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Compare 4 motherboards

Side-by-side comparison of 4 motherboards
SpecificationMSI MPG B550 GAMING PLUS Motherboard ATXMSI B550-A PRO Motherboard ATXGigabyte B550 EAGLE WIFI6 MotherboardMSI B550 GAMING Motherboard
Price (new) (differs)£99.98as of 5 Nov, 18:20£103.98as of 5 Nov, 18:21£99.99as of 5 Nov, 18:22£99.98as of 5 Nov, 18:22
Amazon Warehouse offer (differs)£88.49 (Used - Good)as of 5 Nov, 18:20£85.94 (Used - Good)as of 5 Nov, 18:21not statednot stated
RRP (differs)£109.99£104.99£129.99£109.99
Price badge (differs)90-day lownot statednot statednot stated
First available on Amazon (differs)Jun 2020 (6 yr 4 mo old)Jun 2020 (6 yr 4 mo old)Feb 2025 (1 yr 8 mo old)Jun 2026 (4 mo old)
Brand (differs)MSIMSIGigabyteMSI
SocketAM4AM4AM4AM4
ChipsetB550B550B550B550
Form factorATXATXATXATX
Memory typeDDR4DDR4DDR4DDR4
RAM slots (differs)not statednot stated44
Maximum RAM (differs)128 GB128 GBnot statednot stated
Fastest RAM speed stated (differs)4,400 MT/s4,400 MT/s3,200 MT/s4,800 MT/s
M.2 slots (differs)2not stated22
Newest PCIe generation statedPCIe 4.0PCIe 4.0PCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot statednot statednot stated
PCIe 5.0 M.2 slotnot statednot statednot statednot stated
WiFi (differs)None named in the listing titleNone named in the listing titleWiFi 6None named in the listing title
Bluetoothnot statednot statednot statednot stated
Wired LAN (differs)not statednot stated1GbE1GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C port (differs)not statednot statednot stated10 Gbps
SATA portsnot statednot statednot statednot stated
Power phases (as stated by the maker) (differs)not statednot stated10+3+18+2+1
BIOS flashbacknot statednot statednot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headers (differs)YesYesnot statednot stated
Video outputs (differs)not statedHDMIHDMI, DisplayPortnot stated
Audio codecnot statednot statednot statednot stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#1,268#1,268#1,849#1,268
BuyCheck price on AmazonCheck 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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