PC parts / Motherboards
ASUSGaming motherboard
TUF GAMING B850M-E WIFI
Released April 2025.5Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/helpdesk_downloadRead 14 October 2026ASUS support list for the model, read through the support web API (rog.asus.com/support/webapi/product/GetPDDrivers and GetPDBIOS): first release BIOS 0211 dated 2025-04-15 and the quick start guide dated 2025-04-11. Release month taken from these maker dates. Last checked 16 October 2026.
- CPU socket
- AM5
- Chipset
- AMD B850
- Form factor
- Micro-ATX
- M.2 slots
- 3
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
- 2 DisplayPort 1.4
- HDMI 2.1
- Ethernet (RJ45)
- 3 3.5 mm audio
- PS/2
- USB-C header
- USB 3 header (19-pin)
- 2 USB 2.0 header (9-pin)
General
- Model numbers
- TUF GAMING B850M-E WIFI, 90MB1LS0-M0EAY0, 90MB1LS0-MUVAY0, 90MB1LS0-MVAAY04Maker product pageasus.com/us/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/where-to-buyRead 14 October 2026ASUS US where-to-buy page lists TUF GAMING B850M-E WIFI (90MB1LS0-MUVAY0) and TUF GAMING B850M-E WIFI (90MB1LS0-MVAAY0). European retailers list 90MB1LS0-M0EAY0. The page does not say how the three codes differ.6Retailer pageshop.sumillion.com/asus-tuf-gaming-b850m-e-wifi-amd-b850-socket-am5-micro-atx-90mb1ls0-m0eay0.htmlRead 14 October 2026Part number 90MB1LS0-M0EAY0 in the title.
- GTIN / EAN
- 47116360684996Retailer pageshop.sumillion.com/asus-tuf-gaming-b850m-e-wifi-amd-b850-socket-am5-micro-atx-90mb1ls0-m0eay0.htmlRead 14 October 2026Sumillion lists EAN 4711636068499 for 90MB1LS0-M0EAY0. comparateur-gamer.fr lists the same EAN and part number.7Retailer pagecomparateur-gamer.fr/prix/asus-tuf-gaming-b850m-e-wifi-4711636068499Read 14 October 2026Price comparison page for EAN 4711636068499 and reference 90MB1LS0-M0EAY0.
- 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
- Board revision
- Not available
Platform
- Chipset
- AMD B8501Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026
- Supported processors
- AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 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 pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifiRead 14 October 2026The page describes Dynamic OC Switcher, which switches between a manual overclock and Precision Boost Overdrive, and Core Flex for CPU power and thermal limits. AMD's chipset page also lists CPU overclocking for B850.10Maker product pageamd.com/en/products/processors/chipsets/am5.htmlRead 14 October 2026AMD's chipset page lists enhanced overclocking capabilities for B850 and Ryzen processor overclocking enabled. This is the chip maker's page, not the board maker's.
Board
Front and side, drawn to scale.
- Form factor
- Micro-ATX1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026
- Board dimensions
- Width244Height244mm(9.6 × 9.6 in)1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026micro-ATX form factor, 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm).
- RGB lighting on the board
- Not available
Power delivery
- CPU core (Vcore) power stages
- 82Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifiRead 14 October 20268 Vcore power stages of 80 A, DrMOS.
- Vcore power stage rating
- 80A2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifiRead 14 October 2026The overview page says the packages are rated for up to 80A each.
- VRM controller
- Not available
- CPU power connectors
- 8+4 pin1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026Internal connectors: 1 x 8-pin +12V CPU power connector, 1 x 4-pin +12V CPU power connector and the 24-pin main power connector. The manual says to connect the 8-pin plug, or both the 8-pin and 4-pin plugs.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Layout: CPU_12V_1 and CPU_12V_2. Caution: connect the 8-pin power plug, or both the 8-pin and 4-pin plugs.
Memory
- Memory type
- DDR51Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026
- Max memory
- 256GB1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026
- Max memory speed (overclocked)
- 8,000MT/s1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026Up to 8000+MT/s (OC) with Ryzen 9000, 8000 and 7000 Series. The Ryzen 9000 value is stored. The page says supported speeds and module counts vary with the CPU and memory configuration.
- CUDIMM support
- Not available
Expansion slots
- Expansion slots
Physical slot Electrical lanes PCIe generation Connected to Count PCIe x16 16 5 CPU 1 PCIe x1 1 4 Chipset 1 Source1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026Ryzen 9000 and 7000: 1 x PCIe 5.0 x16 slot. Ryzen 8000: 1 x PCIe 4.0 x16 slot at x8 or x4. B850 chipset: 1 x PCIe 4.0 x1 slot. The manual calls the slots PCIEX16(G5) and PCIEX1(G4).3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Layout and expansion slot section: one PCIe x16 slot PCIEX16(G5) and one PCIe x1 slot PCIEX1(G4).- 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 M.2_1 5 4 CPU M.2 2280 No M.2_2 4 4 CPU M.2 2280 No M.2_3 4 4 Chipset M.2 2280 No Source1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026Key M slots. Ryzen 9000 and 7000: M.2_1 is type 2280 at PCIe 5.0 x4 and M.2_2 is type 2280 at PCIe 4.0 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 is type 2242/2260/2280 at PCIe 4.0 x4, stored as 2280. Heatsinks per slot are not stored. The page lists only PCIe modes for the slots, so sata is false. The specification list and the layout name one M.2 heatsink, while the overview page text says all three M.2 slots have dedicated heatsinks, so the maker's pages conflict.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Chapter 1 item 6 lists the M.2 types and PCIe modes per CPU family. M.2_1, M.2_2 and M.2_3 are installed with the M.2 Q-Latch. The M.2 steps say to follow the heatsink steps only if the slot comes with a heatsink.- M.2 slots
- 3
- PCIe 5.0 M.2 slots
- 1
Rear ports
- Rear ports
Type Version Count Max link rate (Gbps) USB-C USB 3.2 Gen 2 1 10 USB-A USB 3.2 Gen 2 1 10 USB-A USB 3.2 Gen 1 2 5 USB-A USB 2.0 4 0.48 DisplayPort DisplayPort 1.4 2 Not available HDMI HDMI 2.1 1 Not available Ethernet (RJ45) Not available 1 2.5 3.5 mm audio Not available 3 Not available PS/2 Not available 1 Not available - Rear USB ports
- 8
- Rear USB-C ports
- 1
- Fastest rear USB port
- 10Gbps
- Thunderbolt
- Not available
Internal connectors
- Internal USB headers
Header Max data rate (Gbps) Headers Front ports served USB-C header 5 1 1 USB 3 header (19-pin) 5 1 2 USB 2.0 header (9-pin) 0.48 2 4 - Front USB-C header speed
- 5Gbps
- Fan headers
- 51Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 20261 CPU fan, 1 CPU OPT fan, 1 AIO pump and 2 chassis fan headers, all 4-pin.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Table of fan and pump headers: CPU_FAN, CPU_OPT, CHA_FAN1, CHA_FAN2 and AIO_PUMP, 1 A each.
Networking
- Ethernet controllers
- Realtek RTL81255Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/helpdesk_downloadRead 14 October 2026Driver list: Realtek RTL8125 LAN driver and Realtek RTL8125D LAN driver. The chip is stored as the family RTL8125. The spec page says Realtek 2.5Gb Ethernet.
- Ethernet ports
- 1
- Ethernet speed
- 2.5Gbps
- Wi-Fi standard
- Wi-Fi 6E1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 20262x2 Wi-Fi 6E (802.11ax).
- Wi-Fi bands
- 2.4 GHz, 5 GHz, 6 GHz1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026Supports 2.4/5/6GHz. The 6 GHz band depends on country regulations and needs Windows 11 or later.
- Max Wi-Fi channel width
- Not available
Audio
We could not find any of these 2 fields. Show them
- Audio codec
- Not available
- DAC chip
- Not available
Features
- Clear CMOS button (rear)
- No1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026The back panel list has only the BIOS FlashBack button. Clear CMOS is a header on the board.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Layout item 13: Clear CMOS header (CLRTC). The rear panel has the BIOS FlashBack button only.
- POST code display
- No1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026Q-Design lists Q-LED with four status LEDs (CPU, DRAM, VGA, boot device). No Q-Code display is listed.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Layout item 17: Q-LEDs (CPU, DRAM, VGA and boot device). No two-digit display on the layout.
- Power button on the board
- No1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026The internal connector list names a front panel system header and no power or start button on the board.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026The layout lists the F_PANEL header with a PWR_BTN pin for a chassis button and no power or start button on the board.
- Dual BIOS
- No1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026BIOS is a single 256 Mb flash ROM. Dual BIOS is not stated.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Specifications summary: 256 Mb Flash ROM, UEFI AMI BIOS. Dual BIOS is not stated.
- Pre-installed I/O shield
- Yes1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026EZ DIY list: Pre-mounted I/O shield.
- Tool-free features
- Tool-free M.2 latch, PCIe slot release, Push-on antenna connector1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026ASUS Q-Design: M.2 Q-Latch, PCIe Slot Q-Release and Q-Antenna.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifiRead 14 October 2026PCIe Slot Q-Release lever, Q-Antenna snap-in Wi-Fi antenna and M.2 Q-Latch are described on the page.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026M.2 Q-Latch secures M.2 modules in the installation steps. The ASUS WiFi Q-Antenna chapter describes the snap-in antenna.
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
- 2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x TUF Gaming sticker, 1 x M.2 rubber package, 1 x Screw package for M.2 SSD, 1 x Quick start guide1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 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/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026Package contents list on page 8.
Links
- Product page
- www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifiRead 14 October 2026
- Spec sheet
- www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspec1Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b850m-e-wifi/techspecRead 14 October 2026
- Manual
- dlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdf3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/TUF_GAMING_B850M-E_WIFI/E26935_TUF_GAMING_B850M-E_WIFI_EM_V2_WEB.pdfRead 14 October 2026ASUS user's manual E26935, English edition, revision V2, 2025-08-11 on the ASUS support site.
- EPREL registration number
- Not available
Warranty
- Manufacturer warranty (source market)
- 3years8Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-amd-b850-sam5-atxtuf-gaming-b850m-e-wifi-asus-1465160Read 14 October 2026Arvutitark is an Estonian shop and lists a warranty of 36 months for product code 90MB1LS0-M0EAY0. 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 10 sources for this motherboard. The numbers match the markers in the sheet.
- Maker product pageamd.com/en/products/processors/chipsets/am5.html
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