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Side-by-side comparison of 2 motherboards
SpecificationAsus Prime B550M-K 90MB14V0-M0EAY0 DIYGIGABYTE B550M DS3H AC R2 AMD AM4 Motherboard
Price (new) (differs)£102.37as of 22 Sep, 18:22£106.88 (currently unavailable)as of 22 Sep, 18:20
Amazon Warehouse offernot statednot stated
RRPnot statednot stated
Price badgenot statednot stated
First available on Amazon (differs)Aug 2019 (7 yr 1 mo old)Jun 2025 (1 yr 3 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 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
Bluetoothnot statednot stated
Wired LAN (differs)not stated1GbE
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)not statedHDMI, DisplayPort
Audio codecnot statednot stated
Colournot statednot stated
Amazon sales rank (differs)#378,686#64,508
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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