Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Gigabyte B550M DS3H AC Motherboard	ASUS PRIME B550M-K WIFI	ASUS TUF GAMING B550M-PLUS WiFi II AMD AM4
Price (new) (differs)	£138.70as of 20 Sep, 06:20	£150.13as of 20 Sep, 06:22	£132.46as of 20 Sep, 06:20
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£99.99	not stated	not stated
Price badge (differs)	90-day low	Lowest we've recorded	not stated
First available on Amazon (differs)	Jun 2023 (3 yr 3 mo old)	Jun 2026 (3 mo old)	Mar 2022 (4 yr 5 mo old)
Brand (differs)	Gigabyte	ASUS	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	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	4,733 MT/s	not stated	not stated
M.2 slots (differs)	2	not stated	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 5	WiFi 6	WiFi 6
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	1GbE	not stated	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	not stated	10 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	5+3	not stated	not stated
BIOS flashback (differs)	not stated	not stated	Yes
Debug LED / POST code (differs)	not stated	Yes	not stated
ARGB headers (differs)	not stated	Yes	Yes
Video outputs	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated
Colour (differs)	not stated	Black	not stated
Amazon sales rank (differs)	#51,601	#1,431	#38,104
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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