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Side-by-side comparison of 2 motherboards
SpecificationGigabyte B550I AORUS PRO AX MotherboardASUS Prime B550-PLUS AC-HES AMD AM4
Price (new) (differs)£177.68as of 5 Nov, 18:21£184.72as of 5 Nov, 18:21
Amazon Warehouse offernot statednot stated
RRP (differs)£190.99not stated
Price badgenot statednot stated
First available on Amazon (differs)Jun 2020 (6 yr 4 mo old)Aug 2024 (2 yr 2 mo old)
Brand (differs)GigabyteASUS
SocketAM4AM4
ChipsetB550B550
Form factor (differs)Mini-ITXATX
Memory typeDDR4DDR4
RAM slots (differs)2not stated
Maximum RAMnot statednot stated
Fastest RAM speed stated (differs)5,300 MT/snot stated
M.2 slots22
Newest PCIe generation statedPCIe 4.0PCIe 4.0
PCIe 5.0 graphics slotnot statednot stated
PCIe 5.0 M.2 slotnot statednot stated
WiFi (differs)WiFi 6EWiFi 5
Bluetoothnot statednot stated
Wired LAN (differs)2.5GbE1GbE
USB4 / Thunderboltnot statednot stated
Fastest USB-C port10 Gbps10 Gbps
SATA portsnot statednot stated
Power phases (as stated by the maker) (differs)not stated8+1
BIOS flashbacknot statednot stated
Debug LED / POST codenot statednot stated
ARGB headers (differs)not statedYes
Video outputs (differs)HDMI, DisplayPortnot stated
Audio codec (differs)ALC1220not stated
Colournot statednot stated
Amazon sales rank (differs)#1,849#170,382
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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