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ASUS B850 MAX GAMING WIFI W vs MSI MAG X870E TOMAHAWK WIFI

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Product A: ASUS

B850 MAX GAMING WIFI W

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Product B: MSI

MAG X870E TOMAHAWK WIFI

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AASUS B850 MAX GAMING WIFI W

BMSI MAG X870E TOMAHAWK WIFI

General

1 of 9 differ

Series

Not available

MAG1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Cover: MAG Series Motherboard, MAG X870E TOMAHAWK WIFI.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

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.

MAG X870E TOMAHAWK WIFI, 911-7E59-006, 911-7E59-017, 601-7E59-04S2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026MSI German store order code 911-7E59-006 (SKU in the store feed) for MSI MOTHERBOARD MAG X870E TOMAHAWK WIFI.3Maker product pageuk-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026MSI UK store order code 601-7E59-04S in the store feed.4Maker product pagees-store.msi.com/products/mag-x870e-tomahawk-wifi-placas-baseRead 15 October 2026MSI Spanish store order code 911-7E59-017.

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.

4711377291927, 8241423956602Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Barcode 4711377291927 in the store's product feed.3Maker product pageuk-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Barcode 4711377291927.4Maker product pagees-store.msi.com/products/mag-x870e-tomahawk-wifi-placas-baseRead 15 October 2026Barcode 4711377291927 in the store's product feed.10Retailer pageamazon.com/dp/B0DT55ZJM7Read 15 October 2026Item details list UPC 824142395660 for the MAG X870E Tomahawk WiFi (ASIN B0DT55ZJM7).

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

Not available

Not available

Status

Available9Retailer pageeshop.asus.com/us/90mb1m10-mvaay0-b850-max-gaming-wifi-w.htmlRead 15 October 2026The page lists the board in stock on 2026-10-15.

Available2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026The product is listed for sale at 329 EUR on 2026-10-15.10Retailer pageamazon.com/dp/B0DT55ZJM7Read 15 October 2026Listed and in stock at 267.99 USD on 2026-10-15, best sellers rank 6 in Computer Motherboards.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

MSI MAG X870E TOMAHAWK MAX WIFI12Reviewclub386.com/msi-mag-x870e-tomahawk-max-wifi-reviewRead 15 October 2026Review of the MAG X870E Tomahawk MAX WIFI, dated 2026-01-14: the Max board has the same baseline specifications as the original X870E Tomahawk and replaces it on store shelves. Its BIOS flash is doubled to 64MB, so the 256 Mb flash here is the older chip. The older board is still on sale at retailers on 2026-10-15.

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

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ColoursiThe maker's own colour names

Not available

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SegmentiThe maker's own product category, e.g. ASUS ProArt is Creator. It is not assigned from price or features. Maker lines that are not gaming, creator or workstation lines, such as ASUS PRIME, MSI PRO and ASRock Pro, are mainstream.

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.

Gaming7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026The review calls MAG (MSI Arsenal Gaming) MSI's entry-level lineup and the Tomahawk its main arsenal. Tom's Hardware names the Tomahawk and Arsenal Gaming branding on the board.

Board revisioniThe maker's revision name, e.g. rev. 1.1, for variant rows of revisions that keep the board's name and model number. Leave it out when the maker names no revision.

Not available

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Platform

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CPU socketiSocket name without spaces, e.g. AM5 or LGA1851.

AM51Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026

AM51Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, CPU: processor socket AM5.

ChipsetiChipset with its brand and without the word chipset, e.g. AMD B850, AMD X870E or Intel Z890. Same form as desktop PCs and as compatible chipsets on CPUs.

AMD B8501Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026

AMD X870E1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: AMD X870E Chipset.

Supported processorsiProcessor series the maker lists for the board, one item per series in the chip maker's name. BIOS updates can add series later.

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.

AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, CPU: AMD Ryzen 9000, 8000 and 7000 Series Desktop Processors. The manual says to check msi.com for the newest support status. Read on 2026-10-15. BIOS updates can add series later.

CPU overclockingiThe board allows multiplier overclocking of an unlocked CPU. Memory overclocking alone does not count.

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.

Yes11Press articleguru3d.com/review/colorful-igame-x870e-vulcan-w-oc-v14-review/page-2Read 15 October 2026AMD X870E Chipset Overview table: CPU overclocking Yes, memory overclocking Yes. This is the chipset maker's feature, shown in a review of another X870E board.

Board

1 of 5 differ

Form factoriThe maker's stated board standard. Other covers sizes such as XL-ATX or Mini-DTX.

ATX1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026

ATX1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: ATX Form Factor, 9.6 in. x 12 in. (244 mm x 305 mm).

Board dimensionsiSize of the board itself. Height runs along the rear I/O edge, as the board stands in a tower case. ATX is 244 mm wide and 305 mm high. Micro ATX is 244 mm high and up to 244 mm wide. A size with a cover that reaches past the board, as NZXT prints, is not used when the maker also states the board size.

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).

Width244Height305mm(9.6 × 12 in)2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026PCB Info: ATX 243.84mm x 304.8mm. The manual prints 9.6 in. x 12 in. (244 mm x 305 mm), and that rounded figure is stored.

PCB layersiCopper layers in the circuit board as published.

62Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 2026Overview page: Six-layer PCB design.

82Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Key features, German text: 8 Schichten Server Niveau PCB mit 2 oz verdicktem Kupfer (8-layer server-grade PCB with 2 oz thickened copper). The English UK page says 8-layer PCB made by 2oz thickened copper.3Maker product pageuk-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Key features: 8-layer PCB made by 2oz thickened copper and server-grade level material.5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Page 1: a black 8-layer server-grade PCB.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 20268-layer PCB (NPG-170D) with 2oz thickened copper.

Back-connect designiPower, fan and front-panel connectors sit on the back of the board to hide the cables, e.g. ASUS BTF, MSI Project Zero or GIGABYTE Stealth. It needs a case made for it.

No3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/B850_MAX_GAMING_WIFI_W/E25801_B850_MAX_GAMING_WIFI_W_EM_WEB.pdfRead 15 October 2026The layout in chapter 1 shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.

No1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026The Overview of Components chapter shows the usual front-side power, fan and USB connectors. The back-connect design is a separate model, MAG X870E TOMAHAWK MAX WIFI PZ.

RGB lighting on the boardiLEDs on the board itself. Headers for external lighting are counted under Internal connectors. True only when the maker's spec or feature list names lighting on the board. A single small LED that a reviewer sees does not count.

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.

No5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Page 1: no integrated RGB lighting, only headers.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026No onboard RGB, but connectors allow you to connect your own.

Power delivery

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Power stage layoutiAs the maker publishes it, e.g. 18+2+2. The first number is the CPU core (Vcore) rail. Makers group the other rails differently, so compare the first number. Doubled or teamed stages are written as the maker prints them, such as MSI's 12+2+1 Duet Rail. A review's count of real phases goes in the source note.

8+2+12Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-wRead 15 October 20268+2+1 phase digital power design with discrete MOSFETs: 8 Vcore power, 2 SOC power and 1 Misc power, with Digi+ VRM control.

14+2+12Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Key features: 14+2+1 Duet Rail Power System, dual 8-pin CPU power connectors.

CPU core (Vcore) power stagesiPower stages on the Vcore rail. Makers call them phases or power stages. A doubled design has more stages than controller phases. Use the first number of the maker's layout, such as 14 for MSI's 14+2+1 Duet Rail. A review's different count goes in the source note.

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.

145Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Page 1: 17 phases, 14 of which are dedicated to Vcore (14x 80A SPS MOSFETs for Vcore in the spec table).7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026The board uses a 14+2+1 duet-rail design, with 14x 80A SPS for the CPU Vcore. In this design two stages receive the same signal from the PWM controller.

Vcore power stage ratingiCurrent rating of each Vcore power stage. Only a figure the maker or a copy of the maker's text states. A review's reading of the chip markings is not enough.

Not available

80A5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Page 1 spec table: 14x 80A SPS MOSFETs for Vcore. The text says 80A MPS MPS2433 stages and 1,120A in total.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 202614x 80A SPS for Vcore, MPS MP87670 stages, 1,120A in total.9Reviewnoticias3d.com/articulo/3856/msi-mag-x870e-tomahawk-wifi-review-rendimiento-precio-mejor-chipset.htmlRead 15 October 2026Review text: 14 phases of 80A smart power stages with digital control and a 14+2+1 layout.10Retailer pageamazon.com/dp/B0DT55ZJM7Read 15 October 2026About this item (MSI's text): 14 Duet Rail Power System (80A, SPS) VRM for the AMD X870E chipset.

VRM controlleriPWM controller chip with maker, e.g. MPS MP2857. One name: the maker's when published, otherwise the one name a review uses. No parentheses. Other names go in the source note. Use the part number without the date code in the chip marking.

Not available

MPS MPS24125Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Page 1: power goes to a Monolithic Power Systems (MPS) MPS2412 controller, then to the 80A MPS2433 stages. Written MPS MPS2412 like the same chip on other products. Tech4Gamers names MPS MP87670 stages and no controller. MSI does not name the controller.

CPU power connectorsiEPS 12 V connectors for the CPU as pin counts, e.g. 8+8 pin, 8+4 pin or 8 pin.

8+4 pin1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Internal connectors: 1 x 8-pin +12V CPU power connector and 1 x 4-pin +12V CPU power connector, plus the 24-pin main power connector.

8+8 pin1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Power Connectors: 1x 24-pin ATX main, 2x 8-pin +12V and 1x 8-pin PCIe power connector.

Extra slot power connectoriA PCIe or other power connector on the board that feeds the expansion slots. The 24-pin and CPU connectors do not count. A connector the maker ties only to a front USB-C header does not count.

No1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The complete internal connector list has no extra slot power connector.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: 1x 8-pin PCIe power connector (PCIE_PWR1).

Memory

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Memory type

DDR51Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026

DDR51Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Memory: DDR5.

Memory slotsiDIMM slots on the board.

41Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026

41Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Memory: 4x DDR5 memory slots.

Max memoryiMaximum total capacity the maker states for the board. The maker's product page wins over an older manual, since a BIOS update can raise the value.

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.

256GB1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Memory: supporting up to 256GB.2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Memory: 4x DDR5 UDIMM, Maximum Memory Capacity 256GB.

Max memory speed (overclocked)iHighest overclocked speed the maker lists for one module per channel, with the newest CPU family the board is sold for, e.g. Ryzen 9000 or Core Ultra 200S. Ryzen 8000 values are never used. The source note names the family and the other module setups. It is not the CPU's official speed. A JEDEC-only list such as 5600/4800 is not this value. When the maker lists a manual overclock and a memory profile speed, the higher one is stored. The maker's product page wins over an older manual, since a BIOS update can raise the value. A table that names the CPU family wins over a headline speed that names none.

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.

8,400MT/s2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Ryzen 9000 Series processors max. overclocking frequency: 1DPC 1R up to 8400+ MT/s, 1DPC 2R and 2DPC 1R up to 6400+ MT/s and 2DPC 2R up to 4800+ MT/s. The 8400 value is stored. The table also lists DDR5 8400 to 5600 (OC) and 5600 to 4800 (JEDEC).

ECC memoryiThe board runs unbuffered ECC modules with ECC active. A board that runs ECC modules in non-ECC mode does not count. DDR5 on-die ECC does not count. A maker list of ECC and non-ECC unbuffered memory with no non-ECC mode qualifier counts as true, as on ASUS and ASRock AM5 boards. A note that ECC mode depends on the CPU, as ASUS writes for AM4 boards, still counts as true.

Yes1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The page says ECC and Non-ECC Un-buffered DIMM. It does not say how ECC works with each CPU. Same reading as the ASUS TUF GAMING B850-PLUS WIFI product. Non-ECC DDR5 supports On-Die ECC, which does not count.

No1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Memory: supports Non-ECC, Un-buffered memory.

CUDIMM supportiThe board runs clocked unbuffered DIMMs (CUDIMM) with the clock driver active. Clock driver bypass mode only does not count. A plain "Supports CUDIMM" with no bypass limit, as ASRock and ASUS write it, counts as true.

Not available

No1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Memory: supports CUDIMM, Clock Driver bypass mode only.

Expansion slots

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Expansion slotsiPhysical card slots. Storage M.2 slots are listed under Storage. The M.2 slot of a pre-installed Wi-Fi module is not listed. A full-length slot wired for x4 is PCIe x16 with 4 lanes.

AASUS B850 MAX GAMING WIFI W

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.

BMSI MAG X870E TOMAHAWK WIFI

Physical slot	Electrical lanes	PCIe generation	Connected to	Count
PCIe x16	16	5	CPU	1
PCIe x16	1	3	Chipset	1
PCIe x16	4	4	Chipset	1

Source1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Expansion Slots: 3x PCIe x16 slots. PCI_E1 from the CPU supports up to PCIe 5.0 x16 on Ryzen 9000 and 7000 (PCIe 4.0 x8 on Ryzen 8700, 8600 and 8400, and PCIe 4.0 x4 on Ryzen 8500 and 8300). PCI_E2 from the X870E chipset supports up to PCIe 3.0 x1. PCI_E3 from the chipset supports up to PCIe 4.0 x4. All three are full-length slots. The pre-installed Wi-Fi module sits in an M.2 Key-E slot, which is not listed.2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Slot table: 3x PCI-E x16. PCI_E1 PCIe 5.0 x16 from the CPU, PCI_E2 PCIe 3.0 x1 and PCI_E3 PCIe 4.0 x4, both from the chipset.

Full-length PCIe slotsiCounts full-length slots, whatever their lane count.

4=CalculatedFrom Expansion slots

3=CalculatedFrom Expansion slots

Fastest PCIe x16 slot generationiHighest PCIe generation of a full-length slot. This is normally the graphics card slot.

5=CalculatedFrom Expansion slots

5=CalculatedFrom Expansion slots

Storage

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M.2 storage slotsiOne row per M key storage slot on the board, front or back. Slots on an included add-in card are not listed. Values are with the CPU family that gives the board its full connectivity. A slot listed for 25110 counts as M.2 22110. A slot listed for 2260 counts as M.2 2280.

AASUS B850 MAX GAMING WIFI W

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.

BMSI MAG X870E TOMAHAWK WIFI

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink	Shares lanes with
M2_1	5	4	CPU	M.2 22110	No	Yes	Not available
M2_2	5	4	CPU	M.2 2280	No	Yes	Rear USB 40Gbps Type-C ports. Both run at PCIe 5.0 x2 when a device is installed in M2_2. Setting M2_2 to x4 in the BIOS turns off the USB 40Gbps Type-C ports
M2_3	4	4	Chipset	M.2 2280	No	Yes	Not available
M2_4	4	4	Chipset	M.2 2280	No	Yes	Not available

Source1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, M.2 SSD Slots: M2_1 and M2_2 from the CPU, PCIe 5.0 x4 on Ryzen 9000 and 7000. M2_3 and M2_4 from the X870E chipset, PCIe 4.0 x4. M2_1 takes 2280 and 22110, the others 2260 and 2280. M2_1 is PCIe 4.0 x4 on Ryzen 8000. M2_2 is PCIe 4.0 x4 on Ryzen 8700, 8600 and 8400 and unavailable on Ryzen 8500 and 8300. The USB 40Gbps Type-C ports and M2_2 share PCIe 5.0 x4 bandwidth (footnote). No slot lists an M.2 SATA mode. The M.2 chapter shows heatsinks on all four slots: a screwless M.2 Shield Frozr over M2_1, one screwed heatsink over M2_2 and M2_3, and a screwless one over M2_4.2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Storage table: M.2_1 from the CPU (22110/2280), M.2_2 from the CPU (2280/2260), M.2_3 and M.2_4 from the chipset (2280/2260). The USB 40Gbps Type-C ports and M.2_2 share PCIe 5.0 x4 bandwidth.5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026The text confirms two PCIe 5.0 x4 and two PCIe 4.0 x4 sockets and that M2_2 shares bandwidth with the 40 Gbps USB ports. It also says M.2_3 borrows lanes from the bottom PCIe slot and runs at PCIe 4.0 x2. MSI's manual and spec text say M.2_3 supports up to PCIe 4.0 x4, and Tech4Gamers says there is no bandwidth sharing between the PCIe and M.2 slots. The maker's figure is stored and this conflict is not.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026All the M.2 slots come with dedicated heatsinks. The top and bottom ones are removed with a push (EZ M.2 Shield Frozr II) and the middle one has four screws. The intro says there is no bandwidth sharing between the PCIe and M.2 slots, which leaves out the maker's USB 40Gbps sharing with M2_2.9Reviewnoticias3d.com/articulo/3856/msi-mag-x870e-tomahawk-wifi-review-rendimiento-precio-mejor-chipset.htmlRead 15 October 2026Review text (Spanish): all four NVMe slots have cooling, and the main slot (22110) has an extra lower thermal pad.

M.2 slots

3=CalculatedFrom M.2 storage slots

4=CalculatedFrom M.2 storage slots

PCIe 5.0 M.2 slots

1=CalculatedFrom M.2 storage slots

2=CalculatedFrom M.2 storage slots

SATA portsiSATA 6Gb/s connectors on the board. SlimSAS connectors and M.2 slots that take SATA drives do not count.

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.

41Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: 4x SATA 6Gb/s ports (from X870E chipset).

Rear ports

5 of 5 differ

Rear portsiPhysical connectors on the rear I/O panel. Wi-Fi antenna connectors and buttons are not ports. 3.5 mm audio counts analog jacks of any role. A video input, such as the DisplayPort In of a Thunderbolt board, is Other.

AASUS B850 MAX GAMING WIFI W

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.

BMSI MAG X870E TOMAHAWK WIFI

Type	Version	Count	Max link rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
USB-C	USB4	2	40	USB4	Yes
USB-C	USB 3.2 Gen 2	1	10	Not available	Not available
USB-A	USB 3.2 Gen 2	2	10	Not available	Not available
USB-A	USB 3.2 Gen 1	3	5	Not available	Not available
USB-A	USB 2.0	4	0.48	Not available	Not available
HDMI	HDMI 2.1	1	Not available	Not available	Not available
Ethernet (RJ45)	Not available	1	5	Not available	Not available
3.5 mm audio	Not available	2	Not available	Not available	Not available
Optical S/PDIF	Not available	1	Not available	Not available	Not available

Source1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Back Panel Connectors: 1x HDMI, 1x USB 10Gbps Type-A from the CPU and 1x from the chipset, 3x USB 5Gbps Type-A, 2x USB 40Gbps Type-C (ASM4242, supporting DisplayPort over USB Type-C), 4x USB 2.0 Type-A, 1x USB 10Gbps Type-C, 1x 5G LAN (RJ45), 2x audio jacks (line-out and mic-in), 1x optical S/PDIF out. Onboard graphics: HDMI 2.1 with FRL up to 8K 60Hz, and USB4 ports with DisplayPort 1.4 HBR3 up to 4K 60Hz, only on processors with integrated graphics. MSI calls the 40Gbps ports USB4 and does not say Thunderbolt.2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026USB list: 4x USB 2.0 rear, 3x USB 5Gbps Type-A rear, 2x USB 10Gbps Type-A rear, 1x USB 10Gbps Type-C rear, 2x USB 40Gbps Type-C rear. HDMI 2.1 FRL up to 8K 60Hz. The USB4 ports support DisplayPort 1.4 with HBR3.

Rear USB ports

8=CalculatedFrom Rear ports

12=CalculatedFrom Rear ports

Rear USB-C portsiIncludes Thunderbolt and USB4 ports.

1=CalculatedFrom Rear ports

3=CalculatedFrom Rear ports

Fastest rear USB port

10Gbps=CalculatedFrom Rear ports

40Gbps=CalculatedFrom Rear ports

ThunderboltiThunderbolt on the rear panel. A header for an add-in card does not count.

Not available

No=CalculatedFrom Rear ports

Internal connectors

4 of 5 differ

Internal USB headersiHeaders for front-panel USB ports. The header count may be left out when the maker states only the front ports served.

AASUS B850 MAX GAMING WIFI W

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

Source1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Front USB: 1 x USB 5Gbps connector (supports USB Type-C), 1 x USB 5Gbps header for 2 ports and 3 x USB 2.0 headers for 6 ports. The board also has a Thunderbolt (USB4) header for an add-in card, which has no row in this field.

BMSI MAG X870E TOMAHAWK WIFI

Header	Max data rate (Gbps)	Headers	Front ports served	Power out (W)
USB-C header	20	1	1	27
USB 3 header (19-pin)	5	2	4	Not available
USB 2.0 header (9-pin)	0.48	2	4	Not available

Source1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Internal USB Connectors: 1x USB 20Gbps Type-C front panel port (JUSBC1, USB PD 27W fast charging), 2x USB 5Gbps connectors (four more ports) and 2x USB 2.0 connectors (four more ports).

Front USB-C header speed

5Gbps=CalculatedFrom Internal USB headers

20Gbps=CalculatedFrom Internal USB headers

Fan headersiAll fan and pump headers on the board, including CPU, CPU optional, AIO pump and chassis fan headers. Combination connectors that carry fan power together with other lines, such as MSI EZ Conn, do not count. A header that drives several fans, such as GIGABYTE 3_FANS, counts once. Headers on a hub that ships with the board and plugs into it, such as MSI's EZ CONTROL HUB, count. The source note splits board and hub.

71Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026CPU fan, CPU OPT fan, AIO pump and 4 chassis fan headers, all 4-pin.

81Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, Fan Connectors: 1 CPU fan, 1 pump/system fan and 6 system fan connectors make 8. The JAF_2 EZ Conn-Header V2 carries fan, ARGB and USB 2.0 lines together and is not counted.

ARGB headersi3-pin 5 V addressable RGB headers. Combination connectors do not count. Headers on a hub that ships with the board and plugs into it, such as MSI's EZ CONTROL HUB, count. The source note splits board and hub.

31Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 20263 x Addressable RGB Gen 2 headers.

31Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, LED Features: 3x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors.

RGB headersi4-pin 12 V RGB headers. Headers on a hub that ships with the board and plugs into it, such as MSI's EZ CONTROL HUB, count. The source note splits board and hub.

01Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026The complete internal connector list has 3 Addressable RGB Gen 2 headers and no 12 V RGB header.

11Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, LED Features: 1x 4-pin RGB LED connector.

Networking

6 of 9 differ

Ethernet controllersiOne item per Ethernet chip, as maker plus chip family without suffix letters, e.g. Realtek RTL8126 or Realtek RTL8125. Suffixes and revisions go in the source note. Leave it empty when no maker document or review names the chip. A Killer chip is written with Intel as its maker, such as Intel Killer E3100G.

Realtek RTL81254Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/helpdesk_downloadRead 15 October 2026The ASUS driver download page for this model, read through its public data feed, lists a Realtek RTL8125 LAN driver and a Realtek RTL8125D LAN driver for Windows 11. The suffix D is left out. The specification page says only Realtek 2.5Gb Ethernet.

Realtek RTL81261Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: 1x Realtek 8126 5Gbps LAN controller. Tom's Hardware writes the part as 8126VB. Stored as the chip family RTL8126.5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Page 1 spec table: Realtek 8126VB (5 GbE).7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026Spec table: Realtek 8126VB 5G LAN.

Ethernet ports

1=CalculatedFrom Rear ports

1=CalculatedFrom Rear ports

Ethernet speediFastest Ethernet port.

2.5Gbps=CalculatedFrom Rear ports

5Gbps=CalculatedFrom Rear ports

Wi-Fi includediA Wi-Fi module comes installed. A board sold with and without Wi-Fi is two products.

Yes1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026A Wi-Fi module is listed on the back panel (1 x Wi-Fi module).

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: the Wireless module is pre-installed in the M.2 (Key-E) slot.

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 71Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: Wi-Fi 7, 802.11 a/b/g/n/ac/ax/be.

Wi-Fi bandsiBands the installed module supports.

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.

2.4 GHz, 5 GHz, 6 GHz1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: 2.4GHz/5GHz/6GHz (320MHz). 6GHz support may depend on each country's regulations.

Max Wi-Fi channel widthiWidest channel the installed module supports, e.g. 320 or 160. It follows the Wi-Fi module, so a board revision can change it.

Not available

320MHz1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: 320MHz on the 6GHz band, up to 5.8Gbps.

Wi-Fi moduleiChip as published. A board revision can change the chip. One name: the maker's when published, otherwise the one name a review uses. No parentheses. Other names go in the source note. Use the chip's part number with its maker when any source gives it, such as Qualcomm QCNCM865 for a module also written NCM865. A platform name such as FastConnect 7800 is used only when no part number is published.

MediaTek MT79224Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/helpdesk_downloadRead 15 October 2026The same list has a MediaTek MT7922 WiFi driver and a MediaTek MT7922 Bluetooth driver for Windows 10 and 11. The specification page names no module. The Wi-Fi 6E 2x2 and Bluetooth 5.3 specifications fit the MT7922.

Not available

BluetoothiVersion of the Bluetooth radio on the Wi-Fi module.

5.31Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026Bluetooth v5.3. The page says the version may vary and refers to the Wi-Fi module maker.

5.41Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: Bluetooth 5.4. MSI says the version may be updated by the Wi-Fi chip vendor.

Audio

1 of 2 differ

Audio codeciMaker and model, e.g. Realtek ALC4080. A board revision can change the codec.

Not available

Realtek ALC40801Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications: Realtek ALC4080, 7.1-channel USB high performance audio.

DAC chipiA separate DAC chip next to the codec, e.g. ESS ES9219. Maker plus part number as the maker writes it, with suffix letters, e.g. ESS ES9219Q. A marketing name that stands for a part number is written as the part number, so ESS SABRE9219 is ESS ES9219 and the maker wording goes in the source note. Leave it empty on boards with only a codec.

Not available

Not available

Features

3 of 7 differ

BIOS flashbackiA button that updates the BIOS from a USB drive without a CPU or memory installed. Maker names include BIOS FlashBack, Flash BIOS Button and Q-Flash Plus.

Yes1Maker product pageasus.com/us/motherboards-components/motherboards/all-series/b850-max-gaming-wifi-w/techspecRead 15 October 2026BIOS FlashBack button on the back panel.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Back panel list: Flash BIOS button.

Clear CMOS button (rear)iA button on the rear panel that resets the BIOS settings. A jumper or header does not count. A board whose only clear CMOS button sits on the board itself is false.

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.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Back panel list: Clear CMOS button. The jumper JBAT1 is not what is stored.

POST code displayiA two-digit display that shows boot codes, e.g. ASUS Q-Code or ASRock Dr. Debug. Single status LEDs do not count. Taken from the maker's spec or manual only. A review spec table is not enough.

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.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026LED Features: 1x EZ Digi-Debug LED, with a debug code table in the Onboard LEDs chapter. It is a two-digit display. The 4 EZ Debug LEDs are single status LEDs.5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Spec table: Diagnostics Panel with 4 Post Status LEDs and a 2-character Debug LED.9Reviewnoticias3d.com/articulo/3856/msi-mag-x870e-tomahawk-wifi-review-rendimiento-precio-mejor-chipset.htmlRead 15 October 2026Review text: the board has debug with a numeric code.

Power button on the boardiA power or start button on the board itself, for use outside a case. A button with another label counts when the maker says it can turn the PC on, such as GIGABYTE's quick button labelled RESET. A button on the rear I/O panel counts. A button on a module that ships fitted to the board, such as MSI's EZ BRIDGE, counts.

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.

No1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026The Overview of Components and Onboard LEDs chapters list no power or start button on the board. The rear Clear CMOS and Flash BIOS buttons and the EZ PCIe Release button are the only buttons.

Dual BIOSiTwo BIOS chips, so the board can start from the second chip after a failed update. Two flash chips alone do not count.

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.

No1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Specifications, BIOS Features: 1x 256 Mb flash. No second BIOS is listed.

Pre-installed I/O shieldiThe rear I/O shield is fixed to the board.

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.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Special Features, EZ DIY: Pre-installed I/O Shield.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026The I/O shield is stainless steel and comes preinstalled on the board.

Tool-free featuresiM.2 latch holds a drive without a screw. M.2 heatsink comes off without a tool. PCIe slot release is a button or lever that frees the graphics card. Push-on antenna connector fits the Wi-Fi antenna without screwing.

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.

Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Special Features, EZ DIY: EZ M.2 Clip II, EZ PCIe Release, and thermal feature M.2 Shield Frozr. Two M.2 heatsinks are screwless and the heatsink over M2_2 and M2_3 needs a screwdriver. The EZ Antenna is plugged in with a tight connection and the connector type is not stated, so the push-on antenna option is not set.2Maker product pagede-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Key features: EZ DIY with EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Release and EZ Antenna.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026EZ PCIe release button on the primary slot. Top and bottom M.2 heatsinks are tool-free (EZ M.2 Shield Frozr II) and the middle one is screw-secured.10Retailer pageamazon.com/dp/B0DT55ZJM7Read 15 October 2026About this item: double-sided EZ M.2 Shield Frozr II and EZ M.2 Clip II.

Measured

3 of 3 differ

VRM temperature under CPU loadiHighest VRM temperature a reviewer measured during a sustained all-core CPU stress test at stock settings. Compare only results from the same reviewer and CPU. The reviewer's probe reading when given, otherwise the board sensor. The sensor and the CPU package power during the test go in the source note.

Not available

55°C6Measurementtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-review/3Read 15 October 2026Page 3: AIDA64 System Stability Test, all threads, 30 minutes, stock CPU. The Ryzen 9 9900X peaked at approximately 55 C on Tom's sensors (thermocouples on the VRM) and 60 C on the board's internal sensor. The CPU averaged around 155 W (the chart shows about 26 C ambient). The thermocouple reading is stored. Test system: Ryzen 9 9900X, Arctic Liquid Freezer II 420, Crucial T705 2TB, RTX 4080, EVGA 850 W PSU, BIOS with AGESA 1.2.0.3c, default settings with the memory EXPO profile on.

Power draw idleiWhole test system at the wall at idle, measured by a reviewer. Compare only results from the same reviewer and CPU. A chart of CPU and board power without a wall meter does not count.

Not available

80W6Measurementtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-review/3Read 15 October 2026Page 3 Power Consumption chart, MSI X870E Tomahawk Wifi: idle 80 W. Whole PC at the wall with a Kill-A-Watt meter, monitor excluded, Windows balanced power plan. The text of the page quotes 264 W and 80 W for the B850 Tomahawk MAX, which looks like a copy error, because the chart gives 74 W and 250 W for the B850 Tomahawk and 80 W and 264 W for this board.

Power draw CPU stressiWhole test system at the wall at the peak of a CPU stress test, measured by a reviewer. The graphics card is not loaded. Compare only results from the same reviewer and CPU. A chart of CPU and board power without a wall meter does not count.

Not available

264W6Measurementtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-review/3Read 15 October 2026Page 3 Power Consumption chart, MSI X870E Tomahawk Wifi: load 264 W peak (average 172 W) in the AIDA64 System Stability Test with CPU, FPU, cache and memory stressed. Whole PC at the wall with a Kill-A-Watt meter, Ryzen 9 9900X at stock settings, graphics card not loaded.

In the box

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In the boxiItems as the maker lists them.

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.

Quick installation guide, European Union Regulatory Notices, USB drive, 2 x SATA cables, EZ Front Panel Cable, 1 to 3 EZ Conn-Cable (V2), EZ Wi-Fi Antenna, EZ M.2 Clip II Remover, M.2 Plate Screw1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026Package Contents: motherboard, quick installation guide, EU regulatory notices, USB drive, 2 SATA cables, EZ Front Panel Cable, 1 to 3 EZ Conn-Cable (V2), EZ Wi-Fi Antenna, EZ M.2 Clip II Remover and M.2 plate screw. Tom's Hardware and Tech4Gamers also list cable stickers, which the manual leaves out.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026Unboxing: quick installation guide, EU regulatory notice, 2 SATA data cables, EZ M.2 Clip II remover, M.2 plate screw, EZ WiFi antenna, 1-to-3 EZ Conn-Cable (V2), EZ front panel cable, USB drive, cable stickers and a flyer. It confirms the maker's list.

Links

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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.

www.msi.com/Motherboard/MAG-X870E-TOMAHAWK-WIFI13Maker product pagemsi.com/Motherboard/MAG-X870E-TOMAHAWK-WIFIRead 15 October 2026The link appears in web search results for this model. msi.com blocks agents, so the page was not read and its content is not used for any value.

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

storage-asset.msi.com/specSheet/it/mb/MAG%20X870E%20TOMAHAWK%20WIFI.pdf13Maker product pagemsi.com/Motherboard/MAG-X870E-TOMAHAWK-WIFIRead 15 October 2026MSI's spec sheet PDF (Italian version) and datasheet appear in web search results. They are on msi.com's file host, which was not opened, and no value comes from them.

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.

www.trovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdf1Owner's manualtrovaprezzi.it/manuali/msi_mag_x870e_tomahawk_wifi.pdfRead 15 October 2026MSI MAG X870E TOMAHAWK WIFI User Guide, hosted by trovaprezzi.it. The maker's own manual page was not readable.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

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.

3years3Maker product pageuk-store.msi.com/products/mag-x870e-tomahawk-wifiRead 15 October 2026Warranty: 3-year warranty.5Reviewtomshardware.com/reviews/msi-x870e-tomahawk-wifi-motherboard-reviewRead 15 October 2026Spec table: Warranty 3 Years.7Reviewtech4gamers.com/msi-mag-x870e-tomahawk-wifi-reviewRead 15 October 2026Pros and spec notes: warranty 3 years.10Retailer pageamazon.com/dp/B0DT55ZJM7Read 15 October 2026Warranty Description: 3 Year Manufacturer.

Both are also in the API. Back to all motherboards.