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GIGABYTE B550M K vs MSI B550M PRO-VDH WIFI

A

Product A: GIGABYTE

B550M K

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B

Product B: MSI

B550M PRO-VDH WIFI

56 of 78 known

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Only differences

AGIGABYTE B550M K

BMSI B550M PRO-VDH WIFI

General

2 of 9 differ

Series

Not available

PRO1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026The manual and the MSI datasheet name no series. The board's name carries PRO, MSI's B550 launch press release has a PRO Series section, and the datasheet tagline is Business Elegance.9Press releasethefpsreview.com/2020/05/21/pr-msi-announces-mpg-mag-and-pro-series-amd-b550-motherboards-with-cutting-edge-pcie-4-0-supportRead 15 October 2026The press release's PRO Series section covers the B550-A PRO, and its tag list names the B550M PRO-VDH WIFI. MSI sells the board in the PRO line.11Spec databasebuildcores.com/products/Motherboard/uxu3t8vy1/MSI-B550M-PRO-VDH-WIFIRead 15 October 2026Page title: MSI PRO B550M PRO-VDH WIFI AM4 DDR4 Micro-ATX. The page's spec table is loaded by script and was not read.

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

B550M K1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The manual cover names the model B550M K. The product page lists revisions 1.0, 1.1 and 1.2 under the same name.

B550M PRO-VDH WIFI, 7C95-001R, 911-7C95-081, 911-7C95-0943Maker product pagepl-store.msi.com/collections/power-up-z-msi/products/b550m-pro-vdh-wifi-1Read 15 October 2026MSI Polish store SKU 911-7C95-081 (store feed) for B550M PRO-VDH WIFI. The same code is on MSI's EU business store.4Maker product pagetw-store.msi.com/products/b550m-pro-vdh-wifiRead 15 October 2026MSI Taiwan store SKU 911-7C95-094 in its product feed.6Retailer pageoffice-partner.de/msi-b550m-pro-vdh-wifi-7c95-001r-13042334Read 15 October 2026German authorized MSI dealer: manufacturer number 7C95-001R.7Retailer pageeshop.enzure.se/msi-b550m-pro-vdh-wifi/cat-p/c/p1001165098Read 15 October 2026Article number 7C95-001R.

GTIN / EAN

4719331852764, 8895230360064Retailer pageik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/4a6bea2c/66f2e2428f76e40019820f68/product-pdfRead 15 October 2026Product data sheet for the part B550M K, publication date 24-SEP-2024, barcodes 4719331852764 and 889523036006. Amazon and BuildCores list the same UPC, and several retailers list the same EAN.5Retailer pageamazon.com/dp/B0BTTZFQTPRead 15 October 2026Item details: UPC 889523036006.8Spec databasebuildcores.com/products/Motherboard/x8q2g3bog/Gigabyte-B550M-K-AM4-DDR4-Micro-ATXRead 15 October 2026UPC 889523036006 and EAN 4719331852764. BuildCores also lists EANs 4719331880811 and 4719331805654, which no other source confirms, so they are not stored.

4719072733698, 8241422193936Retailer pageoffice-partner.de/msi-b550m-pro-vdh-wifi-7c95-001r-13042334Read 15 October 2026EAN 4719072733698. enzure.se lists the same EAN for 7C95-001R.7Retailer pageeshop.enzure.se/msi-b550m-pro-vdh-wifi/cat-p/c/p1001165098Read 15 October 2026EAN 4719072733698.8Retailer pageebay.com/p/20039727611Read 15 October 2026Catalog entry for B550M PRO-VDH WIFI: MPN B550M PRO-VDH WIFI and UPC 0824142219393, stored as 824142219393. BuildCores lists another UPC for this board, which is not used.

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

Not available

21 May 20209Press releasethefpsreview.com/2020/05/21/pr-msi-announces-mpg-mag-and-pro-series-amd-b550-motherboards-with-cutting-edge-pcie-4-0-supportRead 15 October 2026MSI's B550 launch press release, posted 2020-05-21, names the B550M PRO-VDH WIFI in its tag list but describes only the B550-A PRO in its PRO Series text. A dated announcement of this board alone was not found, so this is the lineup announcement.

Status

Available5Retailer pageamazon.com/dp/B0BTTZFQTPRead 15 October 2026The page showed the board In Stock on 2026-10-15. Best Sellers Rank was 18 in Computer Motherboards.

Available3Maker product pagepl-store.msi.com/collections/power-up-z-msi/products/b550m-pro-vdh-wifi-1Read 15 October 2026The product is listed at 429 PLN on 2026-10-15. The store page was created on 2026-06-08.4Maker product pagetw-store.msi.com/products/b550m-pro-vdh-wifiRead 15 October 2026The store lists the board for sale at 3,390 TWD on 2026-10-15.12Spec databasemaxmybuild.com/motherboards/msi-b550m-pro-vdh-wifiRead 15 October 2026Shows Amazon and Newegg in stock at 89.99 USD on 2026-10-15.

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

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

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

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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.

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

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ColoursiThe maker's own colour names

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

Mainstream4Retailer pageik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/4a6bea2c/66f2e2428f76e40019820f68/product-pdfRead 15 October 2026The data sheet title names no gaming or creator use. Its tagline reads AMD B550 Ultra Durable. The board is not in a GIGABYTE AORUS, GAMING or EAGLE line, so it is stored as mainstream.

Mainstream2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026The datasheet tagline is Business Elegance and the board sits in MSI's PRO line. MSI names no gaming or creator use.

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.

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Platform

1 of 4 differ

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

AM41Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: AMD Socket AM4.

AM41Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, CPU: AM4 socket.

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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: Chipset AMD B550.

AMD B5501Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: AMD B550 Chipset.

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

AMD Ryzen 5000 Series, AMD Ryzen 5000 G-Series, AMD Ryzen 4000 G-Series, AMD Ryzen 3000 Series1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 lists AMD Ryzen 5000 G-Series, 5000 Series, 4000 G-Series and 3000 Series Processors and refers to GIGABYTE's website for the latest CPU support list. The Rev. 1102 manual adds Ryzen 3000 G-Series, which LDLC says rev. 1.0 boards do not support (3200G and 3400G), so only the four series both manuals list are stored. The list was read on 2026-10-15.2Owner's manualregard.ru/api/site/files/goodspdf/download/30802Read 15 October 2026GIGABYTE User's Manual Rev. 1102, copyright 2026, for B550M K WIFI6E and B550M K, linked from a Russian retailer's page for rev. 1.2. Section 2-2 lists Ryzen 5000 G-Series, 5000, 4000 G-Series, 3000 G-Series and 3000 Series. The four series that rev. 1.0 also lists are stored.

AMD Ryzen 5000 Series, AMD Ryzen 4000 G-Series, AMD Ryzen 3000 Series3Maker product pagepl-store.msi.com/collections/power-up-z-msi/products/b550m-pro-vdh-wifi-1Read 15 October 2026Features: supports AMD Ryzen 5000 and 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors. Read on 2026-10-15. The first-release manual says 3rd Gen AMD Ryzen with a BIOS update.

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

Yes6Maker product pageamd.com/en/products/processors/chipsets/am4.htmlRead 15 October 2026AMD's AM4 chipset specifications table, B550 row: Overclocking Enabled: Yes. This is the chipset maker's feature, not a board spec. The board's BIOS options were not checked.

Yes10Maker product pageamd.com/en/products/processors/chipsets/am4.htmlRead 15 October 2026Specifications table, B550 row: Overclocking Enabled: Yes. This is the chipset maker's feature, not a board spec.

Board

0 of 5 differ

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

Micro-ATX1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: Micro ATX Form Factor, 24.4cm x 24.4cm.

Micro-ATX1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Form Factor: Micro-ATX, 9.6 in. x 9.6 in. (24.4 cm x 24.4 cm).

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.

Width244Height244mm(9.6 × 9.6 in)1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: 24.4cm x 24.4cm, stored as 244 mm by 244 mm.

Width244Height244mm(9.6 × 9.6 in)1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: 9.6 in. x 9.6 in. (24.4 cm x 24.4 cm), stored as 244 mm x 244 mm.

PCB layersiCopper layers in the circuit board as published.

Not available

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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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The section 1-1 layout and the section 2-7 connector list show the usual front-side power, fan and USB connectors.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026The component overview shows the usual front-side power, fan and USB connectors.

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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The complete Specifications list names no lighting on the board and no LED feature. The internal connector list has no RGB or ARGB header.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, LED Features: 1x EZ LED Control switch and 4x EZ Debug LEDs, which are status LEDs. The list names no lighting on the board. The RGB and RAINBOW headers are for external strips.

Power delivery

1 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.

3+35Retailer pageamazon.com/dp/B0BTTZFQTPRead 15 October 2026The GIGABYTE-branded listing says Digital 3+3 VRM Design in its bullets and 3+3 Power Phase in its title. GIGABYTE's own specification page and manuals give no phase count. A 4+3 count in an unreliable review and a 5+3 count on one retailer page disagree. The board photo on this page shows six output chokes beside the CPU socket, so the phases may be doubled and no Vcore stage count is stored.

Not available

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.

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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.

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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

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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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 Internal Connectors: 1 x 24-pin ATX main power connector and 1 x 8-pin ATX 12V power connector.

8 pin1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Internal Connectors: 1x 24-pin ATX main power connector and 1x 8-pin ATX 12V 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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The complete internal connector list has only the 24-pin and 8-pin ATX 12V connectors, so there is no extra slot power connector.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026The internal connector list in the Specifications has no PCIe power connector, only the 24-pin and 8-pin ATX 12V connectors.

Memory

1 of 6 differ

Memory type

DDR41Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: 4 x DDR4 DIMM sockets.

DDR41Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Memory: 4x DDR4 memory slots.

Memory slotsiDIMM slots on the board.

41Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: 4 x DDR4 DIMM sockets.

41Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Memory: 4x DDR4 memory slots.

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

128GB1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: up to 128 GB (32 GB single DIMM capacity) of system memory.

128GB1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Memory: support up to 128GB.

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.

4,733MT/s3Maker product pagegigabyte.com/Motherboard/B550M-K-rev-10/spRead 15 October 2026The search excerpt of the specification page lists DDR4 4733 (O.C.) as the top memory speed and 3200, 2933, 2667, 2400 and 2133 for plain modules. Ryzen 5000 is the newest processor family the board lists. The manuals list only the plain speeds up to 3200, so the product page is used, as the field rule says.4Retailer pageik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/4a6bea2c/66f2e2428f76e40019820f68/product-pdfRead 15 October 2026Supported memory clock speed (max) 4733 MHz, with the list 2133 up to 4733 MHz. It is the data rate in MT/s.5Retailer pageamazon.com/dp/B0BTTZFQTPRead 15 October 2026The listing's GIGABYTE infographic says DDR4 Overclocking up to 4733 MT/s.7Spec databasegeizhals.at/gigabyte-b550m-k-a2901610.htmlRead 15 October 2026RAM-Datenrate row: DDR4-3200 for Ryzen 3000 to 5000 and max. DDR4-4733 OC.

4,400MT/s1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Memory: DDR4 2667 to 4400+ MHz by A-XMP OC mode, 1DPC 1R max speed 4400 MHz (1DPC 2R 3733, 2DPC 1R 3866, 2DPC 2R 3466). JEDEC speeds go up to 3200. MSI's store pages say up to 4400(OC).2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026Memory Support: 4 DIMMs, Dual Channel DDR4-4400 MHz (OC).3Maker product pagepl-store.msi.com/collections/power-up-z-msi/products/b550m-pro-vdh-wifi-1Read 15 October 2026Features: DDR4 memory up to 4400(OC) 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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 lists support for ECC Un-buffered DIMM 1Rx8/2Rx8 and non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 modules with no non-ECC mode qualifier. GIGABYTE's product page says ECC support varies by CPU, which still counts as true.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Memory: supports non-ECC and ECC UDIMM memory, with no non-ECC mode qualifier. A German dealer's data sheet says ECC modules run in non-ECC mode in one row and in ECC mode in another, so the maker's list is used.

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.

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Expansion slots

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

AGIGABYTE B550M K

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

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 with Ryzen 5000 and 3000: 1 x PCI Express x16 slot from the CPU at PCIe 4.0 x16 (PCIe 3.0 x16 with Ryzen 5000 G-Series and 4000 G-Series) and 1 x PCI Express x1 slot from the chipset at PCIe 3.0 x1.

BMSI B550M PRO-VDH WIFI

Physical slot	Electrical lanes	PCIe generation	Connected to	Count
PCIe x16	16	4	CPU	1
PCIe x1	1	3	Chipset	2

Source1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications and page 29: 1x PCIe 3.0/4.0 x16 slot (PCI_E1, from the CPU, the supported generation depends on the installed processor, 4.0 with Ryzen 5000 and 3000) and 2x PCIe 3.0 x1 slots (PCI_E2 and PCI_E3, from the chipset).2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026Graphics interface 1x PCIe 4.0 / 3.0 x16 slot. Expansion slots 2x PCI-E 3.0 x1.

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

1=CalculatedFrom Expansion slots

1=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

4=CalculatedFrom Expansion slots

Storage

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

AGIGABYTE B550M K

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink
M2A_CPU	4	4	CPU	M.2 2280	Yes	No
M2B_SB	3	2	Chipset	M.2 2280	No	No

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 with Ryzen 5000 and 3000. M2A_CPU is from the CPU, type 2280, SATA and PCIe 4.0 x4/x2 SSDs (PCIe 3.0 with 5000 G-Series and 4000 G-Series). M2B_SB is from the chipset, type 2280, PCIe 3.0 x2 SSDs, with no SATA mode listed. Section 2-7 item 6 shows both slots held by a clip and no heatsink. No lane sharing is stated.2Owner's manualregard.ru/api/site/files/goodspdf/download/30802Read 15 October 2026Section 2-2 gives the same M2A_CPU and M2B_SB slots, types and speeds as the Rev. 1001 manual.

BMSI B550M PRO-VDH WIFI

Slot	PCIe generation	PCIe lanes	Connected to	Longest drive	Takes SATA drives	Heatsink
M2_1	4	4	CPU	M.2 2280	Yes	Yes
M2_2	3	4	Chipset	M.2 2280	No	No

Source1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications and pages 30 to 31. M2_1 is from the AMD processor, PCIe 4.0/3.0 x4 depending on the processor, SATA 6Gb/s supported, 2242/2260/2280. M2_2 is from the B550 chipset, PCIe 3.0 x4, 2242/2260/2280, with no SATA mode listed. Only M2_1 has the M.2 Shield Frozr heatsink (page 30), and the M2_2 steps show no heatsink. MaxMyBuild also lists a heatsink on slot 1 only. No lane sharing is stated.2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026Storage: 1x M.2 Gen4 x4 slot, 1x M.2 Gen3 x4 slot, 4x SATA 6Gb/s ports.12Spec databasemaxmybuild.com/motherboards/msi-b550m-pro-vdh-wifiRead 15 October 2026M.2 heatsinks: slot 1 only.

M.2 slots

2=CalculatedFrom M.2 storage slots

2=CalculatedFrom M.2 storage slots

PCIe 5.0 M.2 slots

0=CalculatedFrom M.2 storage slots

0=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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: 4 x SATA 6Gb/s connectors from the chipset.

41Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: 4x SATA 6Gb/s ports from the B550 chipset.

Rear ports

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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.

AGIGABYTE B550M K

Type	Version	Count	Max link rate (Gbps)
USB-A	USB 3.2 Gen 1	4	5
USB-A	USB 2.0	4	0.48
DisplayPort	DisplayPort 1.4	1	Not available
HDMI	HDMI 2.1	1	Not available
Ethernet (RJ45)	Not available	1	1
3.5 mm audio	Not available	3	Not available
PS/2	Not available	1	Not available

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 Back Panel Connectors: 1 x PS/2 keyboard/mouse port, 1 x DisplayPort, 1 x HDMI port, 4 x USB 3.2 Gen 1 ports, 4 x USB 2.0/1.1 ports, 1 x RJ-45 port and 3 x audio jacks. The list has no button and no optical S/PDIF port. LAN is 1 Gbps. DisplayPort 1.4 (5120x2880 at 60 Hz) and HDMI 2.1 (4096x2160 at 60 Hz) work only with Ryzen 5000 G-Series and 4000 G-Series processors, which have integrated graphics.2Owner's manualregard.ru/api/site/files/goodspdf/download/30802Read 15 October 2026Section 2-2 gives the same back panel list as the Rev. 1001 manual. Its LAN line adds 10 Mbps to 1 Gbps and 100 Mbps.

BMSI B550M PRO-VDH WIFI

Type	Version	Count	Max link rate (Gbps)
USB-A	USB 3.2 Gen 1	4	5
USB-A	USB 2.0	2	0.48
HDMI	Not available	1	Not available
DisplayPort	Not available	1	Not available
VGA	Not available	1	Not available
Ethernet (RJ45)	Not available	1	1
3.5 mm audio	Not available	3	Not available
PS/2	Not available	1	Not available

Source1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Back Panel Connectors: 1x VGA port, 1x DisplayPort, 1x HDMI port, 4x USB 3.2 Gen 1 5Gbps Type-A, 1x PS/2 keyboard/mouse combo port, 2x USB 2.0 Type-A, 1x LAN (RJ45), 2x Wi-Fi antenna connectors, 3x audio jacks and the Flash BIOS button. LAN is a 1Gbps controller. DisplayPort 4096x2160 at 60Hz and HDMI 4096x2160 at 24Hz, both only with a processor that has integrated graphics. The manual names no DisplayPort or HDMI version. MSI's speed names are stored as USB-IF names: 5Gbps as Gen 1.

Rear USB ports

8=CalculatedFrom Rear ports

6=CalculatedFrom Rear ports

Rear USB-C portsiIncludes Thunderbolt and USB4 ports.

0=CalculatedFrom Rear ports

0=CalculatedFrom Rear ports

Fastest rear USB port

5Gbps=CalculatedFrom Rear ports

5Gbps=CalculatedFrom Rear ports

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

Not available

Not available

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.

AGIGABYTE B550M K

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	1	2

Source1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: 1 x USB 3.2 Gen 1 header and 1 x USB 2.0/1.1 header. Section 2-7 items 9 and 10: each header serves two ports through an optional bracket. No front USB-C header and no USB power output is stated.

BMSI B550M PRO-VDH 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 manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Internal Connectors: 1x USB 3.2 Gen 1 5Gbps Type-C port (JUSB1), 1x USB 3.2 Gen 1 5Gbps connector for 2 more ports (JUSB2) and 2x USB 2.0 connectors for 4 more ports (JUSB3 and JUSB4). No USB power output is stated.

Front USB-C header speed

Not available

5Gbps=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.

21Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2 Internal Connectors: 1 x CPU fan header and 1 x system fan header, both 4-pin.

51Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Internal Connectors: 1 CPU fan, 1 water-pump fan and 3 system fan connectors make 5.

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.

01Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The complete internal connector list has no ARGB header.

21Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Internal Connectors: 2x 3-pin RAINBOW LED connectors (addressable).

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.

01Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The complete internal connector list has no RGB header.

21Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, Internal Connectors: 2x 4-pin RGB LED connectors.

Networking

6 of 9 differ

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

Not available

Realtek RTL81111Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, LAN: 1x Realtek RTL8111HN 1Gbps LAN controller. The suffix HN is left out.2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026LAN: Realtek RTL8111HN Gigabit LAN.4Maker product pagetw-store.msi.com/products/b550m-pro-vdh-wifiRead 15 October 2026Specifications: 1x Realtek RTL8111HN Gigabit LAN.

Ethernet ports

1=CalculatedFrom Rear ports

1=CalculatedFrom Rear ports

Ethernet speediFastest Ethernet port.

1Gbps=CalculatedFrom Rear ports

1Gbps=CalculatedFrom Rear ports

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

No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The Specifications list has no Wireless section and the back panel list has no antenna connectors. The newer B550M K WIFI6E is a separate model.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: Intel Dual Band Wireless-AC 3168 on the board's Wi-Fi socket. The board is the WIFI model.

Wi-Fi standard

Not available

Wi-Fi 51Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: Wi-Fi 802.11 a/b/g/n/ac, dual band, up to 433 Mbps, which is Wi-Fi 5.2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026Wi-Fi / Bluetooth: Wi-Fi AC, Bluetooth 4.2.

Wi-Fi bandsiBands the installed module supports.

Not available

2.4 GHz, 5 GHz1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: dual band (2.4GHz, 5GHz).

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

Not available

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 Dual Band Wireless-AC 31681Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: Intel Dual Band Wireless-AC 3168. The block diagram says 1x Intel Wi-Fi 3168.6Retailer pageoffice-partner.de/msi-b550m-pro-vdh-wifi-7c95-001r-13042334Read 15 October 2026Technical data: Wi-Fi 5, 802.11a/b/g/n/ac, 1x1, Intel 3168, Bluetooth 4.2.

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

Not available

4.21Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: dual mode Bluetooth 2.1, 2.1+EDR, 3.0, 4.0, BLE and 4.2.2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026Wi-Fi / Bluetooth: Wi-Fi AC, Bluetooth 4.2.

Audio

1 of 2 differ

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

Not available

Realtek ALC8921Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: Realtek ALC892 codec, 7.1-channel High Definition Audio. MSI's store pages list ALC892/ALC897, so later boards may use the ALC897 and no source ties a codec to a board revision.3Maker product pagepl-store.msi.com/collections/power-up-z-msi/products/b550m-pro-vdh-wifi-1Read 15 October 2026Specifications table: Audio ports (rear) Realtek ALC892/ALC897 codec.6Retailer pageoffice-partner.de/msi-b550m-pro-vdh-wifi-7c95-001r-13042334Read 15 October 2026Technical data: audio codec Realtek ALC892.

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

2 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.

No1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The back panel list has no button. Q-Flash is a BIOS utility and needs a CPU and memory.

Yes1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: 1x Flash BIOS 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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-7 item 13 is the CLR_CMOS jumper. The back panel list has no button.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications: the only reset listed is 1x Clear CMOS jumper (JBAT1, page 38). The back panel list has the Flash BIOS button and no Clear CMOS button.

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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The specifications and connector list name no two-digit display.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, LED Features: 4x EZ Debug LEDs, which are single status LEDs. No two-digit display is listed.

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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026The internal connector list and the section 1-1 layout name no power or start button on the board.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026The Specifications list no power or start button on the board. The only switch listed is the EZ LED Control switch.

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 manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-2: BIOS is 1 x 128 Mbit flash with a licensed AMI UEFI BIOS. Dual BIOS is not named.

No1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Specifications, BIOS Features: 1x 256 Mb flash. No second BIOS is listed.

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

Not available

Not available

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

Tool-free M.2 latch1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 2-7 item 6: pull the clip's tab out of the mounting hole, slide the M.2 SSD in, press it down and press the clip's tab into the mounting hole. No screw is used.

Not available

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.

SATA cable, User's Manual, I/O Shield1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026Section 1-2 box contents: B550M K motherboard, User's Manual, One SATA cable, I/O Shield, for reference only. The Rev. 1102 manual lists Two SATA cables, so the SATA cable count is not stored.2Owner's manualregard.ru/api/site/files/goodspdf/download/30802Read 15 October 2026Section 1-2: B550M K WIFI6E or B550M K motherboard, User's Manual, I/O Shield, Two SATA cables and One antenna (WIFI6E only). The older Rev. 1001 manual says One SATA cable.

2 x SATA 6G cables, Wi-Fi antenna, M.2 screws (3 pcs), Case badge, Product registration card, Driver DVD, Quick installation guide, MSI components compatibility and reward program card1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026Package contents, page 20: motherboard, 2 SATA 6G cables, Wi-Fi antenna, 3 M.2 screws, case badge, product registration card, driver DVD, quick installation guide and MSI components compatibility and reward program card. No I/O shield is listed.

Links

Not compared

Product page

www.gigabyte.com/Motherboard/B550M-K-rev-103Maker product pagegigabyte.com/Motherboard/B550M-K-rev-10/spRead 15 October 2026GIGABYTE product page for B550M K rev. 1.0. Revisions 1.1 and 1.2 have their own pages with the same name.

www.msi.com/Motherboard/B550M-PRO-VDH-WIFI13Maker product pagemsi.com/Motherboard/B550M-PRO-VDH-WIFIRead 15 October 2026The URL comes from the job evidence and web search results. msi.com blocks agents, so the page was not opened and no value comes from it.

Spec sheet

www.gigabyte.com/Motherboard/B550M-K-rev-10/sp3Maker product pagegigabyte.com/Motherboard/B550M-K-rev-10/spRead 15 October 2026The /sp page is GIGABYTE's specification page. It was read through a web search excerpt only.

storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdf2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/global/B550M-PRO-VDH-WIFI.pdfRead 15 October 2026One-page MSI datasheet for B550M PRO-VDH WIFI, global version, generated 2026-07-14, on MSI's datasheet server.

Manual

www.trovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdf1Owner's manualtrovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdfRead 15 October 2026GIGABYTE B550M K User's Manual Rev. 1001, copyright 2023, 29 pages, hosted by trovaprezzi.it. It is the manual for rev. 1.0. A newer GIGABYTE manual, Rev. 1102 from 2026, covers B550M K and B550M K WIFI6E and is listed below.

www.trovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdf1Owner's manualtrovaprezzi.it/manuali/msi_b550m_pro_vdh_wifi.pdfRead 15 October 2026MSI User Guide for B550M PRO-VDH WIFI (69 pages), hosted by trovaprezzi.it. It is the first-release guide. MSI's own manual page was not readable.

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

Not available

Not available

Warranty

0 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.

3years4Retailer pageik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/4a6bea2c/66f2e2428f76e40019820f68/product-pdfRead 15 October 2026The data sheet from a European distributor feed gives Warranty period 3 year(s). The market is Europe. Amazon US says 3 Years Manufacturer.5Retailer pageamazon.com/dp/B0BTTZFQTPRead 15 October 2026Warranty Description: 3 Years Manufacturer, on the US page.7Spec databasegeizhals.at/gigabyte-b550m-k-a2901610.htmlRead 15 October 2026Garantie row: 3 Jahre. The market is Austria.

3years5Maker product pageeu-business-store.msi.com/products/b550m-pro-vdh-wifiRead 15 October 2026Warranty: 3 Year Warranty (MSI EU business e-shop, Germany page, SKU 911-7C95-081).6Retailer pageoffice-partner.de/msi-b550m-pro-vdh-wifi-7c95-001r-13042334Read 15 October 2026Manufacturer warranty 3 years (Germany).

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