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Compare 3 motherboards

Side-by-side comparison of 3 motherboards
SpecificationGigabyte B550 UD ACMSI MPG B550 GAMING PLUS Motherboard ATXGigabyte B550 EAGLE WIFI6 Motherboard
Price (new) (differs)£102.38as of 20 Sep, 06:21£103.97as of 20 Sep, 06:20£99.95as of 20 Sep, 06:22
Amazon Warehouse offer (differs)not stated£96.89 (Used - Like New)as of 20 Sep, 06:20£82.66 (Used - Like New)as of 20 Sep, 06:22
RRP (differs)not stated£109.99£129.99
Price badge (differs)90-day lownot statednot stated
First available on Amazon (differs)Feb 2023 (3 yr 7 mo old)Jun 2020 (6 yr 3 mo old)Feb 2025 (1 yr 7 mo old)
Brand (differs)GigabyteMSIGigabyte
SocketAM4AM4AM4
ChipsetB550B550B550
Form factorATXATXATX
Memory typeDDR4DDR4DDR4
RAM slots (differs)4not stated4
Maximum RAM (differs)not stated128 GBnot stated
Fastest RAM speed stated (differs)not stated4,400 MT/s3,200 MT/s
M.2 slots222
Newest PCIe generation statedPCIe 4.0PCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot stated
WiFi (differs)Yes (generation not stated)None named in the listing titleWiFi 6
Bluetoothnot statednot statednot stated
Wired LAN (differs)1GbEnot stated1GbE
USB4 / Thunderboltnot statednot statednot stated
Fastest USB-C portnot statednot statednot stated
SATA portsnot statednot statednot stated
Power phases (as stated by the maker) (differs)10+3not stated10+3+1
BIOS flashback (differs)Yesnot statednot stated
Debug LED / POST codenot statednot statednot stated
ARGB headers (differs)YesYesnot stated
Video outputs (differs)HDMInot statedHDMI, DisplayPort
Audio codecnot statednot statednot stated
Colournot statednot statednot stated
Amazon sales rank (differs)#23,356#1,256#1,402
BuyCheck price on AmazonCheck 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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