PC parts / Motherboards
ASUSGaming motherboard
B850 MAX GAMING WIFI W
Released May 2025.6Press articlegdm.or.jp/pressrelease/2025/0515/587228Read 15 October 2026Hermitage Akihabara report of 2025-05-15: ASUS JAPAN announced the board that day and sales started 2025-05-16, from one shop chain only, at an expected 35,980 yen with tax. This is the first retail date found. The manual E25801 is dated 2025-02-25, so other markets may have had it earlier. Last checked 15 October 2026.
- CPU socket
- AM5
- Chipset
- AMD B850
- Form factor
- ATX
- M.2 slots
- 3
58 of 78 fields known.
At a glance
Ports
- USB-C USB 3.2 Gen 2
- 3 USB-A USB 3.2 Gen 2
- 2 USB-A USB 3.2 Gen 1
- 2 USB-A USB 2.0
- DisplayPort 1.4
- HDMI 2.1
- Ethernet (RJ45)
- 3 3.5 mm audio
- USB-C header
- USB 3 header (19-pin)
- 3 USB 2.0 header (9-pin)
General
- Series
- Not available
- Model numbers
- B850 MAX GAMING WIFI W, 90MB1M10-M0EAY0, 90MB1M10-MVAAY01Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The page names the model B850 MAX GAMING WIFI W. The part numbers are from the retailer sources below.7Retailer pageox.ee/en/product/3076791Read 15 October 2026OX.ee lists product code 90MB1M10-M0EAY0.8Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asus-amd-am5-b850-max-gaming-wifi-w-1448859Read 15 October 2026Arvutitark lists product code 90MB1M10-M0EAY0.9Retailer pageeshop.asus.com/us/90mb1m10-mvaay0-b850-max-gaming-wifi-w.htmlRead 15 October 2026The ASUS US eshop page for B850 MAX GAMING WIFI W carries the part number 90MB1M10-MVAAY0. It is the same board for the US market.
- GTIN / EAN
- 47113879810167Retailer pageox.ee/en/product/3076791Read 15 October 2026OX.ee lists EAN 4711387981016.8Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asus-amd-am5-b850-max-gaming-wifi-w-1448859Read 15 October 2026Arvutitark lists the same EAN 4711387981016.
- 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
- Gaming1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The model name carries GAMING. ASUS Japan's launch release calls the board a gaming motherboard. The ASUS page files it under All series.6Press articlegdm.or.jp/pressrelease/2025/0515/587228Read 15 October 2026The report calls the board a gaming motherboard for Socket AM5 and a white ATX model.
- Board revision
- Not available
Platform
- Chipset
- AMD B8501Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026
- Supported processors
- AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026AMD Socket AM5 for Ryzen 9000 & 8000 & 7000 Series Desktop Processors. The page refers to the ASUS download center for the CPU support list. Read on 2026-10-15.
- CPU overclocking
- Yes1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The software list has TurboV Core. AMD's chipset page also lists overclocking for B850.10Maker product pageamd.com/en/products/processors/chipsets/am5.htmlRead 15 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.
- Board dimensions
- Width244Height305mm(9.6 × 12 in)1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026ATX Form Factor, 12 inch x 9.6 inch (30.5 cm x 24.4 cm).
- RGB lighting on the board
- No1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The Aura Sync list names only the Addressable RGB Gen 2 headers, and the feature list names no lit part of the board. Q-LED Core is a status light.2Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 2026Aura Sync is described through the three Addressable Gen 2 headers only.
Power delivery
- CPU core (Vcore) power stages
- 82Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 20268 Vcore power phases. The page gives no current rating, so the stage rating is left out. ASUS says discrete MOSFETs and not DrMOS stages.
- Vcore power stage rating
- Not available
- VRM controller
- Not available
Memory
- Memory type
- DDR51Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026
- Max memory
- 256GB1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 20264 x DIMM slots, max. 256GB, DDR5. The manual says the same.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Specifications summary: 4 x DIMM slots, max. 256GB, DDR5.
- Max memory speed (overclocked)
- 8,000MT/s1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Up to 8000+MT/s (OC) with Ryzen 9000 & 8000 & 7000 Series Processors. 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 x16 4 4 Chipset 1 PCIe x16 1 3 Chipset 2 Source1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Ryzen 9000 and 7000: 1 x PCIe 5.0 x16 slot (x16 mode). Ryzen 8000: PCIe 4.0 x16 at x8 or x4. Chipset: 1 x PCIe 4.0 x16 slot at x4 and 2 x PCIe 3.0 x16 slots at x1. PCIEX16(G3)_1 and _2 share bandwidth with SATA6G_1 and SATA6G_2, which are disabled when either slot runs.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Layout contents: the board supports two PCIe x16 graphics cards and two PCIe x1 cards. The PCIEX16(G5) slot supports x4+x4+x4+x4 bifurcation with Ryzen 9000 and 7000.- Full-length PCIe slots
- 4
- 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 2 Chipset M.2 22110 No Source1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Ryzen 9000 and 7000: M.2_1 is PCIe 5.0 x4 type 2280 and M.2_2 is PCIe 4.0 x4 type 2280, both from the CPU. Ryzen 8000: M.2_1 runs PCIe 4.0 x4 and M.2_2 runs PCIe 4.0 x4 or x2. M.2_3 is on the B850 chipset at PCIe 4.0 x2, type 2242/2260/2280/22110, stored as 22110. Key M slots. No slot lists a SATA mode, so sata is false. The Special Features list one Flexible M.2 heatsink, and the overview says it fits either of two M.2 slots, so no slot gets a heatsink value.2Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 2026One Flexible M.2 heatsink that can take care of either of the two M.2 slots.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Chapter 1 item 6: M.2_1 and M.2_2 from the CPU and M.2_3 from the chipset, as on the specification page. Chapter 1.5 describes the M.2 heatsink on M.2_1 and M.2_2 when it is pre-installed.- M.2 slots
- 3
- PCIe 5.0 M.2 slots
- 1
- SATA ports
- 41Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Storage: 4 x SATA 6Gb/s ports. Two of them are disabled when a PCIe 3.0 x16 slot runs.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Specifications summary: 4 x SATA 6Gb/s ports from the AMD B850 chipset.
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 3 10 USB-A USB 3.2 Gen 1 2 5 USB-A USB 2.0 2 0.48 DisplayPort DisplayPort 1.4 1 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 Source1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Back panel list: 1 USB 10Gbps Type-C, 3 USB 10Gbps Type-A, 2 USB 5Gbps Type-A, 2 USB 2.0 Type-A, 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 Realtek 2.5Gb Ethernet, 3 audio jacks and the BIOS FlashBack button. ASUS names USB by speed, so 10Gbps is stored as USB 3.2 Gen 2 and 5Gbps as USB 3.2 Gen 1. The page notes USB Type-C power delivery output of max. 5V/3A without naming a port, so it is not stored. The page does not say whether the rear Type-C port has DisplayPort output.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Rear I/O connection chapter: DisplayPort, 2 USB 2.0, 3 USB 10Gbps Type-A, Realtek 2.5Gb Ethernet, HDMI, BIOS FlashBack button, 2 USB 5Gbps Type-A, 1 USB 10Gbps Type-C, Wi-Fi module and audio jacks.- 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 3 6 - Front USB-C header speed
- 5Gbps
Networking
- Ethernet ports
- 1
- Ethernet speed
- 2.5Gbps
- Wi-Fi standard
- Wi-Fi 6E1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 20262x2 Wi-Fi 6E (802.11ax).
- Wi-Fi bands
- 2.4 GHz, 5 GHz, 6 GHz1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Supports 2.4/5/6GHz. The 6 GHz band varies by country 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/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The back panel list has only the BIOS FlashBack button. Clear CMOS is a header on the board.
- POST code display
- No1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Special features list ASUS Q-LED Core, which uses color-coded status lights for CPU, VGA and boot device. No two-digit display is listed.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Layout contents list no two-digit display.
- Power button on the board
- No1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The internal connector list and the special features list name no power or start button on the board. The manual has only a PWR_BTN header for a case button.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Layout contents list no power or start button on the board.
- Dual BIOS
- No1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026BIOS is a single 256 Mb Flash ROM, UEFI AMI BIOS. Dual BIOS is not stated.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Specifications summary: 256 Mb Flash ROM, UEFI AMI BIOS. Dual BIOS is not stated.
- Pre-installed I/O shield
- Yes1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026ASUS EZ DIY: Pre-mounted I/O shield.
- Tool-free features
- Push-on antenna connector1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026ASUS Q-Design lists Q-Antenna, which the overview page describes as a snap-in Wi-Fi antenna connector. Q-DIMM and Q-Slot are also listed, but no read ASUS page says what they do, so they are not stored.2Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 2026Q-Antenna: the antenna fasteners snap into place instead of being turned.
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 M.2 rubber package, 3 x Screw packages for M.2 SSD, 1 x Quick start guide1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Accessories: 2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x M.2 rubber packages, 3 x Screw packages for M.2 SSD, 1 x Quick start guide. The manual's package contents match.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026Package contents: 2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x M.2 rubber package, 3 x Screw packages for M.2 SSD, 1 x Quick start guide.
Links
- Product page
- www.asus.com/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w2Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 2026The ASUS global product page from the picked list. The US page was read, and its content is the same.
- Spec sheet
- www.asus.com/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspec1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026
- Manual
- dlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdf3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026ASUS English user manual E25801, released on the ASUS support site 2025-02-25.
- EPREL registration number
- Not available
Warranty
- Manufacturer warranty (source market)
- 3years5Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/helpdesk_warrantyRead 15 October 2026ASUS USA support warranty page for the model, read through its public data feed. The policy reads: Motherboard Standard 3 Years. The policy says the period may differ regionally.
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.
- Press articlegdm.or.jp/pressrelease/2025/0515/587228
- Retailer pageox.ee/en/product/3076791
- Maker product pageamd.com/en/products/processors/chipsets/am5.html
See a wrong value? Tell us and name the field.