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SpecificationASUS 90MB14U0-M0EAY0 Prime B550-PLUS SocketMSI B550 GAMING WIFI Motherboard
Price (new) (differs)not stated£109.99as of 20 Sep, 06:20
Amazon Warehouse offer (differs)not stated£94.99 (Used - Like New)as of 20 Sep, 06:20
RRP (differs)not stated£119.99
Price badgenot statednot stated
First available on Amazon (differs)Jun 2020 (6 yr 3 mo old)Dec 2025 (9 mo old)
Brand (differs)ASUSMSI
SocketAM4AM4
ChipsetB550B550
Form factorATXATX
Memory typeDDR4DDR4
RAM slots (differs)not stated4
Maximum RAMnot statednot stated
Fastest RAM speed stated (differs)not stated4,400 MT/s
M.2 slots (differs)not stated2
Newest PCIe generation stated (differs)not statedPCIe 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 5
Bluetooth (differs)not stated5.0
Wired LAN (differs)not stated1GbE
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 flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headersnot statednot stated
Video outputsnot statednot stated
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#186,946#1,256
BuySee it 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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