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Side-by-side comparison of 3 motherboards
SpecificationAsus TUF GAMING B550-PLUS motherboard SocketMSI B550-A PRO Motherboard ATXMSI B550 GAMING WIFI Motherboard
Price (new) (differs)not stated£89.99as of 20 Sep, 06:20£109.99as of 20 Sep, 06:20
Amazon Warehouse offer (differs)not statednot stated£94.99 (Used - Like New)as of 20 Sep, 06:20
RRP (differs)not stated£104.99£119.99
Price badge (differs)not stated90-day lownot stated
First available on Amazon (differs)Jun 2020 (6 yr 3 mo old)Jun 2020 (6 yr 3 mo old)Dec 2025 (9 mo old)
Brand (differs)ASUSMSIMSI
SocketAM4AM4AM4
ChipsetB550B550B550
Form factorATXATXATX
Memory typeDDR4DDR4DDR4
RAM slots (differs)not statednot stated4
Maximum RAM (differs)not stated128 GBnot stated
Fastest RAM speed stated (differs)not stated4,400 MT/s4,400 MT/s
M.2 slots (differs)not statednot stated2
Newest PCIe generation stated (differs)not statedPCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot stated
WiFi (differs)None named in the listing titleNone named in the listing titleWiFi 5
Bluetooth (differs)not statednot stated5.0
Wired LAN (differs)not statednot stated1GbE
USB4 / Thunderboltnot statednot statednot stated
Fastest USB-C port (differs)not statednot stated10 Gbps
SATA portsnot statednot statednot stated
Power phases (as stated by the maker)not statednot statednot stated
BIOS flashback (differs)not statedYesnot stated
Debug LED / POST codenot statednot statednot stated
ARGB headers (differs)not statedYesnot stated
Video outputs (differs)not statedHDMInot stated
Audio codecnot statednot statednot stated
Colournot statednot statednot stated
Amazon sales rank (differs)#140,850#1,256#1,256
BuySee it on AmazonCheck price on AmazonCheck price on Amazon

Highlighted rows differ between these boards. “Not stated” means the Amazon listing does not mention it: the board may still have it, so check the maker’s specification. Power phases are printed as stated by the maker and are not comparable between brands. Prices are the new price on Amazon.co.uk at the time shown; the price on Amazon when you buy is the one that applies.

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