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ASRock B860 Pro-A WiFi vs MSI MPG Z890 CARBON WIFI

A

Product A: ASRock

B860 Pro-A WiFi

59 of 78 known

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B

Product B: MSI

MPG Z890 CARBON WIFI

67 of 78 known

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Only differences

AASRock B860 Pro-A WiFi

BMSI MPG Z890 CARBON WIFI

General

3 of 9 differ

Series

Pro1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026The manual and the retail box name the line Pro. The box in the product photo reads PRO SERIES.

MPG1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Manual cover: MPG Series Motherboard, MPG Z890 CARBON WIFI.

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

B860 Pro-A WiFi, 90-MXBRL0-A0UAYZ1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Manual cover: B860 Pro-A WiFi. The part number 90-MXBRL0-A0UAYZ comes from the Paradigit and hinta.fi listings.4Spec databasehinta.fi/5130022/asrock-b860-pro-a-wifi/tuotetiedotRead 15 October 2026Manufacturer codes 90-MXBRL-A0UAYZ and 90-MXBRL0-A0UAYZ. The code with the 0 matches Paradigit and Geizhals.7Retailer pageparadigit.ie/asrock-b860-pro-a-wifi/21862542/productRead 15 October 2026Product number manufacturer 90-MXBRL0-A0UAYZ.

MPG Z890 CARBON WIFI, 911-7E17-001, 911-7E17-006, 7E17-001R2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026MSI's German e-shop lists SKU 911-7E17-001.3Maker product pagees-store.msi.com/products/msi-mpg-z890-carbon-wifi-placas-baseRead 14 October 2026MSI's Spanish e-shop lists SKU 911-7E17-006.5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026Scan UK lists model number MPG Z890 CARBON WIFI.9Spec databasebuildcores.com/products/Motherboard/8lbzxz3ej/MSI-MPG-Z890-CARBON-WIFIRead 14 October 2026Part numbers listed: MPG Z890 CARBON WIFI, 7E17-001R and 911-7E17-001.10Retailer pageamazon.com/dp/B0DJPTRFN6Read 14 October 2026Mfr Part Number: MPG Z890 CARBON WIFI.

GTIN / EAN

47115814902534Spec databasehinta.fi/5130022/asrock-b860-pro-a-wifi/tuotetiedotRead 15 October 2026The product data lists GTIN/EAN 4711581490253 for the B860 Pro-A WiFi. Komputronik gives the same EAN.5Retailer pagekomputronik.pl/product/954947/plyta-glowna-asrock-b860-pro-a-wifi.htmlRead 15 October 2026The listing gives EAN 4711581490253 and the producer code B860 Pro-A WiFi.

824142384343, 47113772607942Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026The e-shop barcode is EAN 4711377260794.3Maker product pagees-store.msi.com/products/msi-mpg-z890-carbon-wifi-placas-baseRead 14 October 2026The e-shop barcode is EAN 4711377260794, the same as in Germany.5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026Scan UK lists GTIN 4711377260794.9Spec databasebuildcores.com/products/Motherboard/8lbzxz3ej/MSI-MPG-Z890-CARBON-WIFIRead 14 October 2026BuildCores lists UPC 824142384343 and EAN 4711377260794.10Retailer pageamazon.com/dp/B0DJPTRFN6Read 14 October 2026The Amazon US listing for ASIN B0DJPTRFN6 gives UPC 824142384343.

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

Not available

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Status

Available10Spec databasemaxmybuild.com/motherboards/asrock-b860-pro-a-wifiRead 15 October 2026Amazon and Newegg list the board in stock on 2026-10-14.

Available5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026In stock on 2026-10-14.10Retailer pageamazon.com/dp/B0DJPTRFN6Read 14 October 2026The listing is on sale on 2026-10-14 at best sellers rank 217 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.

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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

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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

$499.996Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026The review states a USD 499.99 MSRP. US prices exclude sales tax. Wccftech also lists 499.99 USD.7Reviewwccftech.com/review/msi-mpg-z890-carbon-wifi-motherboard-review/4Read 14 October 2026Product Info lists 499.99 USD.

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.

Mainstream3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026Geizhals puts the board in its own Mainstream class. The maker's line is ASRock Pro, which the schema help treats as mainstream.

Gaming10Retailer pageamazon.com/dp/B0DJPTRFN6Read 14 October 2026The listing title says Gaming Motherboard. The MPG line is MSI's Performance Gaming line.

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

2 of 4 differ

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

LGA18511Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 CPU row: Intel Core Ultra Processors (Series 2) (LGA1851).

LGA18511Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20262Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026

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.

Intel B8601Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Chipset row: Intel B860.

Intel Z8901Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20262Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026

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.

Intel Core Ultra (Series 2)1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 CPU row: Supports Intel Core Ultra Processors (Series 2) (LGA1851). Paradigit's Icecat copy also says Series 1, which the maker does not. LGA1851 is a Series 2 socket. Read on 2026-10-15.2Retailer pagedirectcomputers.co.uk/collections/intel-motherboards/products/asrock-b860-pro-a-wifi-intel-1851-socket-motherboard-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-wi-fi-6e-1x-displayport-1x-hdmi-portRead 15 October 2026The copy of the maker's spec reads Supports Intel Core Ultra Processors (Series 2) (LGA1851).

Intel Core Ultra (Series 2)1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Specifications: Intel Core Ultra Processors (Series 2), processor socket LGA1851. The manual says to go to msi.com for the newest support status. Read on 2026-10-14.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Supports Intel Core Ultra Processors (Series 2) LGA 1851.

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

No8Reviewmedcom.id/teknologi/review/GNl1M9Bb-asrock-b860-pro-a-wifi-ekonomis-untuk-intel-arrow-lakeRead 15 October 2026The review lists no CPU overclocking as a minus point.9Press articlepugetsystems.com/labs/articles/z890-vs-b860-vs-h810Read 15 October 2026The chipset table lists Overclocking for B860 as RAM only, and the text says the B860 chipset only supports memory overclocking. This is the chipset maker's feature as Puget reports it. It is not a board spec.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Manual: this motherboard is designed to support overclocking. Core Boost is listed under Performance.

Board

2 of 5 differ

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

ATX1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Platform row: ATX Form Factor.

ATX1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026

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)2Retailer pagedirectcomputers.co.uk/collections/intel-motherboards/products/asrock-b860-pro-a-wifi-intel-1851-socket-motherboard-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-wi-fi-6e-1x-displayport-1x-hdmi-portRead 15 October 2026The copy of the maker's Platform row reads ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm, stored as 244 mm wide and 305 mm high. Paradigit's Icecat copy lists 305 x 244 mm.

Width244Height305mm(9.6 × 12 in)1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Form factor: ATX, 9.6 in. x 12 in. (244 mm x 305 mm).

PCB layersiCopper layers in the circuit board as published.

Not available

82Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026German feature text: 8-Lagen-PCB aus 2 Unzen dickem Kupfer und Material in Server-Qualitaet. That is an 8-layer PCB of 2 oz thick copper and server grade material.3Maker product pagees-store.msi.com/products/msi-mpg-z890-carbon-wifi-placas-baseRead 14 October 2026Spanish feature text: PCB de 8 capas hecho con cobre de 2oz espesado y material de nivel grado servidor.6Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 20268-layer server grade PCB with 2 oz 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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026The section 1.3 layout shows the usual front-side power, fan and USB connectors.

No1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026The component overview shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.

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.

Not available

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026LED Features list Mystic Light onboard LEDs: the Smart button toggles Mystic Light on all onboard LEDs and LED_SW1 EZ LED Control switches the onboard LEDs.5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026Copy of MSI's text: a carbon black colour scheme and sleek patterns illuminated by Mystic Light.6Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026Pros list dual RGB zones.

Power delivery

5 of 6 differ

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.

10+1+1+1+12Retailer pagedirectcomputers.co.uk/collections/intel-motherboards/products/asrock-b860-pro-a-wifi-intel-1851-socket-motherboard-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-wi-fi-6e-1x-displayport-1x-hdmi-portRead 15 October 2026The page copies the maker's Key Features: 10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA. The maker's overview heading says 10 + 1 + 1 Power Phase Design + Dr.MOS. The first number is the same.8Reviewmedcom.id/teknologi/review/GNl1M9Bb-asrock-b860-pro-a-wifi-ekonomis-untuk-intel-arrow-lakeRead 15 October 2026The review says 10+1+1+1+1 with Dr.MOS for VCore, GT and SA.

20+1+1+12Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026German feature text: Direkte 20+1+1+1-Phasen-Stromversorgung, with dual 8-pin CPU power connectors.5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026Copy of MSI's feature text: Direct 20+1+1+1 power design.

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.

103Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026VRM row: 10+1+1+1+1 with 10x 80A SiC659 DrMOS on VCORE and 11 virtual CPU phases (2x5+1). This is Geizhals' reading of the board. The 10 matches the maker's first number. The 80 A figure is not stored, since it is a reading of chip markings.

202Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026The German text names 20 phases of the direct 20+1+1+1 design. Tech4Gamers and Profesional Review count 20 Vcore power stages.6Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 202620+1+1+1 VRM with 20 Vcore power stages.

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

110A5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026Copy of MSI's feature text: 20 phases Vcore DRPS - SPS 110A, with 1 phase each for SA, GT and VNNAON.

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.

Richtek RT3638AJ3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026The PWM controller row reads RT3638AJ (max. 10 phases). The Richtek maker name is added from the RT part prefix. No review or maker document names the controller.

Renesas RAA2291316Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026The PWM controller is a Renesas RAA-229131-W310AKX with Renesas R2209004-HBD power stages. Profesional Review also names the RAA229131. MSI does not name the controller in the sources read. The suffix is dropped.8Reviewprofesionalreview.com/2024/12/03/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026A Renesas RAA 229131 drives the main VRM and a RAA 229134 the other rails, with 20 Renesas R2209004 110 A MOSFETs for the core. Stored as Renesas RAA229131.

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

8+8 pin1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Connector row: 2 x 8 pin 12V Power Connectors (Hi-Density Power Connector).8Reviewmedcom.id/teknologi/review/GNl1M9Bb-asrock-b860-pro-a-wifi-ekonomis-untuk-intel-arrow-lakeRead 15 October 2026The review says dual 8-pin EPS 12V Hi-Density connectors.

8+8 pin1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Power Connectors: 2 x 8-pin +12V power connectors (CPU_PWR1~2) and the 24-pin ATX 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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026The section 1.2 connector list has no extra slot power connector.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Power Connectors: 1 x 8-pin PCIe power connector (PCIE_PWR1). Supplemental PCIe Power Connector is also listed under Special Features.

Memory

1 of 6 differ

Memory type

DDR51Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Memory row: Dual Channel DDR5 Memory Technology.

DDR51Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026

Memory slotsiDIMM slots on the board.

41Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Memory row: 4 x DDR5 DIMM Slots.

41Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20262Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 20264x DDR5 UDIMM.

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.

256GB1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Memory row: Max. capacity of system memory: 256GB.

256GB1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20264 x DDR5 memory slots, supporting up to 256GB.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Maximum 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.

8,666MT/s1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Memory row: non-ECC, un-buffered memory up to 8666+(OC). Intel Core Ultra (Series 2) is the only CPU family of the board. The maker's page copy on Direct Computers gives 8666+ MHz (OC) for one single-rank module per channel (1DPC 1R) and 6800+ for 1DPC 2R. So 8666 is stored.2Retailer pagedirectcomputers.co.uk/collections/intel-motherboards/products/asrock-b860-pro-a-wifi-intel-1851-socket-motherboard-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-wi-fi-6e-1x-displayport-1x-hdmi-portRead 15 October 2026The copy of the maker's memory table reads 1DPC 1R up to 8666+ MHz (OC), 5600 MHz natively. The listing's overview says up to 8666+ (OC).

9,200MT/s2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Memory support 9200 - 6400 (OC) MT/s. Max overclocking frequency: 1DPC 1R up to 9200+ MT/s, 1DPC 2R up to 7200+ MT/s, 2DPC 1R up to 4800+ MT/s and 2DPC 2R up to 4800+ MT/s. The 1DPC 1R figure is stored for Core Ultra (Series 2), the only CPU family of the board.7Reviewwccftech.com/review/msi-mpg-z890-carbon-wifi-motherboard-review/4Read 14 October 2026The max DDR5 speed chart lists 9200 MT/s for this board.

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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Memory row: DDR5 non-ECC, un-buffered memory.

No1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Memory: 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.

Yes1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Memory row: Supports Clocked Unbuffered DIMM (CUDIMM). The text does not mention a clock driver bypass mode.2Retailer pagedirectcomputers.co.uk/collections/intel-motherboards/products/asrock-b860-pro-a-wifi-intel-1851-socket-motherboard-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-wi-fi-6e-1x-displayport-1x-hdmi-portRead 15 October 2026The copy of the maker's spec reads Supports Clocked Unbuffered DIMM (CUDIMM).

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Memory: supports CUDIMM. The manual states no clock driver bypass limit. Support and POR boot frequency vary by CPU.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Supports CUDIMM.

Expansion slots

2 of 3 differ

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.

AASRock B860 Pro-A WiFi

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

Source1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Expansion Slot row: PCIE1 is a PCIe 5.0 x16 slot in the CPU and runs x16. PCIE2 is a PCIe 4.0 x16 slot in the chipset and runs x4. The Key E M.2 socket for the Wi-Fi module is not listed.

BMSI MPG Z890 CARBON WIFI

Physical slot	Electrical lanes	PCIe generation	Connected to	Count
PCIe x16	16	5	CPU	1
PCIe x16	8	5	CPU	1
PCIe x16	4	4	Chipset	1

Source1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20263 x PCIe x16 slots. PCI_E1 from the CPU, up to PCIe 5.0 x16 with BIOS adjustment to x8+x4+x4. PCI_E2 from the CPU, up to PCIe 5.0 x8 with BIOS adjustment to x4+x4. PCI_E3 from the Z890 chipset, up to PCIe 4.0 x4. The footnotes of the table are not in the extracted text, so lane sharing between PCI_E1 and PCI_E2 is not stored.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026PCI_E1 PCIe 5.0 up to x16 from the CPU, PCI_E2 PCIe 5.0 up to x8 from the CPU and PCI_E3 PCIe 4.0 up to x4 from the chipset.

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

2=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

2 of 4 differ

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.

AASRock B860 Pro-A WiFi

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink
M2_1	5	4	CPU	M.2 2280	No	Yes
M2_2	4	4	Chipset	M.2 2280	No	No
M2_3	4	4	Chipset	M.2 2280	No	No

Source1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Storage row: M2_1 (Blazing M.2, CPU) takes 2280 at PCIe Gen5x4. M2_2 (Hyper M.2, chipset) takes 2230/2242/2260/2280 at PCIe Gen4x4. M2_3 (Hyper M.2, chipset) takes 2280 at PCIe Gen4x4. The full list names no SATA mode for the slots. The section 2.17 install guide shows a heatsink to remove on M2_1. Sections 2.18 and 2.19 show none. The manual states no lane sharing.8Reviewmedcom.id/teknologi/review/GNl1M9Bb-asrock-b860-pro-a-wifi-ekonomis-untuk-intel-arrow-lakeRead 15 October 2026Review of 2026-06-11: the bundled M.2 heatsink is only on the main slot. The other two M.2 slots have none.10Spec databasemaxmybuild.com/motherboards/asrock-b860-pro-a-wifiRead 15 October 2026Lists a heatsink on slot 1 only, with 1 PCIe 5.0 x4 and 2 PCIe 4.0 x4 M.2 slots.

BMSI MPG Z890 CARBON WIFI

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink
M2_1	5	4	CPU	M.2 2280	No	Yes
M2_2	4	4	CPU	M.2 2280	No	Yes
M2_3	4	4	Chipset	M.2 2280	No	Yes
M2_4	4	4	Chipset	M.2 22110	No	Yes
M2_5	4	4	Chipset	M.2 2280	Yes	Yes

Source1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20265 x M.2 Key M slots. M2_1 from the CPU, up to PCIe 5.0 x4, 2260/2280. M2_2 from the CPU, up to PCIe 4.0 x4, 2260/2280. M2_3 from the Z890 chipset, up to PCIe 4.0 x4, 2260/2280. M2_4 from the Z890 chipset, up to PCIe 4.0 x4, 2260/2280/22110. M2_5 from the Z890 chipset, up to PCIe 4.0 x4 and up to SATA 6Gb/s, 2260/2280. 2260 is stored as 2280. The installation steps for M2_1 and for M2_2 to M2_5 all use a Screwless M.2 Shield Frozr heatsink, so every slot has a heatsink. The manual does not say what the SATA mode of M2_5 turns off. M2_1 to M2_4 list no SATA mode, so sata is false for them.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 20265x M.2. M.2_1 from the CPU up to PCIe 5.0 x4, 2280/2260. M.2_2 from the CPU up to PCIe 4.0 x4, 2280/2260. M.2_3 from the chipset up to PCIe 4.0 x4, 2280/2260. M.2_4 from the chipset up to PCIe 4.0 x4, 22110/2280/2260. M.2_5 from the chipset up to PCIe 4.0 x4 or SATA mode, 2280/2260.

M.2 slots

3=CalculatedFrom M.2 storage slots

5=CalculatedFrom M.2 storage slots

PCIe 5.0 M.2 slots

1=CalculatedFrom M.2 storage slots

1=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.

41Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Storage row: 4 x SATA3 6.0 Gb/s connectors.

41Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20264 x SATA 6Gb/s ports from the Z890 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.

AASRock B860 Pro-A WiFi

Type	Version	Count	Max link rate (Gbps)	DP Alt Mode
DisplayPort	DisplayPort 1.4	1	Not available	Not available
HDMI	HDMI 2.1	1	Not available	Not available
USB-C	USB 3.2 Gen 2x2	1	20	No
USB-A	USB 3.2 Gen 1	6	5	Not available
USB-A	USB 2.0	2	0.48	Not available
Ethernet (RJ45)	Not available	1	2.5	Not available
3.5 mm audio	Not available	3	Not available	Not available

Source1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Rear Panel I/O and section 1.4: 1 HDMI, 1 DisplayPort 1.4, 1 USB 3.2 Gen2x2 Type-C (20 Gb/s), 6 USB 3.2 Gen1, 2 USB 2.0, 1 RJ-45 (2.5 Gigabit LAN), 3 HD audio jacks (Line in, Front Speaker, Microphone), the BIOS Flashback button and 2 antenna ports. HDMI is HDMI 2.1 (TMDS/FRL 8G compatible). The graphics row names only the HDMI and DisplayPort outputs, so the Type-C port has no DisplayPort alternate mode.

BMSI MPG Z890 CARBON WIFI

Type	Version	Count	Max link rate (Gbps)	Thunderbolt or USB4	Power out (W)	DP Alt Mode
USB-C	USB4	2	40	Thunderbolt 4	15	Yes
USB-C	USB 3.2 Gen 2	1	10	Not available	Not available	Not available
USB-A	USB 3.2 Gen 2	10	10	Not available	Not available	Not available
HDMI	HDMI 2.1	1	Not available	Not available	Not available	Not available
Ethernet (RJ45)	Not available	1	5	Not available	Not available	Not available
Ethernet (RJ45)	Not available	1	2.5	Not available	Not available	Not available
3.5 mm audio	Not available	2	Not available	Not available	Not available	Not available
Optical S/PDIF	Not available	1	Not available	Not available	Not available	Not available

Source1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Back panel: 2 Thunderbolt 4 USB-C ports from the CPU with DisplayPort over USB Type-C, 1 USB 10Gbps Type-C, 2 USB 10Gbps Type-A from the Z890 chipset and 8 USB 10Gbps Type-A from an RTS5420 hub (10 Type-A in total), 1 HDMI, 1 2.5Gbps LAN and 1 5Gbps LAN (RJ45), 2 audio jacks, 1 optical S/PDIF out, 2 Wi-Fi antenna connectors and the Flash BIOS, Clear CMOS and Smart buttons. Thunderbolt 4 is stored as USB4 at 40 Gbps with tb_usb4 thunderbolt_4, as on the other boards. The USB-C 10Gbps port has no stated DP Alt Mode.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026USB: 10x USB 10Gbps Type A (rear) and 1x USB 10Gbps Type C (rear). Thunderbolt: 2x Thunderbolt 4 ports (rear) with up to 40Gbps with Thunderbolt devices, up to 20Gbps with USB4 devices and up to 5V/3A, 15W power charging. The e-shop says DisplayPort 1.4 with HBR3 over USB Type-C and the manual says DisplayPort 2.1. Only DP Alt Mode is stored.

Rear USB ports

9=CalculatedFrom Rear ports

13=CalculatedFrom Rear ports

Rear USB-C portsiIncludes Thunderbolt and USB4 ports.

1=CalculatedFrom Rear ports

3=CalculatedFrom Rear ports

Fastest rear USB port

20Gbps=CalculatedFrom Rear ports

40Gbps=CalculatedFrom Rear ports

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

Not available

Yes=CalculatedFrom Rear ports

Internal connectors

2 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.

AASRock B860 Pro-A WiFi

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

Source1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Connector row: 1 front panel Type C USB 3.2 Gen1 header, 1 USB 3.2 Gen1 header for 2 ports and 2 USB 2.0 headers for 4 ports. The manual states no power output for the Type-C header.

BMSI MPG Z890 CARBON 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_mpg_z890_carbon_wifi.pdfRead 14 October 20261 USB 20Gbps Type-C front panel port with USB PD up to 27W fast charging, 2 USB 5Gbps connectors for 4 additional ports and 2 USB 2.0 connectors for 4 additional ports. The JTBT5_1 Thunderbolt 5 expansion card connector is for an add-in card and is not listed.

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.

71Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Connector row: 2 CPU fan connectors, 4 chassis fan connectors and 1 AIO pump fan connector.3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026Cooling row: 2x CPU fan, 1x AIO pump and 4x fan, all 4-pin PWM.10Spec databasemaxmybuild.com/motherboards/asrock-b860-pro-a-wifiRead 15 October 2026Lists 7 fan headers.

71Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Fan connectors: 1 CPU fan, 1 water-pump/system fan and 5 system fans, all 4-pin. The EZ Conn-Header V2 (JAF_2) is a combination connector and the 3-pin water flow connector is a sensor, so neither is counted.6Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 20261x CPU Fan, 1x Combo Fan and 5x System Fan.

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.

31Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Connector row: 3 x Addressable LED Headers.3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026Lighting row: 3x 3-pin ARGB.

31Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20263 x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors (JARGB_V2_1~3).

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.

11Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Connector row: 1 x RGB LED Header (up to 12V/3A).3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026Lighting row: 1x 4-pin RGB.

11Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 20261 x 4-pin RGB LED connector (JRGB1).

Networking

7 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 RTL81251Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 LAN row: Dragon RTL8125BG, 2.5 Gigabit LAN. The suffix letters are left out.3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026Network row: Realtek RTL8125BG (2.5 Gb/s).7Retailer pageparadigit.ie/asrock-b860-pro-a-wifi/21862542/productRead 15 October 2026LAN controller: Dragon RTL8125BG.

Intel Killer E5000, Intel I2261Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026LAN: 1 x Intel Killer E5000B 5Gbps LAN controller and 1 x Intel I226V 2.5Gbps LAN controller. The suffix letters are dropped.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 20261x Intel Killer E5000B 5G LAN and 1x Intel I226V 2.5G LAN.

Ethernet ports

1=CalculatedFrom Rear ports

2=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.

Yes1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 and 1.6: the B860 Pro-A WiFi comes with an 802.11axe Wi-Fi 6E module and two antennas. The module chip is not named.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026The wireless module is pre-installed in the M.2 (Key-E) slot.

Wi-Fi standard

Wi-Fi 6E1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Wireless LAN row: 802.11axe Wi-Fi 6E Module, IEEE 802.11a/b/g/n/ac/ax/axe.

Wi-Fi 71Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Supports 802.11 a/b/g/n/ac/ax/be (Wi-Fi 7).

Wi-Fi bandsiBands the installed module supports.

2.4 GHz, 5 GHz, 6 GHz1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2: dual-band 2x2 with extended 6GHz band support. A 6GHz router is needed for 6E and Windows 11 only.

2.4 GHz, 5 GHz, 6 GHz1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Supports 2.4GHz/5GHz/6GHz (320MHz). 6 GHz depends 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_mpg_z890_carbon_wifi.pdfRead 14 October 2026Wi-Fi & Bluetooth: 2.4GHz/5GHz/6GHz (320MHz) up to 5.8Gbps.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Supports 2.4GHz/5GHz/6GHz (320MHz) 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.

Not available

Intel Killer BE1750x2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Intel Killer BE1750x Wi-Fi 7, pre-installed in the M.2 (Key-E) slot.

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

5.31Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Wireless LAN row: Supports Bluetooth 5.3.

5.41Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Supports Bluetooth 5.4. The manual says the version may be updated and refers to the Wi-Fi chipset vendor.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Supports Bluetooth 5.4.

Audio

1 of 2 differ

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

Realtek ALC8971Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.2 Audio row: 7.1 CH HD Audio (Realtek ALC897 Audio Codec).3Spec databasegeizhals.at/asrock-b860-pro-a-wifi-90-mxbrl-a0uayz-a3389994.htmlRead 15 October 2026Audio row: Realtek ALC897.7Retailer pageparadigit.ie/asrock-b860-pro-a-wifi/21862542/productRead 15 October 2026The spec table (an Icecat copy) lists Audio chip: Realtek ALC897.

Realtek ALC1220P1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Audio: Realtek ALC1220P codec, 7.1-channel High Definition Audio.2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026Realtek ALC1220P Codec, 7.1-channel USB High Definition Audio, S/PDIF output.

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

4 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.

Yes1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Sections 1.4 and 2.15: the BIOS Flashback button on the rear panel updates the BIOS without powering on the system, even without a CPU.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Flash BIOS button on the back panel (item 4).

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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026The rear panel list has no button. Clear CMOS is a jumper (CLRMOS1, section 2.12).

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Back panel item 5: Clear CMOS button. The manual also lists a Clear CMOS jumper.

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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 2.14: the Post Status Checker is four LEDs for CPU, DRAM, VGA and BOOT, and not a two-digit display.10Spec databasemaxmybuild.com/motherboards/asrock-b860-pro-a-wifiRead 15 October 2026Diagnostics: Debug LEDs, not a two-digit display.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026LED Features: 1 x EZ Digi-Debug LED, which shows progress and error codes during and after POST with a Debug Code LED table. 4 x EZ Debug LED (CPU, DRAM, GPU, boot device) come on top.6Reviewtech4gamers.com/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026The debug code LED panel sits on the top right of the board and can also show temperatures.

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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 2.15: the motherboard has one smart button, the BIOS Flashback button. The board has no power button.

No8Reviewprofesionalreview.com/2024/12/03/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026The review says the board has no on-board power button and names it as a loss. The rear has the Flash BIOS, Clear CMOS and Smart 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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026The BIOS feature row lists AMI UEFI Legal BIOS and the block diagram shows one 256Mb flash ROM. Dual BIOS is not stated.

No1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026BIOS Features: 1 x 256 Mb flash. Dual BIOS is not stated.

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

No1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.1 package contents list 1 x I/O Shield and section 2.5 explains installing it.8Reviewmedcom.id/teknologi/review/GNl1M9Bb-asrock-b860-pro-a-wifi-ekonomis-untuk-intel-arrow-lakeRead 15 October 2026The review lists a separate I/O shield as a minus point.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Special Features, EZ DIY: Pre-installed I/O Shield.

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.

Tool-free M.2 latch1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Sections 2.17 to 2.19: the M.2 install guides use a nut lock that is turned clockwise to lock a module in place without a screw. The M2_1 heatsink needs a screwdriver. The manual names no PCIe release button. The antennas are turned on to antenna ports, so there is no push-on antenna connector.

Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release, Push-on antenna connector1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026EZ DIY: EZ M.2 Clip II, EZ M.2 Shield Frozr II (screwless heatsink with an end button), EZ PCIe Release and EZ Antenna.

Measured

1 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

83°C8Reviewprofesionalreview.com/2024/12/03/msi-mpg-z890-carbon-wifi-reviewRead 14 October 2026Core Ultra 285K at the BIOS performance profile (PL1 250 W, PL2 295 W, maximum 287 W in HWiNFO), Corsair iCUE H150i ELITE LCD cooler, 32 GB DDR5, RTX 4080, BIOS 7E17v1A3. The review runs a CPU stress test at stock and reads surfaces with a FLIR One thermal camera and sensors with HWiNFO. The stress tool, duration and ambient temperature are not stated. Full stock VRM sensor 83 C and exterior camera 86 C. In the relaxed stock profile the sensor read 57 C. The HWiNFO sensor reading is stored. Tech4Gamers writes 65 C with a 285K and a DeepCool Mystique 360 but gives no method, so it is not stored.

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

Not available

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

Not available

In the box

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In the boxiItems as the maker lists them.

I/O Shield, 2 x Serial ATA (SATA) Data Cables, 2 x ASRock WiFi 2.4/5/6 GHz Antennas1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026Section 1.1 package contents. The SATA cables and antennas are marked Optional in the manual. The one M.2 screw is for the B860 Pro-A only.2Retailer pagedirectcomputers.co.uk/collections/intel-motherboards/products/asrock-b860-pro-a-wifi-intel-1851-socket-motherboard-atx-4x-ddr5-slots-3x-m-2-sockets-2x-usb-c-port-2-5gbe-lan-wi-fi-6e-1x-displayport-1x-hdmi-portRead 15 October 2026Accessories: 1 x I/O Shield, 2 x SATA Data Cables and 2 x ASRock WiFi 2.4/5/6 GHz Antennas.

Quick installation guide, European Union regulatory notices, USB drive, 2 x SATA cables, 1 x 1 to 2 RGB extension cable, 1 x ARGB extension cable, 1 x EZ Front panel cable, 1 x 1 to 3 EZ Conn-Cable (V2), 1 x EZ Wi-Fi Antenna, 1 x Cable sticker, 1 x EZ M.2 Clip II, 1 x EZ M.2 Clip II Remover1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026Package Contents list on page 21.

Links

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Product page

www.asrock.com/MB/Intel/B860%20Pro-A%20WiFi/index.asp11Maker product pageasrock.com/MB/Intel/B860%20Pro-A%20WiFi/index.aspRead 15 October 2026The maker's product page. asrock.com returned a bot check page, so it was not opened. The link is from the job's evidence.

www.msi.com/Motherboard/MPG-Z890-CARBON-WIFI4Maker product pagemsi.com/Motherboard/MPG-Z890-CARBON-WIFIRead 14 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.asrock.com/MB/Intel/B860%20Pro-A%20WiFi/Specification/index.asp11Maker product pageasrock.com/MB/Intel/B860%20Pro-A%20WiFi/index.aspRead 15 October 2026The maker's specification tab at the same address. It was not opened. The Direct Computers copy and the manual state the same specifications.

storage-asset.msi.com/specSheet/de/mb/MPG%20Z890%20CARBON%20WIFI.pdf2Maker product pagede-store.msi.com/products/mpg-z890-carbon-wifiRead 14 October 2026The e-shop links the specification sheet PDF at storage-asset.msi.com. The PDF was not opened. The e-shop text carries the same specification table.

Manual

download.asrock.com/Manual/B860%20Pro-A%20WiFi.pdf1Owner's manualdownload.asrock.com/Manual/B860%20Pro-A%20WiFi.pdfRead 15 October 2026ASRock manual for the B860 Pro-A WiFi and the B860 Pro-A, Version 1.0, published December 2024, 70 pages. Items marked for the B860 Pro-A WiFi are used.

www.trovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdf1Owner's manualtrovaprezzi.it/manuali/msi_mpg_z890_carbon_wifi.pdfRead 14 October 2026MSI MPG Z890 CARBON WIFI User Guide, hosted by trovaprezzi.it. The PDF was created in November 2024. msi.com blocks agents, so the maker's own download page was not read.

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.

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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.

3years6Retailer pagearvutitark.ee/en/pc-components/motherboards/asrock-b860-pro-a-wifi-lga1851-mb-1427200Read 15 October 2026The listing gives Warranty (months) 36 in Estonia.

3years5Retailer pagescan.co.uk/products/msi-mpg-z890-carbon-wifi-intel-z890-s-1851-ddr5-pcie-50-5x-m2-5plus25gbe-lan-wifi-7-bt-usb-3Read 14 October 2026Scan UK: 36 months, direct.10Retailer pageamazon.com/dp/B0DJPTRFN6Read 14 October 2026Warranty Description: 3 Years (US listing).

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