Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B550M-A WIFI II AMD Micro ATX Motherboard with PCIe 4.0	ASUS AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2	GIGABYTE B550M Gaming X WIFI6 Motherboard
Price (new) (differs)	£99.24as of 5 Nov, 18:21	£99.95as of 5 Nov, 18:20	£98.15as of 5 Nov, 18:22
Amazon Warehouse offer (differs)	not stated	not stated	£91.13 (Used - Good)as of 5 Nov, 18:22
RRP (differs)	not stated	£200.20	not stated
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jul 2022 (4 yr 3 mo old)	Feb 2022 (4 yr 8 mo old)	Mar 2025 (1 yr 7 mo old)
Brand (differs)	ASUS	ASUS	Gigabyte
Socket	AM4	AM4	AM4
Chipset	B550	B550	B550
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4	DDR4
RAM slots (differs)	not stated	not stated	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated	not stated	not stated	not stated
M.2 slots	2	2	2
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi (differs)	WiFi 6	None named in the listing title	WiFi 6
Bluetooth	not stated	not stated	not stated
Wired LAN	1GbE	1GbE	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port	not stated	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	5+3
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	not stated	Yes	not stated
Video outputs (differs)	HDMI	HDMI	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#114,715	#203,200	#21,878
Buy	Check price on Amazon	Check price on Amazon	Check 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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