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ASUS TUF GAMING B550-PLUS WIFI II vs GIGABYTE Z890 AORUS MASTER

A

Product A: ASUS

TUF GAMING B550-PLUS WIFI II

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B

Product B: GIGABYTE

Z890 AORUS MASTER

69 of 78 known

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Only differences

AASUS TUF GAMING B550-PLUS WIFI II

BGIGABYTE Z890 AORUS MASTER

General

3 of 9 differ

Series

TUF Gaming3Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-iiRead 15 October 2026TUF Gaming is the ASUS line in the product name.

AORUS1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Manual cover: Z890 AORUS MASTER. AORUS is the GIGABYTE brand line in the name.

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

TUF GAMING B550-PLUS WIFI II, 90MB19U0-M0EAY06Retailer pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 2026Manufacturer model number 90MB19U0-M0EAY0.8Retailer pageoffice-partner.de/asus-tuf-gaming-b550-plus-wifi-ii-mainboard-sockel-ryzen-am4-20131627Read 15 October 2026Herstellernummer 90MB19U0-M0EAY0.

Z890 AORUS MASTER1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Regulatory page: Model Number Z890 AORUS MASTER.

GTIN / EAN

4711081338413, 47180178627766Retailer pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 2026Scan UK lists GTIN 4718017862776 for part number 90MB19U0-M0EAY0. office-partner.de lists EAN 4711081338413 for the same part number. The two codes differ and may be regional barcodes. Both are stored.8Retailer pageoffice-partner.de/asus-tuf-gaming-b550-plus-wifi-ii-mainboard-sockel-ryzen-am4-20131627Read 15 October 2026EAN 4711081338413 for part number 90MB19U0-M0EAY0.

47193318649039Retailer pagescan.co.uk/products/gigabyte-z890-aorus-masterRead 14 October 2026GTIN 4719331864903.10Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/534a3775/670ec91d2893ec0018c0bba1/product-pdfRead 14 October 2026Retailer product sheet of 2024-10-15 (pimberly feed, linked from a Datek store listing): EAN 4719331864903.

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

Not available

October 20244Press articletomshardware.com/pc-components/motherboards/new-motherboards-for-intel-arrow-lake-cpus-are-announcedRead 14 October 2026Article of 2024-10-11 lists the Z890 Aorus Master among the new Gigabyte Z890 boards announced with Intel Arrow Lake. Wccftech lists it for pre-order on 2024-10-10.

Status

Available5Maker product pageasus.com/us/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/where-to-buyRead 15 October 2026ASUS US where-to-buy page lists the board in stock at six retailers on 2026-10-15.9Retailer pagemaxmybuild.com/motherboards/asus-tuf-gaming-b550-plus-wifi-iiRead 15 October 2026Lists the board in stock at Amazon at $109.99 and at Newegg at $119.99, updated 2026-10-15.

Available8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Listed since 2024-10-09 with offers from many shops on 2026-10-14.

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

$599.993Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Priced at $599.99, the MSRP did go up from the Z790 Aorus Master X ($550). The US price excludes sales tax. Wccftech's Newegg pre-order listing of 2024-10-10 says the same.11Press articlewccftech.com/intel-z890-motherboards-available-pre-order-prices-starting-199-us-asus-asrock-gigabyte-msi/ampRead 14 October 2026Lists the Gigabyte Z890 Aorus Master at $599.99 in a Newegg pre-order listing, excl. sales tax. A retailer price, not a GIGABYTE statement. Tom's review gives the same MSRP.

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.

Gaming2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026The page sits in the ASUS TUF Gaming family under the ASUS Gaming menu.

Gaming9Retailer pagescan.co.uk/products/gigabyte-z890-aorus-masterRead 14 October 2026The product photo shows the box line GAMING MOTHERBOARD under the name. The AORUS line is GIGABYTE's gaming brand. Geizhals files the board as Mainstream.

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

Not available

Platform

3 of 4 differ

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

AM41Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: AMD AM4 Socket.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

LGA18511Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 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.

AMD B5501Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 20262Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

Intel Z8901Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 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.

AMD Ryzen 5000 Series, AMD Ryzen 5000 G-Series, AMD Ryzen 4000 G-Series, AMD Ryzen 3000 Series1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: AMD AM4 socket for Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series desktop processors. The manual refers to www.asus.com for the CPU support list. Read on 2026-10-15.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

Intel Core Ultra (Series 2)1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: LGA1851 socket, Intel Core Ultra Processors. The manual refers to the maker's website for the CPU support list. Retail listings name Intel Core Ultra (Series 2). Read on 2026-10-14.

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

Yes10Spec databaseeatyourbytes.com/chipsetdetail/amd_b550Read 15 October 2026The chipset page lists AMD B550 as supporting overclocking. This is the chipset's feature, not a board spec.

Yes3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026The 18-phase VRM handles a Core Ultra 9 285K overclock. The board lists AI overclocking. The review itself did not overclock the CPU.

Board

1 of 5 differ

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

ATX1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: ATX form factor, 12 inch x 9.6 inch (30.5 cm x 24.4 cm).

ATX1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.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)1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: 12 inch x 9.6 inch (30.5 cm x 24.4 cm). The 244 mm side is the width, as for ATX.

Width244Height305mm(9.6 × 12 in)1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: ATX form factor, 30.5cm x 24.4cm.

PCB layersiCopper layers in the circuit board as published.

Not available

86Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 20268 layers.9Retailer pagescan.co.uk/products/gigabyte-z890-aorus-masterRead 14 October 20268-layer PCB, low-loss, 2X 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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026The chapter 1 layout shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.

No1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026The section 1-1 layout and 2-8 connector pages show the usual front-side 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.

Yes3Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-iiRead 15 October 2026The Aura Sync section describes full RGB lighting control for the built-in RGB LEDs as well as strips on the onboard RGB headers. The maker's product photo shows an orange glow at the lower right edge of the board.6Retailer pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 2026ASUS Aura with full RGB control for the built-in RGB LEDs and the onboard headers.

Yes3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Heatsinks with the AORUS branding are illuminated by RGB LEDs and another RGB strip lights the bottom of the board.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026RGB Fusion 2.0 lighting on the aluminium cover over the rear I/O and under the chipset block.

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.

8+23Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-iiRead 15 October 2026The overview text says the VRM uses 8+2 DrMOS power stages that combine high-side and low-side MOSFETs and driver in one package. The page title and meta text say 10 DrMOS power stages, which is the same total. No amperage rating is given.

18+1+2+13Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Review text: 21 phases, 18 for Vcore. The maker's 18+1+2+1 comes from the retailer product sheet.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 202618 phases for VccCore in 9+9 parallel, 1 for VccGT and 2 for VccSA. This fits 18+1+2 and the maker's 18+1+2+1.10Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/534a3775/670ec91d2893ec0018c0bba1/product-pdfRead 14 October 2026Key features: Digital 18+1+2+1 Phases 110A SPS VRM with Tantalum Polymer Capacitor.

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.

83Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-iiRead 15 October 20268 of the 10 DrMOS power stages are for the CPU core, from the 8+2 layout.

183Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 202618 Renesas R2209004 SPS MOSFETs rated at 110A each in a twin configuration.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 202618 Renesas R2209004 MOSFETs of 110A.

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

110A3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026The spec table says 18x 110A SPS MOSFETs for Vcore.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 202618 Renesas R2209004 of 110A. The same as the maker's 110A SPS.9Retailer pagescan.co.uk/products/gigabyte-z890-aorus-masterRead 14 October 202618+1+2 Digital Twin VRM with 110A Smart Power Stage modules, copying GIGABYTE's text.10Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/534a3775/670ec91d2893ec0018c0bba1/product-pdfRead 14 October 2026Digital 18+1+2+1 Phases 110A SPS VRM.

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

Renesas RAA2291303Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Power flows to the familiar Renesas RAA229130 PWM controller. Profesional Review agrees. Geizhals lists a second controller, RAA229134.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026Renesas RAA229130 digital controller.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026PWM controller row: RAA229130 (max 12 phases) and RAA229134 (max 4 phases). The first is stored, as Tom's and Profesional Review name it.

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

8 pin1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Internal connectors: 1 x 24-pin main power and 1 x 8-pin +12V power connector. The manual says to ensure the 8-pin power plug is connected.

8+8 pin1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 2 x 8-pin ATX 12V power connectors 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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026The internal connector list has no extra slot power connector.

No1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026The section 2-2 internal connector list has no extra slot power connector.

Memory

5 of 6 differ

Memory type

DDR41Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: 4 x DIMM, max. 128GB, DDR4 unbuffered memory, dual channel.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

DDR51Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 4 x DDR5 DIMM sockets, up to 256 GB (64 GB single DIMM), dual channel. The manual lists only 6400/5600 MT/s memory.

Memory slotsiDIMM slots on the board.

41Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 20262Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

41Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 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.

128GB1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 20262Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 20264 DIMM slots, up to 128GB of DDR4 unbuffered memory in dual-channel mode.

256GB1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026

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.

4,866MT/s1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026The memory list runs from 2133 to 4866(OC) MHz. The manual says memory frequency support depends on the CPU type and does not name a CPU family or module setup. Ryzen 5000 is the newest family for this board.

9,500MT/s3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Spec table from the Gigabyte website: DDR5-9500+(OC), 256GB. Text: speeds up to DDR5-9500(OC). The review ran DDR5-8200 kits. The maker lists no module setup per speed. Core Ultra 200S is the only CPU family for this board.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 20269500 MHz with XMP 3.0. The review tested 8200 MHz.7Reviewgeeknetic.es/Review/2973/Gigabyte-Z890-AORUS-MASTER-Review.htmlRead 14 October 2026Review of 2024-11-27: up to 9500 MT/s with overclocking and up to 256 GB of DDR5.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Data rate: DDR5-5600 UDIMM, DDR5-6400 CUDIMM (Core Ultra 200S), max DDR5-9500 OC.10Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/534a3775/670ec91d2893ec0018c0bba1/product-pdfRead 14 October 2026Key features: up to 9500MHz DDR5 (OC). Supported memory clock speeds list ends 8600 and 9500, maximum 9500 MHz.

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.

Yes1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: ECC memory (ECC mode) support varies by CPU. The maker lists no non-ECC mode qualifier for the board, so it counts as ECC.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026The page says ECC support depends on the CPU.

No1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: ECC unbuffered DIMM 1Rx8/2Rx8 modules operate in non-ECC mode.

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

Not available

Yes3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026The review ran Kingston and G.Skill CUDIMM kits up to DDR5-8200 without trouble, with the 285K. It does not state the clock driver mode.7Reviewgeeknetic.es/Review/2973/Gigabyte-Z890-AORUS-MASTER-Review.htmlRead 14 October 2026The review says CUDIMM is supported.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Data rate row names DDR5-6400 CUDIMM for Core Ultra 200S.

Expansion slots

3 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.

AASUS TUF GAMING B550-PLUS WIFI II

Physical slot	Electrical lanes	PCIe generation	Connected to	Count
PCIe x16	16	4	CPU	1
PCIe x16	4	3	Chipset	1
PCIe x1	1	3	Chipset	3

Source1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Ryzen 5000 and 3000: 1 x PCIe 4.0 x16 slot at x16. Ryzen 5000 G and 4000 G: the same slot runs at PCIe 3.0. B550 chipset: 1 x PCIe 3.0 x16 slot (PCIEX16_2) at x4 and 3 x PCIe 3.0 x1 slots. PCIEX16_2 runs at x1 when any x1 slot is occupied. The Ryzen 5000 value is stored.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

BGIGABYTE Z890 AORUS MASTER

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

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: PCIEX16 is from the CPU, PCIe 5.0 at x16, and drops to x8 when a device is in M2D_CPU. PCIEX4 and PCIEX1 are x16-length slots on the chipset, PCIe 4.0 running at x4 and x1. Scan UK and Geizhals say the x1 slot is PCIe 3.0. The manual is stored. Tom's confirms the lane sharing.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Three full-length PCIe slots. The top slot is the CPU PCIe 5.0 x16. The two below run through the chipset at PCIe 4.0 x4 and x1. The top slot drops to x8 when M2D_CPU is populated.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Lists the third slot as PCIe 3.0 x16 at x1. The manual says PCIe 4.0 and is stored.

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.

4=CalculatedFrom Expansion slots

5=CalculatedFrom Expansion slots

Storage

4 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.

AASUS TUF GAMING B550-PLUS WIFI II

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink	Shares lanes with
M.2_1	4	4	CPU	M.2 22110	Yes	Yes	Not available
M.2_2	3	4	Chipset	M.2 22110	Yes	Yes	SATA6G_56 is disabled when M.2_2 is populated

Source1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary and item 6 of the board overview. M.2_1 is a Key M slot for 2242/2260/2280/22110 with PCIe 4.0 x4 and SATA modes on Ryzen 5000 and 3000 (PCIe 3.0 x4 on the G-Series). M.2_2 takes the same lengths with PCIe 3.0 x4 and SATA modes from the B550 chipset. M.2_2 shares bandwidth with SATA6G_56, which is disabled when M.2_2 is populated. The specification lists a single aluminum M.2 heatsink.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 20266Retailer pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 2026The page copy says dual M.2 heatsinks.9Retailer pagemaxmybuild.com/motherboards/asus-tuf-gaming-b550-plus-wifi-iiRead 15 October 2026Lists heatsinks on all M.2 slots. The maker's product photo shows a heatsink plate over each of the two M.2 slots.

BGIGABYTE Z890 AORUS MASTER

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink	Shares lanes with
M2A_CPU	5	4	CPU	M.2 22110	No	Yes	Not available
M2B_CPU	4	4	CPU	M.2 22110	No	Yes	Not available
M2D_CPU	5	4	CPU	M.2 22110	No	Yes	The PCIe x16 slot runs at x8
M2P_SB	4	4	Chipset	M.2 2280	No	Yes	Not available
M2M_SB	4	4	Chipset	M.2 2280	Yes	Yes	Not available

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2 and 2-8. M2A_CPU takes 25110/22110/2580/2280, PCIe 5.0 x4/x2. M2B_CPU takes 22110/2280, PCIe 4.0 x4/x2, from the CPU. M2D_CPU takes 22110/2280, PCIe 5.0 x4/x2, and shares bandwidth with PCIEX16. M2P_SB takes 2280, PCIe 4.0 x4/x2. M2M_SB takes 2280, PCIe 4.0 x4/x2 and SATA. The 2-8 table marks M.2 SATA SSDs as supported on M2M_SB only. 22110 is stored for 25110 and 22110 slots. The 2-8 steps remove a motherboard heatsink for every slot.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Spec table: two PCIe 5.0 x4 sockets up to 110 mm, one PCIe 4.0 x4 up to 110 mm, one PCIe 4.0 x4 up to 80 mm and one PCIe 4.0 x4 PCIe/SATA up to 80 mm. Text: five M.2 sockets under the heatsinks, each with the M.2 EZ Latch. M2M_SB takes SATA as well.

M.2 slots

2=CalculatedFrom M.2 storage slots

5=CalculatedFrom M.2 storage slots

PCIe 5.0 M.2 slots

0=CalculatedFrom M.2 storage slots

2=CalculatedFrom M.2 storage slots

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

61Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: 6 x SATA 6Gb/s ports. SATA6G_56 is disabled when M.2_2 is populated.

41Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 4 x SATA 6Gb/s connectors.

Rear ports

5 of 5 differ

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

AASUS TUF GAMING B550-PLUS WIFI II

Type	Version	Count	Max link rate (Gbps)
USB-C	USB 3.2 Gen 2	1	10
USB-A	USB 3.2 Gen 2	1	10
USB-A	USB 3.2 Gen 1	4	5
USB-A	USB 2.0	2	0.48
DisplayPort	DisplayPort 1.2	1	Not available
HDMI	HDMI 2.1	1	Not available
Ethernet (RJ45)	Not available	1	2.5
3.5 mm audio	Not available	5	Not available
Optical S/PDIF	Not available	1	Not available

Source1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Back panel I/O: 2 USB 3.2 Gen 2 ports (1 Type-A and 1 Type-C), 4 USB 3.2 Gen 1 Type-A, 2 USB 2.0 Type-A, 1 DisplayPort (DisplayPort 1.2), 1 HDMI (HDMI 2.1, 4K@60Hz), 1 Realtek 2.5Gb Ethernet port, 5 audio jacks, 1 optical S/PDIF out, 1 ASUS Wi-Fi module and the BIOS FlashBack button. The page does not state DisplayPort Alt Mode for the Type-C port.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

BGIGABYTE Z890 AORUS MASTER

Type	Version	Count	Max link rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
USB-C	USB4	2	40	Thunderbolt 4	Yes
USB-A	USB 3.2 Gen 2	6	10	Not available	Not available
USB-A	USB 3.2 Gen 1	4	5	Not available	Not available
USB-A	USB 2.0	2	0.48	Not available	Not available
Ethernet (RJ45)	Not available	1	10	Not available	Not available
3.5 mm audio	Not available	2	Not available	Not available	Not available
Optical S/PDIF	Not available	1	Not available	Not available	Not available

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2 and 2-6: 2 Intel Thunderbolt 4 connectors (USB4 Type-C, also USB 3.2 Gen 2x2 compatible, DisplayPort and Thunderbolt video), 6 USB 3.2 Gen 2 Type-A (red), 4 USB 3.2 Gen 1, 2 USB 2.0, 1 RJ-45 up to 10 Gbps, 2 audio jacks and 1 optical S/PDIF out. The USB 3.2 Gen 1 ports are not named Type-A in the manual. Tom's lists them with the Type-A ports and the Thunderbolt ports are the only Type-C on the panel, so they are stored as Type-A. Thunderbolt is stored as 40 Gbps (Tom's). The Q-Flash Plus button and two antenna connectors are not ports. HDMI is the internal F_HDMI header.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026The rear panel has 14 USB ports: two Thunderbolt 4 (40 Gbps) Type-C ports that also give video, six USB 3.2 Gen 2 (10 Gbps, all Type-A), four USB 3.2 Gen 1 (5 Gbps) and two USB 2.0. One 10 GbE port, two analog jacks and S/PDIF. The text says 20 Gbps for the Gen 2 ports, which is a typo, since the spec table and the maker say 10.

Rear USB ports

8=CalculatedFrom Rear ports

14=CalculatedFrom Rear ports

Rear USB-C portsiIncludes Thunderbolt and USB4 ports.

1=CalculatedFrom Rear ports

2=CalculatedFrom Rear ports

Fastest rear USB port

10Gbps=CalculatedFrom Rear ports

40Gbps=CalculatedFrom Rear ports

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

Not available

Yes=CalculatedFrom Rear ports

Internal connectors

5 of 5 differ

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

AASUS TUF GAMING B550-PLUS WIFI II

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

Source1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Internal connectors: 1 USB 3.2 Gen 1 header for 2 additional ports and 2 USB 2.0 headers for 4 additional ports. A Thunderbolt header for an add-in card is not a USB header.

BGIGABYTE Z890 AORUS MASTER

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

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2 and 2-8: USB Type-C header with USB 3.2 Gen 2x2 (20 Gbps), 2 USB 3.2 Gen 1 headers (4 ports) and 2 USB 2.0/1.1 headers (4 ports). The manual gives no power output for the Type-C header.

Front USB-C header speed

Not available

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.

61Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Internal connectors: 1 CPU fan, 1 CPU OPT fan, 1 AIO pump and 3 chassis fan headers, all 4-pin.

101Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 1 CPU fan, 1 CPU fan/pump, 4 system fan and 4 system fan/pump headers. Tom's also counts 10.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Spec table: 10 four-pin fan and pump headers, each with 2A/24W output.

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.

21Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Internal connectors: 2 x AURA Addressable Gen 2 headers.

41Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 4 x addressable RGB Gen2 LED strip 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.

21Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Internal connectors: 2 x AURA RGB headers.

11Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 1 x RGB LED strip header.

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 RTL81254Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/helpdesk_downloadRead 15 October 2026Driver list: Realtek RTL8125 LAN driver. The spec page says Realtek 2.5Gb Ethernet. Retailers write RTL8125B. The suffix is left out.6Retailer pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 20262.5G Ethernet, Realtek RTL8125B.7Retailer pageinet.se/produkt/1903695/asus-tuf-gaming-b550-plus-wifi-iiRead 15 October 2026LAN chip: Realtek RTL8125B 2.5G.

Marvell AQC1131Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: Marvell AQtion AQC113C 10GbE LAN chip. The suffix C is left out. Geizhals reads AQC113CS. AQtion is the family name and is left out, as on the other boards.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026Marvell AQtion AQC113C, 10 GbE.

Ethernet ports

1=CalculatedFrom Rear ports

1=CalculatedFrom Rear ports

Ethernet speediFastest Ethernet port.

2.5Gbps=CalculatedFrom Rear ports

10Gbps=CalculatedFrom Rear ports

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

Yes1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Back panel I/O lists 1 x ASUS Wi-Fi module and the package has 2x2 Wi-Fi antennas.

Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2 and the block diagram: an M2_WIFI socket carries the Wi-Fi module.

Wi-Fi standard

Wi-Fi 61Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax).2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

Wi-Fi 71Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 802.11a, b, g, n, ac, ax and be.

Wi-Fi bandsiBands the installed module supports.

2.4 GHz, 5 GHz1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: supports the 2.4/5GHz frequency band. No 6 GHz band.

2.4 GHz, 5 GHz, 6 GHz1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: 2.4/5/6 GHz carrier frequency bands. The 6 GHz band depends on country 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/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: support for the 11be 320MHz wireless standard.

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 BE2001Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: Intel Wi-Fi 7 BE200NGW. The suffix NGW is left out.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026Intel Wi-Fi 7 BE200 with Bluetooth 5.4.7Reviewgeeknetic.es/Review/2973/Gigabyte-Z890-AORUS-MASTER-Review.htmlRead 14 October 2026Intel Wi-Fi 7 BE200NGW, 2x2, MLO and 320 MHz channels on 6 GHz, Bluetooth 5.4.

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

5.21Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: Bluetooth v5.2, which needs Windows 11 or later.2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026Bluetooth v5.2, which needs Windows 11 or later. The page repeats the manual.

5.41Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: Bluetooth 5.4.

Audio

2 of 2 differ

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

Realtek ALCS1200A6Retailer pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 2026Realtek ALC S1200A, 7.1 HD audio. Written ALCS1200A as Realtek names the part. The maker names only a Realtek 7.1 codec.7Retailer pageinet.se/produkt/1903695/asus-tuf-gaming-b550-plus-wifi-iiRead 15 October 2026Audio chip: Realtek ALC S1200A.

Realtek ALC12201Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: Realtek ALC1220 CODEC.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026Realtek ALC1220 codec with an ESS ES9118 DAC, WIMA capacitors and DTS:X Ultra.

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

ESS ES91181Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: ESS ES9118 DAC chip. Tom's writes ESS SABRE9118.6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026ESS ES9118 DAC.

Features

5 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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Back panel I/O lists the BIOS FlashBack button. EZ DIY lists the BIOS FlashBack button and LED.

Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-6: Q-Flash Plus button and a red Q-Flash Plus USB port on the back panel. It updates the BIOS with the system off.

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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Internal connectors: 1 x Clear CMOS header. The back panel list has only the BIOS FlashBack button.

Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2 and 2-6: Clear CMOS button on the back panel. A Clear CMOS jumper also exists.

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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Q-Design lists Q-LED with four status LEDs (CPU, DRAM, VGA, boot device). No Q-Code display is listed.

Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 1-1 layout shows DB_PORT, with the note that debug code information is in the Debug LED Codes pages (section 5-2), which list two-character codes. Section 2-7 also lists four status LEDs (CPU, DRAM, VGA, BOOT). Tom's lists a two-character Debug port, and the Scan UK photo shows the two-digit display near the top right corner.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Spec table: Debug Port (2-character) and Debug LEDs. Text: a two-character Debug port and a four-LED POST debugger.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Features: diagnostic LED with segment display, so a code display.

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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026The manual lists the power button only as the 2-pin PWRSW pin on the system panel header. The layout has no power or start button on the board.

Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2 and 2-7: power button and reset button on the board.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Spec table: one power button and one reset 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 manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Specifications summary: 256 Mb Flash ROM, UEFI AMI BIOS. Dual BIOS is not stated.

No1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-2: BIOS is 1 x 256 Mbit flash. Dual BIOS is not stated. The layout shows one BIOS chip, M_BIOS.

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

No1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026The package contents list 1 x I/O Shield as a loose item.

Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026The section 1-3 box contents list has no loose I/O shield. Geizhals lists an integrated I/O shield and the Scan UK photo shows the shield on the board.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Features: integrierte I/O-Blende.

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.

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Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release, Push-on antenna connector1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 2-8: M.2 EZ-Latch Plus (screwless M.2 SSD clip) and M.2 EZ-Latch Click (screwless heatsink). The PCIe EZ-Latch Plus button and the WIFI EZ-Plug are from Tom's and Geizhals. Tom's lists a Wi-Fi antenna with EZ-plug in the box.3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026EZ Latch on all five M.2 sockets, a PCIe EZ Latch button on the top slot and an antenna with EZ-plug in the box.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Antenna connectors are listed as Quick Connect.

Measured

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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.

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55°C6Reviewprofesionalreview.com/2024/10/24/z890-aorus-master-review/ampRead 14 October 2026Core Ultra 9 285K at stock (PL1=PL2=250 W, 245 W peak), Corsair iCUE H150i ELITE LCD cooler, CPU stress test. HWiNFO board VRM sensor read 55 C at full stock load and a FLIR One camera read 55 C on the outside of the VRM. The sensor reading is stored. Stress test tool, duration and ambient temperature are not stated. Tom's writes just over 40 C on its sensors with the CPU at about 201 W.

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.

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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.

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291W5Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-review/3Read 14 October 2026Power Consumption / VRM Temperatures page. Core Ultra 9 285K, Arctic Liquid Freezer II 420, RTX 4080, AIDA64 System Stability Test with Stress CPU, FPU, Cache and Memory, stock settings, performance profile at 250 W. The system peaked at 291 W, read at the wall with a Kill-A-Watt meter for the entire PC without the monitor. The CPU itself peaked at about 201 W. No idle figure is given in the text.

In the box

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In the boxiItems as the maker lists them.

1 x TUF GAMING B550-PLUS WIFI II motherboard, 2 x SATA 6Gb/s cables, 1 x I/O Shield, 1 x M.2 Rubber package, 1 x M.2 SSD screw package, 1 x TUF Gaming sticker, 1 x ASUS 2x2 dual-band Wi-Fi moving antennas, 1 x Support DVD, 1 x TUF Certification card, 1 x User manual1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026Package contents on page vi of the manual.

Z890 AORUS MASTER motherboard, User's Manual, Quick Installation Guide, One antenna, DDR Wind Blade, Two SATA cables, One noise detection cable, Two thermistor cables, One G Connector, Two M.2 thermal pads, Three packs of M.2 thick/thin rubber pads1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026Section 1-3. The list is for reference and the manual says the actual items depend on the package.

Links

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Product page

www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii3Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-iiRead 15 October 2026

www.gigabyte.com/Motherboard/Z890-AORUS-MASTER2Maker product pagegigabyte.com/Motherboard/Z890-AORUS-MASTERRead 14 October 2026The URL comes from the job evidence and search results. gigabyte.com blocks agents, so the page was not opened. Specifications were read from the user's manual, a retailer product sheet and reviews that copy the maker's spec table.

Spec sheet

www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspec2Maker product pageasus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspecRead 15 October 2026

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Manual

dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdf1Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdfRead 15 October 2026ASUS user's manual E22526, English edition, revision V2, 2023-09-19 on the ASUS support site. The first edition E18578 is dated September 2021.

www.trovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdf1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_z890_master.pdfRead 14 October 2026GIGABYTE User's Manual Rev. 1004 for Z890 AORUS MASTER (48 pages), hosted by trovaprezzi.it. The maker's own manual page was not readable.

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

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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 pagescan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-apluRead 15 October 202636 months, return to base, for the UK market.7Retailer pageinet.se/produkt/1903695/asus-tuf-gaming-b550-plus-wifi-iiRead 15 October 2026Inet is a Swedish shop and lists a 3-year manufacturer warranty.8Retailer pageoffice-partner.de/asus-tuf-gaming-b550-plus-wifi-ii-mainboard-sockel-ryzen-am4-20131627Read 15 October 20263 years manufacturer warranty on a German shop page.

3years3Reviewtomshardware.com/pc-components/motherboards/gigabyte-z890-aorus-master-motherboard-reviewRead 14 October 2026Spec table: 3 Years. This is a US reviewer and the market is not named. Scan UK states 24 months.8Spec databasegeizhals.de/gigabyte-z890-aorus-master-a3327967.htmlRead 14 October 2026Garantie 3 Jahre.9Retailer pagescan.co.uk/products/gigabyte-z890-aorus-masterRead 14 October 202624 months, direct, for the UK market. Tom's and Geizhals say 3 years.10Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/534a3775/670ec91d2893ec0018c0bba1/product-pdfRead 14 October 2026Warranty period 3 year(s).

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