Motherboards / Compare
ASRock B850 Pro RS WiFi vs MSI PRO B850-S WIFI6E
Product A: ASRock
62 of 78 known
GIGABYTE X870 AORUS STEALTH ICE
GIGABYTE X870E AORUS MASTER X3D ICE
GIGABYTE X870E AORUS ELITE X3D
GIGABYTE X870E AORUS PRO X3D ICE
ASUS TUF GAMING X870E-PLUS WIFI7
ASRock X870 Taichi Creator
ASUS B850 MAX GAMING WIFI W
ASUS ROG Crosshair X870E Dark Hero
MSI MAG X870E GAMING PLUS MAX WIFI
NZXT N9 X870E
ASUS B650E MAX GAMING WIFI
MSI MPG X870E CARBON MAX WIFI
Change ASRock B850 Pro RS WiFi
Compare the MSI PRO B850-S WIFI6E with
GIGABYTE X870 AORUS STEALTH ICE
GIGABYTE X870E AORUS MASTER X3D ICE
GIGABYTE X870E AORUS ELITE X3D
GIGABYTE X870E AORUS PRO X3D ICE
ASUS TUF GAMING X870E-PLUS WIFI7
ASRock X870 Taichi Creator
ASUS B850 MAX GAMING WIFI W
ASUS ROG Crosshair X870E Dark Hero
MSI MAG X870E GAMING PLUS MAX WIFI
NZXT N9 X870E
ASUS B650E MAX GAMING WIFI
MSI MPG X870E CARBON MAX WIFIProduct B: MSI
62 of 78 known
GIGABYTE B850 AORUS ELITE WIFI7
GIGABYTE B850 AORUS ELITE WIFI7 ICE
ASRock X870 Pro RS WiFi
MSI MAG X870E TOMAHAWK WIFI
MSI MAG B850 TOMAHAWK MAX WIFI
ASUS TUF GAMING B850-PLUS WIFI
ASUS PRIME B840-PLUS WIFI
ASUS ROG STRIX B850-A GAMING WIFI
MSI MAG X870 TOMAHAWK WIFI
GIGABYTE X870 AORUS ELITE WIFI7
GIGABYTE B850 EAGLE WIFI6E
GIGABYTE X870 AORUS STEALTH ICE
Change MSI PRO B850-S WIFI6E
Compare the ASRock B850 Pro RS WiFi with
GIGABYTE B850 AORUS ELITE WIFI7
GIGABYTE B850 AORUS ELITE WIFI7 ICE
ASRock X870 Pro RS WiFi
MSI MAG X870E TOMAHAWK WIFI
MSI MAG B850 TOMAHAWK MAX WIFI
ASUS TUF GAMING B850-PLUS WIFI
ASUS PRIME B840-PLUS WIFI
ASUS ROG STRIX B850-A GAMING WIFI
MSI MAG X870 TOMAHAWK WIFI
GIGABYTE X870 AORUS ELITE WIFI7
GIGABYTE B850 EAGLE WIFI6E
GIGABYTE X870 AORUS STEALTH ICE30 of 70 fields differ
- 21 different values
- 9 known for one only
- 32 the same
- 8 missing for both
Biggest differences
Each bar uses the scale of all 87 motherboards.
- M.2 slotsA: 4B: 2ASRock has 2 more.
- Rear USB-C portsA: 2B: 1ASRock has 1 more.
- Rear USB portsA: 12B: 8ASRock has 4 more.
- Vcore stagesA: 14B: 12ASRock has 2 more.
- Fan headersA: 7B: 6ASRock has 1 more.
Size, drawn to scale
Front and side.
- AASRock: 244 × 305 mm
- BMSI: 244 × 305 mm
All 78 fields
Every value links to where we found it.


General
2 of 9 differ
Series
Model numbers
B850 Pro RS WiFi, 90-MXBQL0-A0UAYZ1Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026Manual cover: B850 Pro RS WiFi. The order code 90-MXBQL0-A0UAYZ comes from the retailer listings below.5Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asrock-amd-am5-b850-pro-rs-wifi-1425695Read 15 October 2026Product code 90-MXBQL0-A0UAYZ.6Retailer pageshop.mnetworks.dk/asrock-b850-pro-rs-wifi/cat-p/c/p1005560262Read 15 October 2026Part number 90-MXBQL0-A0UAYZ.
PRO B850-S WIFI6E, 7E80-002R, 911-7E80-0021Owner's manualgzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdfRead 14 October 2026The manual names only PRO B850-S WIFI6E. The board's PCB print reads MS-7E80.3Maker product pagees-store.msi.com/products/pro-b850-s-wifi6eRead 14 October 2026MSI Spain store SKU 911-7E80-002, which is MSI's order code. The part number 7E80-002R comes from Heise's price comparison and European retailers.4Spec databasepreisvergleich.heise.de/3553395Read 14 October 2026Model number 7E80-002R.
GTIN / EAN
47115814901786Retailer pageshop.mnetworks.dk/asrock-b850-pro-rs-wifi/cat-p/c/p1005560262Read 15 October 2026Lists EAN 4711581490178 for part number 90-MXBQL0-A0UAYZ.7Retailer pagekomputronik.pl/product/955011/plyta-glowna-asrock-b850-pro-rs-wifi.htmlRead 15 October 2026Lists Kod EAN 4711581490178 for manufacturer code B850 Pro RS WiFi.
Announced
Not available
Not available
Status
Available4Reviewtech2geek.net/asrock-b850-pro-rs-wi-fi-review-the-budget-motherboard-that-nails-am5-performanceRead 15 October 2026Review of 2025-11-28 with an Amazon price of $159. The board was on sale then.5Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asrock-amd-am5-b850-pro-rs-wifi-1425695Read 15 October 2026The listing shows 10 pieces available to order on 2026-10-15.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Not available
Not available
Segment
Board revision
Not available
Not available
Platform
0 of 4 differ
CPU socket
Chipset
Supported processors
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026Specifications, page 2: AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors. The manual refers to the maker's website for the CPU support list. Read on 2026-10-15.
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Owner's manualgzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdfRead 14 October 2026Specifications, CPU row: AMD Ryzen 9000/8000/7000 Series Desktop Processors, socket AM5. The manual points to msi.com for the newest support list. Read on 2026-10-14.
CPU overclocking
Board
2 of 5 differ
Form factor
Board dimensions
Width244Height305mm(9.6 × 12 in)2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026Spec table: size 305 mm x 244 mm, ATX.6Retailer pageshop.mnetworks.dk/asrock-b850-pro-rs-wifi/cat-p/c/p1005560262Read 15 October 2026ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm.7Retailer pagekomputronik.pl/product/955011/plyta-glowna-asrock-b850-pro-rs-wifi.htmlRead 15 October 2026Dimensions table: 244 mm and 305 mm.12Retailer pagecomputermania.co.za/products/asrock-b850-pro-rs-wi-fi-atx-motherboard-amd-am5-ddr5-pcie-5-0Read 15 October 2026Spec copy: ATX Form Factor (30.5 cm x 24.4 cm).
Width244Height305mm(9.6 × 12 in)1Owner's manualgzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdfRead 14 October 2026Specifications: 244 mm x 305 mm. MSI's Spain store and the TET listing give 243.84 x 304.8 mm, the exact conversion of 9.6 x 12 in.3Maker product pagees-store.msi.com/products/pro-b850-s-wifi6eRead 14 October 2026ATX, 243.84 x 304.8 mm, the exact conversion of 9.6 x 12 in.
PCB layers
81Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026Specifications, page 2: 8 Layer PCB.2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026Text: an 8-layer PCB design.4Reviewtech2geek.net/asrock-b850-pro-rs-wi-fi-review-the-budget-motherboard-that-nails-am5-performanceRead 15 October 2026A black 8-layer PCB.
Back-connect design
RGB lighting on the board
Yes2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026The text says the board has RGB lighting under the armor of the 3rd and 4th M.2 slots. Tech2Geek describes an aRGB zone on the shared M.2 heatsink. The maker's text that was readable names only the Polychrome RGB headers.4Reviewtech2geek.net/asrock-b850-pro-rs-wi-fi-review-the-budget-motherboard-that-nails-am5-performanceRead 15 October 2026An aRGB zone is integrated in the heatsink shared by two M.2 slots, with customizable lighting. The box names Polychrome Sync aRGB technology.
Power delivery
4 of 6 differ
Power stage layout
14+2+12Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026The same 14+2+1 power phase design with the same 80A SPS for VCore, SOC and MISC.4Reviewtech2geek.net/asrock-b850-pro-rs-wi-fi-review-the-budget-motherboard-that-nails-am5-performanceRead 15 October 2026Two aluminum heatsinks cool the power delivery (14 + 2 + 1, SPS 80A for Vcore, SOC and MISC), with no heatpipe between them.5Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asrock-amd-am5-b850-pro-rs-wifi-1425695Read 15 October 2026The shop copies ASRock's feature text: 14+2+1 Phase Power Design, 80A Dr.MOS for VCore+SOC+MISC.9Press articleweekly.ascii.jp/elem/000/004/244/4244804Read 15 October 2026Calls it the ATX model of the Pro RS series with a 14+2+1 phase power circuit using Dr.MOS.
CPU core (Vcore) power stages
142Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 202614 Vcore phases of the 14+2+1 design.4Reviewtech2geek.net/asrock-b850-pro-rs-wi-fi-review-the-budget-motherboard-that-nails-am5-performanceRead 15 October 202614 Vcore stages of the 14+2+1 design.5Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asrock-amd-am5-b850-pro-rs-wifi-1425695Read 15 October 2026The first number of 14+2+1 is the Vcore rail.
123Maker product pagees-store.msi.com/products/pro-b850-s-wifi6eRead 14 October 2026The 12 Duet Rail phases are the CPU (Vcore) rail. Heise's price comparison lists 12 power stages for VCORE, doubled from 6 real phases.4Spec databasepreisvergleich.heise.de/3553395Read 14 October 2026VRM row: 12+2+1, 14 virtual CPU phases (2x6+2) and 8 real CPU phases (6+2). 12 MOSFET power stages for VCORE, 2 for SOC and 1 for other uses. Heise names the stage rating as 55 A, which is not stored because it is a reading of the chip markings.
Vcore power stage rating
80A2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 202680A SPS for VCore, SOC and MISC.4Reviewtech2geek.net/asrock-b850-pro-rs-wi-fi-review-the-budget-motherboard-that-nails-am5-performanceRead 15 October 2026SPS 80A for Vcore, SOC and MISC.5Retailer pagearvutitark.ee/en/pc-components/motherboards/mb-asrock-amd-am5-b850-pro-rs-wifi-1425695Read 15 October 202680A Dr.MOS for VCore+SOC+MISC, as the shop copies ASRock's text.
Not available
VRM controller
Not available
CPU power connectors
Extra slot power connector
Memory
3 of 6 differ
Memory type
Memory slots
Max memory
Max memory speed (overclocked)
8,200MT/s2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/in/PRO-B850-S-WIFI6E.pdfRead 14 October 2026Memory Support: 4 DIMMs, Dual Channel DDR5 - 8200+ MT/s (OC). MSI's Spain store adds 1DPC 1R and a JEDEC range of 5600 to 4800 MT/s. The maker names no CPU family for the figure.3Maker product pagees-store.msi.com/products/pro-b850-s-wifi6eRead 14 October 20268200+ MT/s OC (1DPC 1R), 5600-4800 MT/s JEDEC. Dual-channel, non-ECC, AMD EXPO supported. No CPU family is named.
ECC memory
Expansion slots
2 of 3 differ
Expansion slots
AASRock B850 Pro RS WiFi
| Physical slot | Electrical lanes | PCIe generation | Connected to | Count |
|---|---|---|---|---|
| PCIe x16 | 16 | 5 | CPU | 1 |
| PCIe x16 | 4 | 4 | Chipset | 1 |
BMSI PRO B850-S WIFI6E
| Physical slot | Electrical lanes | PCIe generation | Connected to | Count |
|---|---|---|---|---|
| PCIe x16 | 16 | 4 | CPU | 1 |
| PCIe x16 | 4 | 4 | Chipset | 1 |
| PCIe x1 | 1 | 3 | Chipset | 1 |
Full-length PCIe slots
2
2
Fastest PCIe x16 slot generation
5
4
Storage
2 of 4 differ
M.2 storage slots
AASRock B850 Pro RS WiFi
| Slot | PCIe generation | PCIe lanes | Connected to | Longest drive | Takes SATA drives | Heatsink | Shares lanes with |
|---|---|---|---|---|---|---|---|
| M2_1 | 5 | 4 | CPU | M.2 2280 | No | Yes | Not available |
| M2_2 | 4 | 4 | CPU | M.2 2280 | No | No | Not available |
| M2_3 | 4 | 4 | Chipset | M.2 2280 | No | Yes | PCIE2 is disabled when M2_3 is used |
| M2_4 | 3 | 4 | Chipset | M.2 2280 | No | Yes | M2_4 runs at PCIe 3.0 x2 when SATA3_1 or SATA3_2 is used |
Source1Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026CPU: M2_1 (Blazing M.2, Key M) type 2280 PCIe Gen5x4 and M2_2 (Hyper M.2) type 2280 PCIe Gen4x4. M2_1 runs Gen5x4 with Ryzen 9000 and 7000 and Gen4x4 with Ryzen 8000. M2_2 runs Gen4x4 with Ryzen 9000, 7000 and 8000 (Phoenix 1) and Gen4x2 with 8000 (Phoenix 2). Chipset: M2_3 (Hyper M.2) type 2230/2242/2260/2280 PCIe Gen4x4 and M2_4 (Ultra M.2) type 2280 PCIe Gen3x4. 2280 is stored for M2_3. If M2_3 is occupied PCIE2 is disabled. If SATA3_1 or SATA3_2 is occupied M2_4 downgrades to Gen3x2. The manual lists every slot with PCIe modes only, so sata is false. The install guides in sections 2.16 to 2.19 show a heatsink to remove on M2_1, M2_3 and M2_4 and none on M2_2. Tech4Gamers confirms three of four slots have heatsinks and M2_2 has none.2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026M.2_1 is PCIe Gen5, M.2_2 and M.2_3 are PCIe Gen4 and M.2_4 is PCIe Gen3. Only 3 out of 4 slots have heatsinks, and M.2_2 has none. M.2_4 drops to Gen3x2 when SATA3_1 and SATA3_2 are used.
BMSI PRO B850-S WIFI6E
| Slot | PCIe generation | PCIe lanes | Connected to | Longest drive | Takes SATA drives | Heatsink |
|---|---|---|---|---|---|---|
| M2_1 | 5 | 4 | CPU | M.2 22110 | No | Yes |
| M2_2 | 4 | 4 | CPU | M.2 2280 | No | No |
M.2 slots
4
2
PCIe 5.0 M.2 slots
1
1
SATA ports
Rear ports
3 of 5 differ
Rear ports
AASRock B850 Pro RS WiFi
| Type | Version | Count | Max link rate (Gbps) | DP Alt Mode |
|---|---|---|---|---|
| USB-C | USB 3.2 Gen 2 | 1 | 10 | Not available |
| USB-C | USB 3.2 Gen 1 | 1 | 5 | Yes |
| USB-A | USB 3.2 Gen 1 | 4 | 5 | Not available |
| USB-A | USB 2.0 | 6 | 0.48 | Not available |
| HDMI | HDMI 2.1 | 1 | Not available | Not available |
| Ethernet (RJ45) | Not available | 1 | 2.5 | Not available |
| 3.5 mm audio | Not available | 3 | Not available | Not available |
BMSI PRO B850-S WIFI6E
| 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 | 4 | 5 |
| HDMI | HDMI 2.1 | 1 | Not available |
| DisplayPort | DisplayPort 1.4 | 1 | Not available |
| Ethernet (RJ45) | Not available | 1 | 2.5 |
| 3.5 mm audio | Not available | 3 | Not available |
Rear USB ports
12
8
Rear USB-C ports
2
1
Fastest rear USB port
10Gbps
10Gbps
Thunderbolt
Not available
Not available
Internal connectors
3 of 5 differ
Internal USB headers
AASRock B850 Pro RS WiFi
| Header | Max data rate (Gbps) | Headers | Front ports served |
|---|---|---|---|
| USB-C header | 20 | 1 | 1 |
| USB 3 header (19-pin) | 5 | 2 | 4 |
| USB 2.0 header (9-pin) | 0.48 | 2 | 4 |
BMSI PRO B850-S WIFI6E
| 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 |
Front USB-C header speed
20Gbps
10Gbps
Fan headers
ARGB headers
RGB headers
Networking
2 of 9 differ
Ethernet controllers
Realtek RTL81251Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026Specifications: 2.5 Gigabit LAN with the Dragon RTL8125BG. The block diagram labels it Realtek 2.5G LAN RTL8125BG. The suffix BG is stored without letters.2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026Dragon RTL8125BG LAN controller, up to 2.5G.
Ethernet ports
1
1
Ethernet speed
2.5Gbps
2.5Gbps
Wi-Fi included
Wi-Fi standard
Wi-Fi bands
Max Wi-Fi channel width
Not available
Wi-Fi module
Not available
Not available
Bluetooth
Audio
0 of 2 differ
Audio codec
DAC chip
Not available
Not available
Features
3 of 7 differ
BIOS flashback
Clear CMOS button (rear)
POST code display
Power button on the board
Dual BIOS
Pre-installed I/O shield
Not available
Tool-free features
Tool-free M.2 latch, PCIe slot release1Owner's manualgzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdfRead 14 October 2026Special Features, EZ DIY: EZ M.2 Clip II (locks the SSD without a screw, pages 34 to 36) and EZ PCIe Clip II (release for the graphics card, datasheet). The M.2 Shield Frozr heatsink is removed with screws (page 34), so m2_heatsink is not stored. The Wi-Fi antenna cables are connected tight to the antenna connectors (page 26), so antenna_connector is not stored.2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/in/PRO-B850-S-WIFI6E.pdfRead 14 October 2026Features page: EZ PCIe Clip II allows easy removal of the graphics card by pressing the tail-like lock with one finger.
Measured
3 of 3 differ
VRM temperature under CPU load
Not available
Power draw idle
Not available
In the box
1 of 1 differ
In the box
2 x Serial ATA (SATA) data cables, 2 x ASRock WiFi 2.4/5/6 GHz antennas, Quick Installation Guide, Regulatory Notice1Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026Section 1.1: 2 x Serial ATA (SATA) data cables (optional) and 2 x ASRock WiFi 2.4/5/6 GHz antennas (optional) for the WiFi model. Tech4Gamers adds a Quick Installation Guide and a Regulatory Notice.2Reviewtech4gamers.com/asrock-b850-pro-rs-wifi-reviewRead 15 October 2026Accessories: two SATA cables, two ASRock WiFi 2.4/5/6 GHz antennas, Quick Installation Guide and Regulatory Notice.
1x Motherboard, 1x Quick installation guide, 1x European Union Regulatory Notices, 1x SATA cable, 1x EZ Wi-Fi Antenna, 1x EZ M.2 Clip II Remover, 2x EZ M.2 Clip II1Owner's manualgzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdfRead 14 October 2026Package Contents, page 22.
Links
Not compared
Product page
www.asrock.com/mb/AMD/B850%20Pro%20RS%20WiFi/index.asp11Maker product pageasrock.com/mb/AMD/B850%20Pro%20RS%20WiFi/index.aspRead 15 October 2026The link comes from web search results for this model. asrock.com answers agents with a bot check, so the page was not read and its content is not used for any value.
www.msi.com/Motherboard/PRO-B850-S-WIFI6E6Maker product pagemsi.com/Motherboard/PRO-B850-S-WIFI6ERead 14 October 2026The URL comes from the job evidence and search results. msi.com blocks agents, so the page was not opened. Specifications were read from the user guide, the datasheet and MSI's Spain store.
Spec sheet
Not available
Manual
download.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdf1Owner's manualdownload.asrock.com/Manual/B850%20Pro%20RS%20WiFi.pdfRead 15 October 2026ASRock manual for B850 Pro RS WiFi and B850 Pro RS on download.asrock.com, 78 pages. The same file opens under the name B850 Pro RS.pdf. This record uses the WiFi parts only.
gzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdf1Owner's manualgzhls.at/blob/ldb/f/5/6/a/b4110299f52b8027e52d17c13270271b831a.pdfRead 14 October 2026MSI User Guide for PRO B850-S WIFI6E, 39 pages, revision history Version 2.0, 2025/05, First release. English copy hosted on the Geizhals document server, since msi.com blocks agents.
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all motherboards.