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Side-by-side comparison of 4 motherboards
SpecificationMSI MPG B550 GAMING PLUS Motherboard ATXGigabyte B550 UD ACASROCK B550 PG Riptide AMD B550 Emplacement AM4 ATXGigabyte B550 EAGLE WIFI6 Motherboard
Price (new) (differs)£103.97as of 20 Sep, 02:41£102.38as of 20 Sep, 02:41£101.98as of 20 Sep, 02:41£99.95as of 20 Sep, 02:43
Amazon Warehouse offer (differs)£96.89 (Used - Like New)as of 20 Sep, 02:41not statednot stated£82.66 (Used - Like New)as of 20 Sep, 02:43
RRP (differs)£109.99not stated£245.99£129.99
Price badge (differs)not stated90-day low30-day lownot stated
First available on Amazon (differs)Jun 2020 (6 yr 3 mo old)Feb 2023 (3 yr 7 mo old)Jan 2024 (2 yr 8 mo old)Feb 2025 (1 yr 7 mo old)
Brand (differs)MSIGigabyteASRockGigabyte
SocketAM4AM4AM4AM4
ChipsetB550B550B550B550
Form factorATXATXATXATX
Memory typeDDR4DDR4DDR4DDR4
RAM slots (differs)not stated4not stated4
Maximum RAM (differs)128 GBnot statednot statednot stated
Fastest RAM speed stated (differs)4,400 MT/snot stated4,933 MT/s3,200 MT/s
M.2 slots (differs)22not stated2
Newest PCIe generation stated (differs)PCIe 4.0PCIe 4.0not statedPCIe 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 titleYes (generation not stated)None named in the listing titleWiFi 6
Bluetoothnot statednot statednot statednot stated
Wired LAN (differs)not stated1GbEnot stated1GbE
USB4 / Thunderboltnot statednot statednot statednot stated
Fastest USB-C portnot statednot statednot statednot stated
SATA portsnot statednot statednot statednot stated
Power phases (as stated by the maker) (differs)not stated10+3not stated10+3+1
BIOS flashback (differs)not statedYesnot statednot stated
Debug LED / POST codenot statednot statednot statednot stated
ARGB headers (differs)YesYesnot statednot stated
Video outputs (differs)not statedHDMInot statedHDMI, DisplayPort
Audio codecnot statednot statednot statednot stated
Colournot statednot statednot statednot stated
Amazon sales rank (differs)#1,256#23,766#72,705#1,405
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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