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Side-by-side comparison of 3 motherboards
SpecificationASUS TUF GAMING B550M-PLUS WiFi II AMD AM4MSI PRO B550M-P MotherboardMSI PRO B550M-P WIFI6E Motherboard
Price (new) (differs)not stated£95.31as of 5 Nov, 18:22£89.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)not statednot stated£82.72 (Used - Like New)as of 5 Nov, 18:22
RRP (differs)not stated£84.99£89.99
Price badge (differs)not statednot statedLowest we've recorded
First available on Amazon (differs)Mar 2022 (4 yr 7 mo old)Jun 2026 (4 mo old)Jun 2026 (4 mo old)
Brand (differs)ASUSMSIMSI
SocketAM4AM4AM4
ChipsetB550B550B550
Form factorMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR4DDR4DDR4
RAM slots (differs)not stated44
Maximum RAMnot statednot statednot stated
Fastest RAM speed stated (differs)not stated4,400 MT/s4,400 MT/s
M.2 slots222
Newest PCIe generation statedPCIe 4.0PCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot stated
WiFi (differs)WiFi 6None named in the listing titleWiFi 6E
Bluetooth (differs)not statednot stated5.3
Wired LAN (differs)2.5GbE1GbE1GbE
USB4 / Thunderboltnot statednot statednot stated
Fastest USB-C port (differs)10 Gbpsnot statednot stated
SATA portsnot statednot statednot stated
Power phases (as stated by the maker)not statednot statednot stated
BIOS flashback (differs)Yesnot statednot stated
Debug LED / POST codenot statednot statednot stated
ARGB headers (differs)Yesnot statednot stated
Video outputs (differs)HDMI, DisplayPortnot statednot stated
Audio codecnot statednot statednot stated
Colournot statednot statednot stated
Amazon sales rank (differs)#144,391#1,268#1,268
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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