MSI MAG B550 A PRO AMD Socket AM4 ATX Motherboard

MSI  MAG B550 A PRO AMD Socket AM4 ATX Motherboard


Exclusive Features

The MAG B550-A features an array of exlusive MSI technologies, such as Core Boost Technology, Flash BIOS Button, 2oz Thickened Copper PCB and more. With its premium thermal solution and high speed transmission, get ready to upgrade your gaming experience with the new B550-A.

Key Features:

Support for 3rd Gen AMD Ryzen™ processors and future AMD Ryzen™ processors with BIOS update
Supports DDR4 Memory, up to 4400(OC) MHz
Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works
Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
Audio Boost: Reward your ears with studio grade sound quality
Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire™
Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.
MSI Features

Core Boost Technology

MSI premium layout design is ready for unleashing the maximum performance.
Digital PWM

Highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.
PCIe Steel Armor

PCIe Steel Armor helps by protecting VGA cards against bending and EMI for better performance, stability and strength.
Flash BIOS Button

Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card.
Premium Thermal Solution

M.2 Shield Frozr

trengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.
Extended Heatsink Design

MSI extended heatsink and enhanced circuit design ensures even high-end processors to run in full speed.
Pump Fan Support

Control watercooling pump speeds for best flow and noise control.
7W/mK Thermal Pad

Preminum 7W/mK thermal pad covered both MOSFET and chokes, provides better heat transfer to the heatsink.
High-Speed Transmission

Lightning Gen 4 Solution

The latest Gen 4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.
Turbo USB

Featuring the TURBO USB 3.2 GEN 2 10Gbps, with reversible Type-C connector.

Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update

AMD B550 Chipset

4x DDR4 memory slots, support up to 128GB 1
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ 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
Please refer for more information on compatible memory.

1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1
1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed 2
2x PCIe 3.0 x1 slots
The supported specification depends on installed processor.When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.

Supports 2-Way AMD CrossFire™ Technology

1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz 1
1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz 1
Maximum shared memory of 2048 MB
Available for the processor with integrated graphics.

AMD B550 Chipset
6x SATA 6Gb/s ports
2x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/ 3.0 x4 1
Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280/ 22110 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0x4
Supports 2242/ 2260/ 2280 storage devices
The supported specification depends on installed processor.

Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

AMD B550 Chipset
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)
AMD Processor
2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Realtek® ALC892 Codec
7.1-Channel High Definition Audio

1x Realtek® 8111H Gigabit LAN controller

1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
6x SATA 6Gb/s connectors
2x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps Type-C port
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
6x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors
1xTPM module connector
1x Clear CMOS jumper

Keyboard / Mouse
HD Audio Connectors
Flash BIOS Button
USB 2.0
USB 2.0
USB 3.2 Gen 1 5Gbps Type-A
USB 3.2 Gen 2 10Gbps Type-A+C
MSI B550-A PRO back panel ports

ATX Form Factor
12 in. x 9.6 in. (30.5 cm x 24.4 cm)

Product Number: 100095937

14 In stock
Available for Contactless Collection*
Available for Home Delivery

£119.99inc vat
£99.99ex vat
Was: £149.99 (£124.99 ex vat)


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