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Condition: Used: Good
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MSI B550-A PRO Motherboard ATX - Supports AMD Ryzen 3rd Gen Processors, AM4, DDR4 Boost (4400MHz/OC), 1 x PCIe 4.0/3.0 x16, 1 x PCIe 3.0/3.0 x16, 1 x M.2 Gen4 x4, 1 x M.2 Gen3 x4, HDMI, Gigabit LAN

4.5 out of 5 stars 1,890 ratings

£108.19
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B550-A PRO
ATX

About this item

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  • Powered by 3rd generation AMD Ryzen 9, Ryzen7, Ryzen 5 AM4 to maximize connectivity and speed with lightning M.2, PCIe 4.0, USB 3.2 Gen2 and up to 128 GB of DDR4 (4400 MHz)
  • Core Boost technology combines optimised power circuit layouts and digital power design which allows for precise and steady current delivery to the CPU
  • With 3rd Gen Ryzen processors, this motherboard features the latest Gen4 PCI-E and M.2 solution with up to 64 GB/s bandwidth for maximum transfer speed and allow for increasing storage capacity at maximum speed
  • Addressable LED Ready with Mystic Light Extension provides a JRAINBOW pinheader for complete function to connect to addressable RGB strips and control the RGB light all around the system
  • AUDIO BOOST which rewards your ears with studio grade sound quality for the most immersive gaming experience
  • Enhanced Thermal Solution includes extended heatsink, 7 W/mK level thermal and choke pad with 2 oz thickened copper PCB to ensure best performance for gamers
  • Flash BIOS Button allows users to simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card
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MSI B550-A PRO Motherboard ATX - Supports AMD Ryzen 3rd Gen Processors, AM4, DDR4 Boost (4400MHz/OC), 1 x PCIe 4.0/3.0 x16, 1 x PCIe 3.0/3.0 x16, 1 x M.2 Gen4 x4, 1 x M.2 Gen3 x4, HDMI, Gigabit LAN
MSI MAG B550M MORTAR Motherboard mATX - Supports AMD Ryzen 3rd Gen Processors, AM4, DDR4 Boost (4400MHz/OC), 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16, 2 x M.2, HDMI, 2.5G LAN
MSI MPG B550 GAMING CARBON WIFI Motherboard ATX - Supports AMD Ryzen 3rd Gen Processors, AM4, DDR4 Boost (4866MHz/OC), 1x PCIe 4.0/3.0 x16, 1x PCIe 3.0 x16, 1x M.2 Gen4, 1x M.2 Gen3, 2.5G LAN, Wi-Fi 6
Gigabyte B550 AORUS ELITE AX V2 (Socket AM4/B550/DDR4/S-ATA 600/ATX/WiFi 6)
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Customer Rating 4.5 out of 5 stars (1890) 4.7 out of 5 stars (6217) 4.7 out of 5 stars (6217) 4.6 out of 5 stars (289) 4.6 out of 5 stars (207)
Price £108.19 £129.98 £225.00 £123.98 £172.84
Sold By Amazon Warehouse Amazon.co.uk The Full-Cart Amazon.co.uk Amazon EU
Are batteries required? Yes No No No Yes
Graphics Card Interface PCI Express PCI Express PCI Express PCI Express PCI Express
Memory Clock Speed 4400 MHz 4400 MHz 4866 MHz 4000 MHz 5100 MHz
Memory Speed 4400 MHz 4400 MHz 4866 MHz 5100 MHz
RAM Type DDR4 SDRAM DDR4 SDRAM DDR4 SDRAM DDR4 SDRAM DDR4 SDRAM

From the manufacturer

tomahawk mortar wifi mortar bazooka a pro pro vdh wifi
MAG B550 TOMAHAWK MAG B550M MORTAR WIFI MAG B550M MORTAR MAG B550M BAZOOKA B550-A PRO B550M PRO-VDH WIFI
CPU Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update
Chipset AMD B550 Chipset AMD B550 Chipset AMD B550 Chipset AMD B550 Chipset AMD B550 Chipset AMD B550 Chipset
Memory 4 x DIMM; Max. 128GB DDR4; 4866+ MHz 4 x DIMM; Max. 128GB DDR4; 4400+ MHz 4 x DIMM; 4 x DIMM; Max. 128GB DDR4; 4400+ MHzMax. 128GB DDR4; 4400+ MHz 4 x DIMM; Max. 128GB DDR4; 4400+ MHz 4 x DIMM; Max. 128GB DDR4; 4400+ MHz
PCIe x16 Slots 1x PCIe 4.0 x16 slots (@x16) 1x PCIe 3.0 x16 slots (max.@x4) 2x PCIe 3.0 x1 slots 1x PCIe 4.0 x16 slots (@x16) 1x PCIe 3.0 x16 slots (max.@x4) 2x PCIe 3.0 x1 slots 1x PCIe 4.0 x16 slots (@x16) 1x PCIe 3.0 x16 slots (max.@x4) 2x PCIe 3.0 x1 slots 1x PCIe 4.0 x16 slots (@x16) 2x PCIe 3.0 x1 slots 1x PCIe 4.0 x16 slot (x16 / x4) 1x PCIe 3.0 x16 slot (max.@x4) 2x PCIe 3.0 x1 slots 1x PCIe 4.0 x16 slots (@x16) 2x PCIe 3.0 x1 slots
Graphics HDMI, DisplayPort HDMI, DisplayPort HDMI, DisplayPort HDMI, DisplayPort HDMI, DisplayPort HDMI, DisplayPort, VGA
Audio Audio Boost Audio Boost Audio Boost Audio Boost Audio Boost Audio Boost
32Gb/s M.2 1x 22110 (PCIe 4.0 x4 and SATA mode) 1x 2280 (PCIe 3.0 x4 mode) 1x 2280 (PCIe 4.0 x4 and SATA mode) 1x 2280 (PCIe 3.0 x4 mode) 1x 2280 (PCIe 4.0 x4 and SATA mode) 1x 2280 (PCIe 3.0 x4 mode) 1x 2280 (PCIe 4.0 x4 and SATA mode) 1x 2280 (PCIe 3.0 x4 mode) 1x 22110 (PCIe 4.0 x4 and SATA mode) 1x 2280 (PCIe 3.0 x4 mode) 1x 2280 (PCIe 4.0 x4 and SATA mode) 1x 2280 (PCIe 3.0 x4 mode)
Wireless - 2x2 Wi-Fi with MU-MIMO 802.11 a/b/g/n/ac/ax - - - 1x1 Wi-Fi 802.11 a/b/g/n/ac
Mystic Light Yes N/A N/A N/A N/A N/A
Form Factor ATX Micro ATX Micro ATX Micro ATX ATX Micro ATX

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What's in the box?

  • 1 Motherboard
  • Product guides and documents


    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    1,890 global ratings

    Top reviews from United Kingdom

    Reviewed in the United Kingdom on 27 July 2021
    Style Name: B550-A PROSize Name: ATXVerified Purchase
    Customer image
    4.0 out of 5 stars Amazing budget b550 motherboard But…
    By Johnson N on 27 July 2021
    I am not giving this a 5 star and you will see why.

    After a month of building my PC this B550 motherboard is very good especially because of the price.
    If you have a £1000-£1200 PC budget i highly recommend this

    Pros: Lots of fan headers and RGB ones
    Bios is very easy to navigate
    Looks very good in my case

    Cons: The only worry I had when building this is I had to troubleshoot my ram which was the corsair 16GB rgb vengeance ones where both stick of ram worked but the motherboard didn’t boot when I wanted to do dual channel. However if you have the same situation don’t panic i have a solution:

    First boot with any of the one stick of ram into A2
    Then go into the bios
    If XMP is disabled enable it but if it already is, disable and enable.
    Once enabled turn off the PC and put the 2nd 8GB in and BOOM it should work :)
    Hope it helps with any inconveniences
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    66 people found this helpful
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    Reviewed in the United Kingdom on 19 September 2020
    Style Name: B550-A PROSize Name: ATXVerified Purchase
    63 people found this helpful
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    Reviewed in the United Kingdom on 29 July 2020
    Style Name: B550-A PROSize Name: ATXVerified Purchase
    61 people found this helpful
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    Reviewed in the United Kingdom on 28 October 2020
    Style Name: B550M PRO-VDH WIFISize Name: Micro-ATXVerified Purchase
    50 people found this helpful
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