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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationASUS PRIME B550M-AMSI B550M PRO-VDH WIFI Motherboard M-ATXGigabyte B550M GAMING X WIFI6 MotherboardMSI B550M Gaming Plus WIFI6E Motherboard
Price (new) (differs)£89.99as of 20 Sep, 06:20£89.99as of 20 Sep, 06:20£96.95as of 20 Sep, 06:22£99.85as of 20 Sep, 06:22
Amazon Warehouse offernot statednot statednot statednot stated
RRP (differs)£93.86£109.99£110.74not stated
Price badge (differs)not stated30-day low90-day lownot stated
First available on Amazon (differs)Jan 2022 (4 yr 8 mo old)Jun 2020 (6 yr 3 mo old)Apr 2025 (1 yr 5 mo old)Aug 2026 (1 mo old)
Brand (differs)ASUSMSIGigabyteMSI
SocketAM4AM4AM4AM4
ChipsetB550B550B550B550
Form factorMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Memory typeDDR4DDR4DDR4DDR4
RAM slots (differs)not statednot stated44
Maximum RAM (differs)not stated128 GBnot statednot stated
Fastest RAM speed stated (differs)not stated4,400 MT/s3,200 MT/s4,400 MT/s
M.2 slots (differs)2not stated22
Newest PCIe generation statedPCIe 4.0PCIe 4.0PCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot statednot stated
WiFi (differs)None named in the listing titleWiFi 6WiFi 6WiFi 6E
Bluetooth (differs)not statednot statednot stated5.3
Wired LAN (differs)1GbEnot stated1GbE1GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C portnot statednot statednot statednot stated
SATA portsnot statednot statednot statednot stated
Power phases (as stated by the maker) (differs)not statednot stated5+3not stated
BIOS flashback (differs)not statedYesnot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headers (differs)YesYesnot statednot stated
Video outputs (differs)not statednot statedHDMI, DisplayPortnot stated
Audio codecnot statednot statednot statednot stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#1,413#4,651#1,402#31,410
BuyCheck price on AmazonCheck price 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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