Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Gigabyte B550M DS3H Motherboard	Gigabyte B550M GAMING X WIFI6 Motherboard	ASUS PRIME B550M-A
Price (new) (differs)	not stated	£96.95as of 11 Oct, 06:22	£88.98as of 11 Oct, 06:21
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£99.99	£110.74	£93.86
Price badge (differs)	not stated	90-day low	30-day low
First available on Amazon (differs)	Jan 2024 (2 yr 9 mo old)	Apr 2025 (1 yr 6 mo old)	Jan 2022 (4 yr 9 mo old)
Brand (differs)	Gigabyte	Gigabyte	ASUS
Socket	AM4	AM4	AM4
Chipset	B550	B550	B550
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4	DDR4
RAM slots (differs)	4	4	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	4,733 MT/s	3,200 MT/s	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)	None named in the listing title	WiFi 6	None named in the listing title
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)	5+3	5+3	not stated
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	Yes
Video outputs (differs)	HDMI	HDMI, DisplayPort	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#47,418	#1,079	#1,427
Buy	See it 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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