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Side-by-side comparison of 2 motherboards
SpecificationASUS AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2GIGABYTE B550M Gaming X WIFI6 Motherboard
Price (new) (differs)£99.95as of 5 Nov, 18:20£98.15as of 5 Nov, 18:22
Amazon Warehouse offer (differs)not stated£91.13 (Used - Good)as of 5 Nov, 18:22
RRP (differs)£200.20not stated
Price badgenot statednot stated
First available on Amazon (differs)Feb 2022 (4 yr 8 mo old)Mar 2025 (1 yr 7 mo old)
Brand (differs)ASUSGigabyte
SocketAM4AM4
ChipsetB550B550
Form factorMicro-ATXMicro-ATX
Memory typeDDR4DDR4
RAM slots (differs)not stated4
Maximum RAMnot statednot stated
Fastest RAM speed statednot statednot stated
M.2 slots22
Newest PCIe generation statedPCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot stated
PCIe 5.0 M.2 slotnot statednot stated
WiFi (differs)None named in the listing titleWiFi 6
Bluetoothnot statednot stated
Wired LAN1GbE1GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C portnot statednot stated
SATA portsnot statednot stated
Power phases (as stated by the maker) (differs)not stated5+3
BIOS flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headers (differs)Yesnot stated
Video outputs (differs)HDMIHDMI, DisplayPort
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#203,200#21,878
BuyCheck 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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