: 14 Vcore, 2 SoC and 1 MISC. Stored as 14+2+1.
- CPU core (Vcore) power stages
- 142Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 2026The VRM features 14+2+1 power stages.
- Vcore power stage rating
- 80A2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 2026Each of the 14 Vcore stages is rated 80 A. The SoC and MISC stages are also 80 A.
- CPU power connectors
- 8+8 pin1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Internal connectors, power related: 1 x 24-pin main power and 2 x 8-pin +12V CPU power.
- Extra slot power connector
- No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026The power related connector list is complete and has no extra slot power connector. The page never states that one is absent.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Power connectors section: ATX_PWR, CPU_12V_1 and CPU_12V_2 only.
Memory
- Memory type
- DDR51Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026
- Memory slots
- 41Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026
- Max memory speed (overclocked)
- 8,000MT/s1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Supports up to 8000+MT/s (OC) with Ryzen 9000, 8000 and 7000 Series processors. The Ryzen 9000 value is stored. The page gives no table for other module setups.
- CUDIMM support
- Not available
Expansion slots
- Expansion slots
Physical slot Electrical lanes PCIe generation Connected to Count PCIe x16 16 5 CPU 1 Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Ryzen 9000 and 7000: 1 x PCIe 5.0 x16 slot. Ryzen 8000: the same slot runs PCIe 4.0 at x8 or x4. The board has no other expansion slot. Stored with Ryzen 9000.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026The layout shows PCIEX16(G5) as the only expansion slot.- Full-length PCIe slots
- 1
- Fastest PCIe x16 slot generation
- 5
Storage
- M.2 storage slots
Slot PCIe generation PCIe lanes Connected to Longest drive Takes SATA drives Heatsink M.2_1 4 4 CPU M.2 2280 No Yes M.2_2 5 4 CPU M.2 2280 No Yes M.2_3 4 4 Chipset M.2 2280 No Yes M.2_4 4 4 Chipset M.2 2280 No No Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Total 4 x M.2 (Key M). Ryzen 9000 and 7000: M.2_1 type 2242/2260/2280 PCIe 4.0 x4 and M.2_2 type 2242/2260/2280 PCIe 5.0 x4. Ryzen 8000: M.2_1 runs PCIe 4.0 x4 and M.2_2 runs PCIe 4.0 x4 or x2. B850 chipset: M.2_3 type 2280 PCIe 4.0 x4 and M.2_4 type 2280 PCIe 4.0 x4 on the underside of the board. 2260 is stored as 2280. The page lists no M.2 SATA support, so sata is false for every slot. It lists no lane sharing, so that column is empty.2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 2026Overview: 4 x M.2 slots, 1 x 2280 PCIe 5.0 x4 and 3 x 2280 PCIe 4.0 x4. The M.2 heatsink covers three M.2 slots and the page does not name which. The Profesional Review text says the slot on the back of the board has none, so the underside M.2_4 is stored without a heatsink.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026The specification summary matches the page. The manual lists M.2 types and PCIe modes only. M.2_4 is at the back of the motherboard.5Reviewprofesionalreview.com/2025/11/26/asus-rog-strix-b850-g-gaming-wifi-reviewRead 14 October 2026Three of the four M.2 slots have passive aluminum heatsinks with Q-Latch. The fourth slot, on the back of the board, has no heatsink and is held by a screw.- M.2 slots
- 4
- PCIe 5.0 M.2 slots
- 1
Rear ports
- Rear ports
Type Version Count Max link rate (Gbps) Power out (W) USB-C USB 3.2 Gen 2x2 1 20 Not available USB-C USB 3.2 Gen 2 1 10 15 USB-A USB 3.2 Gen 2 2 10 Not available USB-A USB 3.2 Gen 1 4 5 Not available USB-A USB 2.0 2 0.48 Not available HDMI HDMI 2.1 1 Not available Not available DisplayPort DisplayPort 1.4 1 Not available Not available Ethernet (RJ45) Not available 1 2.5 Not available 3.5 mm audio Not available 2 Not available Not available Optical S/PDIF Not available 1 Not available Not available Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Back panel: 1 USB 20Gbps Type-C, 3 USB 10Gbps (2 Type-A and 1 Type-C), 4 USB 5Gbps Type-A, 2 USB 2.0 Type-A (10 USB ports in total), 1 DisplayPort (max 8K@30Hz as specified in DisplayPort 1.4), 1 HDMI (4K@60Hz as specified in HDMI 2.1), 1 Wi-Fi module, 1 Intel 2.5Gb Ethernet, 2 audio jacks and 1 optical S/PDIF out. ASUS names USB by speed, so 20Gbps is stored as USB 3.2 Gen 2x2, 10Gbps as USB 3.2 Gen 2 and 5Gbps as USB 3.2 Gen 1. The footnote says USB Type-C power delivery output max 5V/3A, which sits on the 10Gbps Type-C port and is stored as 15 W. The overview page says up to 30W PD fast-charge. The spec page and the manual say 5V/3A and are stored. The Wi-Fi module and the two buttons are not ports.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026The specification summary lists the same rear USB (total 10 ports) and the same footnote: USB Type-C power delivery output max 5V/3A.- Rear USB ports
- 10
- Rear USB-C ports
- 2
- Fastest rear USB port
- 20Gbps
- Thunderbolt
- Not available
Internal connectors
- Internal USB headers
Header Max data rate (Gbps) Headers Front ports served USB-C header 10 1 1 USB 3 header (19-pin) 5 1 2 USB 2.0 header (9-pin) 0.48 2 4 Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Front USB (total 7 ports): 1 x USB 10Gbps connector (1 x USB Type-C), 1 x USB 5Gbps header for 2 ports and 2 x USB 2.0 headers for 4 ports.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Layout contents: 8. USB 10Gbps Type-C front panel connector, 9. USB 5Gbps header, 10. USB 2.0 header (two).- Front USB-C header speed
- 10Gbps
- Fan headers
- 61Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 20261 CPU fan, 1 CPU OPT fan, 1 AIO pump and 3 chassis fan headers, all 4-pin.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Fan and Pump headers table: CPU_FAN, CPU_OPT, AIO_PUMP and CHA_FAN1 to CHA_FAN3.5Reviewprofesionalreview.com/2025/11/26/asus-rog-strix-b850-g-gaming-wifi-reviewRead 14 October 2026Six fan headers: three SYS_FAN, one CPU_FAN, one SYS_FAN/PUMP and one CPU_OPT.
- RGB headers
- 03Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026The layout lists only 3 x Addressable RGB Gen 2 headers and no 4-pin RGB header.5Reviewprofesionalreview.com/2025/11/26/asus-rog-strix-b850-g-gaming-wifi-reviewRead 14 October 2026Three 5V ARGB Gen2 headers and no RGB header are named.
Networking
- Ethernet controllers
- Intel I2265Reviewprofesionalreview.com/2025/11/26/asus-rog-strix-b850-g-gaming-wifi-reviewRead 14 October 2026Ethernet is an Intel I226-V 2.5 GbE chip. ASUS writes only Intel 2.5Gb Ethernet. The -V suffix is dropped.
- Ethernet ports
- 1
- Ethernet speed
- 2.5Gbps
- Wi-Fi standard
- Wi-Fi 71Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 20262x2 Wi-Fi 7 (802.11be).
- Wi-Fi bands
- 2.4 GHz, 5 GHz, 6 GHz1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Supports 2.4/5/6GHz frequency band. The 6 GHz band and bandwidth vary by country.
- Wi-Fi module
- Not available
Audio
- DAC chip
- Not available
Features
- BIOS flashback
- Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026BIOS FlashBack button on the back panel.
- Clear CMOS button (rear)
- Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Clear CMOS button on the back panel.
- Power button on the board
- Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Internal connectors, miscellaneous: 1 x Start button.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Layout item 14: Start button, which powers up the system.
- Dual BIOS
- No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026BIOS: 256 Mb Flash ROM, UEFI AMI BIOS. One flash ROM is stated and no dual BIOS feature is listed. The page never states that dual BIOS is absent.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026The specification summary gives one 256 Mb Flash ROM. The manual never states that dual BIOS is absent.
- Pre-installed I/O shield
- Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026ASUS EZ DIY list: Pre-mounted I/O shield.
- Tool-free features
- Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release, Push-on antenna connector1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026ASUS Q-Design: M.2 Q-Latch, M.2 Q-Release, PCIe Slot Q-Release and Q-Antenna.2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 2026Q-Release lets the M.2 heatsink come off with a switch and no tiny screws. Q-Latch installs M.2 SSDs with one press. PCIe Slot Q-Release unlocks the card by pressing a button. Q-Antenna snaps the Wi-Fi antenna into place.
Measured
- Power draw idle
- Not available
- Power draw CPU stress
- Not available
In the box
- In the box
- 2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x Cable ties package, 1 x M.2 Q-Latch package, 1 x ROG key chain, 1 x ROG Strix stickers, 3 x M.2 rubbers, 1 x Screw package for M.2 SSD, 1 x Quick start guide1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026Accessories list on the specification page, the same as the manual's package contents.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Package contents list on page 13. It says 1 x ROG Strix sticker.
Links
- Product page
- rog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifiRead 14 October 2026
- Spec sheet
- rog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/spec1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/specRead 14 October 2026
- Manual
- dlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdf3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_B850-G_GAMING_WIFI/E25990_ROG_STRIX_B850-G_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026ASUS user guide E25990, First Edition, April 2025, from dlcdnets.asus.com.
- EPREL registration number
- Not available
Warranty
- Manufacturer warranty (source market)
- 3years10Retailer pageamazon.com/dp/B0FH7MB8WVRead 14 October 2026Warranty Description: 3 Years (US listing).11Retailer pagescan.co.uk/products/asus-rog-strix-b850-g-gaming-wifi-amd-b850-am5-ddr5-pcie-50-4-x-m2-25g-wifi7-usb-20gbps-amd-expo-matRead 14 October 2026Scan UK: 36 months return to base.12Retailer pageeshop.comfeel.cz/asus-mb-sc-am5-rog-strix-b850-g-gaming-wifi-amd-b850-4xddr5-1xdp-1xhdmi-wifi-matxRead 14 October 2026Warranty of 36 months in the Czech shop. It is the shop's stated warranty and not an ASUS page.
Compare with
Pick a motherboard to see both side by side. Differences are marked yellow.
Sources
We read 12 sources for this motherboard. The numbers match the markers in the sheet.
- Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/spec
- Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi
- Maker product pagerog.asus.com/us/motherboards/rog-strix/rog-strix-b850-g-gaming-wifi/wtb
- Maker product pagerog.asus.com/support/webapi/product/GetPDBIOS
- Maker product pageamd.com/en/products/processors/chipsets/am5.html
- Retailer pageamazon.com/dp/B0FH7MB8WV
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