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ASRock B860 Challenger WiFi vs ASUS ROG STRIX Z890-H GAMING WIFI

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Product A: ASRock

B860 Challenger WiFi

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Product B: ASUS

ROG STRIX Z890-H GAMING WIFI

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Only differences

AASRock B860 Challenger WiFi

BASUS ROG STRIX Z890-H GAMING WIFI

General

2 of 9 differ

Series

Challenger1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Manual title: B860 Challenger WiFi. Challenger is the ASRock line in the name.

ROG Strix2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026ROG Strix is the ASUS line in the product name.

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

B860 Challenger WiFi, 90-MXBUC0-A0UAYZ1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Manual title and specification chapter: B860 Challenger WiFi. The part number 90-MXBUC0-A0UAYZ is from Geizhals and PCPartPicker. The White edition has its own part number and is a separate model.3Retailer page25n.de/ASRock-B860-Challenger-WiFi-1851-ATX-HDMI-USB-C-DDR/25N36624Read 15 October 2026Manufacturer part number 90-MXBUC0-A0UAYZ.4Spec databasegeizhals.de/asrock-b860-challenger-wifi-90-mxbuc0-a0uayz-a3751620.htmlRead 15 October 2026Manufacturer part number 90-MXBUC0-A0UAYZ.6Spec databasepcpartpicker.com/product/BKDnTW/asrock-b860-challenger-wifi-atx-lga1851-motherboard-b860-challenger-wifiRead 15 October 2026Part numbers: B860 Challenger WiFi and 90-MXBUC0-A0UAYZ.

ROG STRIX Z890-H GAMING WIFI, 90MB1K20-M0AAY0, 90MB1K20-M0EAY01Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The page's order configuration id is 90MB1K20-M0AAY0. EU retailers list 90MB1K20-M0EAY0 for the same board.5Retailer pagewatercoolinguk.co.uk/product/asus-rog-strix-z890-h-gaming-wifi-motherboard-socket-lga-1851-intel-z890-atx-ddr5Read 14 October 2026MPN 90MB1K20-M0EAY0 is the EU part number.

GTIN / EAN

47115814941903Retailer page25n.de/ASRock-B860-Challenger-WiFi-1851-ATX-HDMI-USB-C-DDR/25N36624Read 15 October 2026EAN 4711581494190, manufacturer part number 90-MXBUC0-A0UAYZ. A search result for a French retailer lists the same EAN. The White edition has a different EAN.

47113878806785Retailer pagewatercoolinguk.co.uk/product/asus-rog-strix-z890-h-gaming-wifi-motherboard-socket-lga-1851-intel-z890-atx-ddr5Read 14 October 2026The page lists MPN 90MB1K20-M0EAY0 with EAN 4711387880678.

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

Not available

Not available

Status

Available4Spec databasegeizhals.de/asrock-b860-challenger-wifi-90-mxbuc0-a0uayz-a3751620.htmlRead 15 October 2026Listed with offers from many shops on 2026-10-15.

Available5Retailer pagewatercoolinguk.co.uk/product/asus-rog-strix-z890-h-gaming-wifi-motherboard-socket-lga-1851-intel-z890-atx-ddr5Read 14 October 2026On sale on 2026-10-14 with 1 in stock. hinta.fi also lists ASUS Store in stock on the same day.6Retailer pagehinta.fi/5180653/asus-rog-strix-z890-h-gaming-wifiRead 14 October 2026Price comparison with 10 shops on 2026-10-14. The ASUS Store lists the board in stock with delivery in 1-4 days.

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

Not available

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

Not available

ColoursiThe maker's own colour names

Not available

Not available

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.

Mainstream4Spec databasegeizhals.de/asrock-b860-challenger-wifi-90-mxbuc0-a0uayz-a3751620.htmlRead 15 October 2026Segment: Mainstream. ASRock Challenger is a budget line and not a Phantom Gaming, creator or workstation line.

Gaming1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The page sits under ROG gaming motherboards (breadcrumb Gaming Motherboards).

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%20Challenger%20WiFi.pdfRead 15 October 2026

LGA18511Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 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%20Challenger%20WiFi.pdfRead 15 October 2026

Intel Z8901Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: supports Intel Core Ultra Processors (Series 2) (LGA1851). The manual points to ASRock's website for the CPU support list. Read on 2026-10-15.

Intel Core Ultra (Series 2)1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Intel Core Ultra Processors (Series 2) on LGA1851. The page refers to the ASUS download center for the CPU support list. Its news box also lists OS requirements for the Core Ultra 200S Plus Series, which is not stored since the CPU line names Series 2 only. Read on 2026-10-14.

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

No7Press articlepugetsystems.com/labs/articles/z890-vs-b860-vs-h810Read 15 October 2026The article says Z890 supports CPU core and base clock overclocking and the B860 chipset only supports memory overclocking.

Yes2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026The page describes AI Overclocking, which profiles the CPU and cooling and sets overclock values, and TurboV Core CPU tuning for overclocking enthusiasts.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2 and the package contents: ATX Form Factor. The manual gives no millimetre size.

ATX1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 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)3Retailer page25n.de/ASRock-B860-Challenger-WiFi-1851-ATX-HDMI-USB-C-DDR/25N36624Read 15 October 2026The spec table lists width 30.5 cm and depth 24.4 cm, which is the ATX size of 244 mm by 305 mm. The retailer's general information block lists other sizes, which are packaging. ATX is stored as 244 by 305.

Width244Height305mm(9.6 × 12 in)1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026ATX form factor, 12 inch x 9.6 inch (30.5 cm x 24.4 cm).

PCB layersiCopper layers in the circuit board as published.

Not available

82Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026Overview page: eight-layer PCB.

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%20Challenger%20WiFi.pdfRead 15 October 2026The section 1.3 layout and 2.12 connector pages show the usual front-side connectors. PCPartPicker also says no back-connect connectors.6Spec databasepcpartpicker.com/product/BKDnTW/asrock-b860-challenger-wifi-atx-lga1851-motherboard-b860-challenger-wifiRead 15 October 2026Back-Connect Connectors: No.

No3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026The chapter 1 layout 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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026The section 1.2 connector list has only the RGB and addressable LED headers. No on-board lighting is named.

Yes2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026The page lists Aura Lighting and says ROG Strix boards have full lighting control of onboard RGB LEDs and third-party accessories.7Reviewgadreview.com/review/asus-rog-strix-z890-h-gaming-wifi-review-123962Read 14 October 2026The board features onboard RGB lighting integrated with Aura Sync.

Power delivery

3 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+13Retailer page25n.de/ASRock-B860-Challenger-WiFi-1851-ATX-HDMI-USB-C-DDR/25N36624Read 15 October 2026Copy of ASRock's text: 10+1+1+1+1 Power Phase Design, with Dr.MOS MOSFET power stages. TweakTown, as seen in a search excerpt, writes 10+1+1 for the same board, which counts the rails differently. The maker's string is stored.

16+1+2+22Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 202616(80A)+1(80A)+2(80A)+2(80A) power stages: 16 VCCCORE, 1 VCCGT, 2 VCCSA and 2 VNNAON, all SPS. Stored as the maker writes it.

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.

104Spec databasegeizhals.de/asrock-b860-challenger-wifi-90-mxbuc0-a0uayz-a3751620.htmlRead 15 October 2026VRM row: 10+1+1+1+1 with 11 virtual CPU phases (2x5+1) and 10x MOSFETs for VCORE. Geizhals names no controller.5Reviewpcinq.com/asrock-b860-challenger-wifi-reviewRead 15 October 2026The review counts ten SiC623 integrated power stages for the CPU core, in a 14-phase 10+1+1+1+1 layout. It names no PWM controller.

162Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 202616 VCCCORE power stages (80A, SPS).

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

80A2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026The VRM features 16+1+2+2 power stages, each rated to handle up to 80 amps.

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

Not available

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 2 x 8 pin 12V power connectors (Hi-Density Power Connector) and the 24 pin ATX power connector.

8+8 pin1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Internal connectors: 2 x 8-pin +12V CPU power connectors and the 24-pin main 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.

No1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026The section 1.2 and 1.3 connector lists have no extra slot power connector.

No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The internal connector list has no extra slot power connector.

Memory

1 of 6 differ

Memory type

DDR51Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: dual channel DDR5, 4 x DDR5 DIMM slots.

DDR51Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026

Memory slotsiDIMM slots on the board.

41Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026

41Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: max. capacity of system memory 256GB.

256GB1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The page says max. 256GB. The December 2024 manual says 192GB. The page is newer and is stored.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Specifications summary: 4 x DIMM slots, max. 192GB, DDR5. The live spec page says 256GB and is stored.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: supports DDR5 non-ECC, un-buffered memory up to 8666+(OC). The manual names no CPU family or module setup. Core Ultra (Series 2) is the only family for the board. Geizhals writes max. DDR5-8666 OC.

9,066MT/s1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Up to 9066+MT/s (OC) with Intel Core Ultra Processors (Series 2), the only CPU family of the board. The page says supported speeds and module counts vary with the CPU and memory configuration.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: supports DDR5 non-ECC, un-buffered memory.

No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The page lists Non-ECC, un-buffered memory. Non-ECC DDR5 supports On-Die ECC, which does not count.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: Supports Clocked Unbuffered DIMM (CUDIMM), with no bypass-mode limit.

Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The memory line lists Clocked Unbuffered DIMM (CUDIMM) support. The overview page says AEMP III first tunes the clock driver and then the memory frequency, so the clock driver is active. The page does not mention a bypass mode.2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026AEMP III first optimizes the clock driver and then the memory frequency of CUDIMM memory.

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 Challenger 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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2 and 2.7: PCIE1 is a PCIe 5.0 x16 slot from the CPU in x16 mode. PCIE2 is a PCIe 4.0 x16 slot from the chipset that runs in x4 mode. The M.2 Key E socket of the installed Wi-Fi module is not listed.

BASUS ROG STRIX Z890-H GAMING WIFI

Physical slot	Electrical lanes	PCIe generation	Connected to	Count
PCIe x16	16	5	CPU	1
PCIe x16	4	4	Chipset	2

Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Intel Core Ultra (Series 2): 1 x PCIe 5.0 x16 slot (x16 or x8/x4/x4 modes). Z890 chipset: 2 x PCIe 4.0 x16 slots (x4 mode).3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Layout: PCIEX16(G5), PCIEX16(G4)_1 and PCIEX16(G4)_2 are the only expansion slots.

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 Challenger 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	Yes
M2_3	4	4	Chipset	M.2 2280	No	No

Source1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2 and 2.15 to 2.17: M2_1 is a Blazing M.2 on the CPU, type 2280, PCIe Gen5x4. M2_2 is a Hyper M.2 on the chipset, types 2230/2242/2260/2280, PCIe Gen4x4. M2_3 is a Hyper M.2 on the chipset, type 2280, PCIe Gen4x4. The manual lists no SATA mode and PCInQ says all slots are NVMe only. M2_1 has a heatsink with a release button. M2_2 has a heatsink fixed with screws. M2_3 has no heatsink in the install guide. The manual names no lane sharing between the slots.

BASUS ROG STRIX Z890-H GAMING WIFI

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink
M.2_1	5	4	CPU	M.2 22110	No	Yes
M.2_2	4	4	CPU	M.2 2280	No	Yes
M.2_3	4	4	Chipset	M.2 22110	No	Yes
M.2_4	4	4	Chipset	M.2 2280	Yes	Yes

Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Core Ultra Series 2: M.2_1 type 2242/2260/2280/22110 at PCIe 5.0 x4 and M.2_2 type 2280 at PCIe 4.0 x4. Z890 chipset: M.2_3 type 2280/22110 at PCIe 4.0 x4 and M.2_4 type 2242/2260/2280 at PCIe 4.0 x4 and SATA modes. The page lists no M.2 SATA support for the other three slots, so their sata cell is false. Heatsinks: the Special Features list names M.2 heatsinks and a backplate, and the overview page lists 4 x M.2 heatsinks.2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 20264 x M.2 heatsinks and an M.2 backplate.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Layout item 6 lists the M.2 types and PCIe modes. The manual states no shared bandwidth between M.2 slots and other slots.

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

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 4 x SATA3 6.0 Gb/s connectors.

41Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026

Rear ports

4 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 Challenger WiFi

Type	Version	Count	Max link rate (Gbps)	DP Alt Mode
HDMI	HDMI 2.1	1	Not available	Not available
USB-C	USB 3.2 Gen 1	1	5	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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2 and 1.4: 1 HDMI (HDMI 2.1, up to 4K 120Hz), 1 USB 3.2 Gen1 Type-C, 6 USB 3.2 Gen1 (USB32_1234, USB32_5 and USB32_6, where USB32_56 are Lightning Gaming Ports), 2 USB 2.0, 1 RJ-45 (2.5 Gigabit LAN), 3 HD audio jacks, a BIOS Flashback button and 2 antenna ports. The manual does not name the USB 3.2 Gen1 ports Type-A. The only Type-C is the one named, so the others are stored as Type-A. The graphics list names only HDMI, so the Type-C has no DisplayPort mode. The manual gives no USB power output.

BASUS ROG STRIX Z890-H GAMING WIFI

Type	Version	Count	Max link rate (Gbps)	Power out (W)
USB-C	USB 3.2 Gen 2x2	1	20	15
USB-C	USB 3.2 Gen 2x2	1	20	30
USB-A	USB 3.2 Gen 2	4	10	Not available
USB-A	USB 3.2 Gen 1	4	5	Not available
DisplayPort	DisplayPort 1.4	1	Not available	Not available
HDMI	HDMI 2.1	1	Not available	Not available
Ethernet (RJ45)	Not available	1	5	Not available
3.5 mm audio	Not available	2	Not available	Not available
Optical S/PDIF	Not available	1	Not available	Not available

Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Back panel list: 2 x USB 20Gbps Type-C (one with PD output 5V/3.0A and one with up to 30W PD fast charge, 5V/9V max 3.0A, 12V max 2.5A, 15V max 2.0A), 4 x USB 10Gbps Type-A, 4 x USB 5Gbps Type-A, 1 DisplayPort (max 8K@60Hz as specified in DisplayPort 1.4), 1 HDMI (4K@60Hz as specified in HDMI 2.1), 1 Realtek 5Gb Ethernet, 2 gold-plated audio jacks, 1 optical S/PDIF out, the Wi-Fi module and the BIOS FlashBack and Clear CMOS buttons. ASUS names USB by speed, so 20Gbps is stored as USB 3.2 Gen 2x2, 10Gbps as USB 3.2 Gen 2 and 5Gbps as USB 3.2 Gen 1. The 15 W is 5V x 3A.

Rear USB ports

9=CalculatedFrom Rear ports

10=CalculatedFrom Rear ports

Rear USB-C portsiIncludes Thunderbolt and USB4 ports.

1=CalculatedFrom Rear ports

2=CalculatedFrom Rear ports

Fastest rear USB port

5Gbps=CalculatedFrom Rear ports

20Gbps=CalculatedFrom Rear ports

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

Not available

Not available

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.

AASRock B860 Challenger 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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 1 Front Panel Type C USB 3.2 Gen1 header, 1 USB 3.2 Gen1 header (2 ports) and 2 USB 2.0 headers (4 ports).

BASUS ROG STRIX Z890-H GAMING WIFI

Header	Max data rate (Gbps)	Headers	Front ports served
USB-C header	20	1	1
USB 3 header (19-pin)	5	1	2
USB 2.0 header (9-pin)	0.48	2	4

Source1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Front USB: 1 x USB 20Gbps connector (Type-C), 1 x USB 5Gbps header for 2 ports and 2 x USB 2.0 headers for 4 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.

71Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 2 CPU fan connectors (4-pin), 4 chassis fan connectors (4-pin) and 1 AIO pump fan connector (4-pin). The block diagram says FAN x7.

81Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026CPU fan, CPU OPT fan, AIO pump and 5 chassis fan headers, all 4-pin.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Table of fan and pump headers: CPU_FAN, CPU_OPT, CHA_FAN1 to CHA_FAN5 and AIO_PUMP, 1 A each.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 3 x addressable LED headers (5V, 3A total).

31Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 20263 x Addressable Gen 2 headers.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 1 x RGB LED header (12V, 3A total).

01Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026The internal connector list has 3 Addressable Gen 2 headers and no 12 V RGB header.

Networking

3 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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: Dragon RTL8125BG, 2.5 Gigabit LAN. The suffix BG is left out.

Realtek RTL81264Maker product pageasus.com/support/api/product.asmx/GetPDDriversRead 14 October 2026ASUS's driver feed for the model lists the LAN driver package DRV_LAN_Realtek_8126_TSD_W11_64 with the notice Improve RTL8126 compatibility. The spec page says Realtek 5Gb Ethernet. The same feed lists Wi-Fi driver packages for both MediaTek MT7925/MT7927 and Intel, so the installed Wi-Fi module is not stored.

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.

Yes1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Sections 1.2 and 1.6: the board comes with an 802.11be Wi-Fi 7 plus Bluetooth module, in the M.2 Key E socket.

Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026A Wi-Fi module is listed on the back panel (1 x Wi-Fi module).

Wi-Fi standard

Wi-Fi 71Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: supports IEEE 802.11a/b/g/n/ac/ax/be.

Wi-Fi 71Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 20262x2 Wi-Fi 7 (802.11be).

Wi-Fi bandsiBands the installed module supports.

2.4 GHz, 5 GHz, 6 GHz1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: supports the 2.4GHz/5GHz/6GHz frequency bands. The 6 GHz band depends on country regulations.

2.4 GHz, 5 GHz, 6 GHz1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Supports 2.4/5/6GHz. The 6 GHz band and bandwidth vary by country.

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.

160MHz1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: supports 160MHz channel bandwidth with the 6GHz frequency band.

160MHz1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Wi-Fi 7 160MHz bandwidth, up to 2.9 Gbps.

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.

Realtek RTL8922AE5Reviewpcinq.com/asrock-b860-challenger-wifi-reviewRead 15 October 2026Component list: Realtek RTL8922AE on an AzureWave AW-EB601NF module, Wi-Fi 7 and Bluetooth 5.4. The manual block diagram shows AW-EB601NF on the Key E socket. No other source names the chip.

Not available

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

5.41Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Sections 1.2 and 1.6: supports Bluetooth 5.4.

5.41Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Bluetooth v5.4. The page says the version may vary and refers to the Wi-Fi module maker.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.2: 7.1 CH HD Audio (Realtek ALC897 Audio Codec).

Realtek ALC1220P1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Realtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC with a Savitech SV3H712 amp.

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.

Yes1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Sections 1.4 and 2.14: a BIOS Flashback button on the rear panel and a USB BIOS Flashback port.

Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026BIOS FlashBack button on the back panel.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 2.11: Clear CMOS is a 2-pin jumper (CLRMOS1). The rear panel list has no clear CMOS button.

Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Clear CMOS button on the back panel.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 2.13: Post Status Checker with four status LEDs for CPU, DRAM, VGA and BOOT. It is not a two-digit display.

No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Special features list ASUS Q-LED with four status LEDs (CPU, DRAM, VGA, boot device). No Q-Code display is listed.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Layout item 19: Q-LEDs (CPU, DRAM, VGA and boot device). No two-digit display on the layout.

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%20Challenger%20WiFi.pdfRead 15 October 2026Section 2.14: the motherboard has one smart button, the BIOS Flashback button on the rear panel. The layout lists no power or reset button on the board.

Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Start button listed under internal connectors.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Layout item 16: Start button.

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%20Challenger%20WiFi.pdfRead 15 October 2026The specification chapter lists no second BIOS chip. Dual BIOS is not stated.

No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026BIOS is a single 256 Mb flash ROM. Dual BIOS is not stated.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026Specifications summary: 256 Mb Flash ROM, UEFI AMI BIOS. Dual BIOS is not stated.

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

Yes4Spec databasegeizhals.de/asrock-b860-challenger-wifi-90-mxbuc0-a0uayz-a3751620.htmlRead 15 October 2026Features: integrated I/O shield.

Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Special features list: Pre-mounted 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 latch, Tool-free M.2 heatsink1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Sections 2.15 to 2.17: the M.2 SSDs are secured by turning a nut lock, and the M2_1 heatsink comes off with a release button. The antennas screw on, so there is no push-on antenna connector. The manual names no PCIe release.

Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release, Push-on antenna connector1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026ASUS Q-Design: M.2 Q-Latch, M.2 Q-Release (heatsink switch), M.2 Q-Slide, PCIe Slot Q-Release Slim and Q-Antenna.2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026M.2 Q-Release switch removes the M.2 heatsink without screws. The new M.2 Q-Latch installs and removes M.2 SSDs tool-free.

Measured

None of 3 known

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

Not available

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

1 of 1 differ

In the boxiItems as the maker lists them.

2 x Serial ATA (SATA) Data Cables, 2 x ASRock WiFi 2.4/5/6 GHz Antennas, 1 x Screw for M.2 Socket, 1 x Standoff for M.2 Socket1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026Section 1.1. The manual marks the cables, antennas, screw and standoff as optional. The motherboard itself is not listed here.

2 x SATA 6Gb/s cables, 1 x Thermal pad for M.2 22110, 1 x ASUS WiFi Q-Antenna, 1 x Cable ties package, 1 x M.2 Q-Latch package, 1 x ROG key chain, 1 x ROG Strix stickers, 4 x M.2 rubbers, 1 x Quick Start Guide1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026Accessories list on the specification page, the same as the manual's package contents.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026

Links

Not compared

Product page

asrock.com/mb/Intel/B860%20Challenger%20WiFi/index.asp2Maker product pageasrock.com/mb/Intel/B860%20Challenger%20WiFi/index.aspRead 15 October 2026The URL comes from the job evidence. The page returned a connection reset and a bot check page, so it was not read. Values come from the manual and retailer copies of the maker's text.

rog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifiRead 14 October 2026

Spec sheet

www.asrock.com/mb/Intel/B860%20Challenger%20WiFi/Specification/index.asp2Maker product pageasrock.com/mb/Intel/B860%20Challenger%20WiFi/index.aspRead 15 October 2026The Specification page follows ASRock's usual address pattern. It returned no content, so it was not read.

rog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/spec1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-z890-h-gaming-wifi/specRead 14 October 2026

Manual

download.asrock.com/Manual/B860%20Challenger%20WiFi.pdf1Owner's manualdownload.asrock.com/Manual/B860%20Challenger%20WiFi.pdfRead 15 October 2026ASRock manual for the B860 Challenger WiFi, Version 1.0, published December 2025, on download.asrock.com. It states most values in chapter 1.2 Specifications and in the installation chapter.

dlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdf3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/LGA1851/ROG_STRIX_Z890-H_GAMING_WIFI/E25421_ROG_STRIX_Z890-H_GAMING_WIFI_EM_WEB.pdfRead 14 October 2026ASUS user's manual E25421, first edition, December 2024.

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

1 of 1 differ

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.

3years5Reviewpcinq.com/asrock-b860-challenger-wifi-reviewRead 15 October 2026Spec table: warranty 3 years. The review does not name the market.

Not available

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