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Side-by-side comparison of 2 motherboards
SpecificationASUS PRIME B550M-K WIFIASUS TUF GAMING B550M-PLUS WiFi II AMD AM4
Price (new) (differs)£150.13as of 20 Sep, 06:22£132.46as of 20 Sep, 06:20
Amazon Warehouse offernot statednot stated
RRPnot statednot stated
Price badge (differs)Lowest we've recordednot stated
First available on Amazon (differs)Jun 2026 (3 mo old)Mar 2022 (4 yr 5 mo old)
BrandASUSASUS
SocketAM4AM4
ChipsetB550B550
Form factorMicro-ATXMicro-ATX
Memory typeDDR4DDR4
RAM slotsnot statednot stated
Maximum RAMnot statednot stated
Fastest RAM speed statednot statednot stated
M.2 slots (differs)not stated2
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 LAN (differs)not stated2.5GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port (differs)not stated10 Gbps
SATA portsnot statednot stated
Power phases (as stated by the maker)not statednot stated
BIOS flashback (differs)not statedYes
Debug LED / POST code (differs)Yesnot stated
ARGB headersYesYes
Video outputsHDMI, DisplayPortHDMI, DisplayPort
Audio codecnot statednot stated
Colour (differs)Blacknot stated
Amazon sales rank (differs)#1,431#38,104
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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