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Side-by-side comparison of 2 motherboards
SpecificationASUS PRIME B550M-A WIFI II AMD Micro ATX Motherboard with PCIe 4.0GIGABYTE B550M Gaming X WIFI6 Motherboard
Price (new) (differs)£99.24as of 5 Nov, 18:21£98.15as of 5 Nov, 18:22
Amazon Warehouse offer (differs)not stated£91.13 (Used - Good)as of 5 Nov, 18:22
RRPnot statednot stated
Price badgenot statednot stated
First available on Amazon (differs)Jul 2022 (4 yr 3 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
WiFiWiFi 6WiFi 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 headersnot statednot stated
Video outputs (differs)HDMIHDMI, DisplayPort
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#114,715#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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