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MSI B550 GAMING WIFI

UK manufacturer catalogue configuration · MSI part 911-7C56-085

CPU socket
AM4
Chipset
AMD B550
PCB form factor and dimensions
ATX 243.84mmx304.8mm

MSI B550 GAMING WIFI in the manufacturer’s documented UK configuration. Its published technical specifications retain the source’s connection, mode and configuration conditions.

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THE ACTUAL PRODUCT
MSI B550 GAMING WIFI official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with MSI PRO B550M-VC WIFI
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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The nearest checked motherboards by key specifications, with what differs from the MSI B550 GAMING WIFI. The first matches the Compare button above.

The useful part.

Key strengths

The manufacturer documents the exact product configuration and its main interfaces together in one specification table.

Manufacturer source
The checks that matter.

Before you buy

Published capabilities and maximum figures are manufacturer claims. They do not establish independently measured performance, stock or compatibility outside the stated conditions.

Manufacturer source
Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the MSI B550 GAMING WIFI. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

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Every specification. With its source.

Full specifications

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Exact configuration: UK manufacturer catalogue configuration · 911-7C56-085

15 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

3 items
CPU socket
AM4Source
Chipset
AMD B550Source
PCB form factor and dimensions
ATX 243.84mmx304.8mmSource

Memory

1 item
Memory generation, slots, capacity and conditions
4x DDR4, Maximum Memory Capacity 128GB Memory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400/ 4533/ 4600/ 4733/ 4800/ 4866+ MHz by A-XMP OC MODE • 1DPC 1R Max speed 4800 MHz • 1DPC 2R max speed 3866 MHZ • 2DPC 1R max speed 4000 MHZ • 2DPC 2R max speed 3600 MHZ • Dual channel memory architecture • Supports non-ECC UDIMM memory • Supports ECC UDIMM memory (non-ECC mode) • Supports un-buffered memory • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.Source

Expansion slots

1 item
Expansion slots and CPU restrictions
2x PCI-E x16 slot (Qty) 1x PCI-E x1 slot (Qty) PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E3 Gen PCIe 3.0 supports up to x4 (From Chipset) PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset)Source

Storage

1 item
Storage interfaces and lane-sharing conditions
2x M.2 (Qty) M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 / SATA mode, supports 22110/2280/2260/2242 devices M.2_2 Source (From Chipset) supports up to PCIe 3.0 x4, supports 2280 devices 6x SATA 6G (Qty)Source

USB & rear connections

3 items
USB ports and headers
4x USB 2.0 (Rear) 4x USB 2.0 (Front) 2x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) 1x USB 10Gbps Type A (Rear) 1x USB 10Gbps Type C (Rear)Source
Rear-panel ports
USB 2.0 DisplayPort 1.2 1G LAN USB 10Gbps (Type-A) Wi-Fi / Bluetooth Audio Connectors Flash BIOS Button HDMI™ USB 2.0 USB 5Gbps (Type-A) USB 10Gbps (Type-C)Source
Processor-dependent display outputs
1x HDMI™ Support HDMI™ 2.1, maximum resolution of 4K 60Hz* 1x DisplayPort Support DisplayPort 1.2, maximum resolution of 4K 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.Source

Networking

1 item
Network interfaces and operating-system conditions
lan: Realtek ® 8111H 1G LAN; wireless lan & bluetooth: Wi-Fi 5 Solution Supports Bluetooth ® 5.0Source

Audio

1 item
Onboard audio specification
Realtek ® ALC897 7.1-Channel High Definition AudioSource

Power, cooling & lighting

1 item
Internal headers and connectors
1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 1x Pump Fan 6x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 2x Addressable RGB LED connector(JRAINBOW) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 1x USB 5Gbps Type A ports 1x USB 5Gbps Type C portsSource

BIOS, software & diagnostics

3 items
CPU and firmware support
Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors Socket AM4

Manufacturer-listed processor families; exact CPU support and necessary BIOS revision depend on the current MSI support list. A family statement is not a guarantee for every CPU.

Source
Supported operating systems
Support for Windows ® 11 64-bitSource
Diagnostic features
4x EZ Debug LEDSource
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