Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	Asus PRIME B550M-K ARGB	Gigabyte B550M DS3H R2 Motherboard
Price (new) (differs)	£75.94as of 5 Nov, 18:20	£79.99as of 5 Nov, 18:23
Amazon Warehouse offer	not stated	not stated
RRP (differs)	£99.99	£179.99
Price badge (differs)	not stated	30-day low
First available on Amazon (differs)	Jan 2023 (3 yr 10 mo old)	Apr 2025 (1 yr 6 mo old)
Brand (differs)	ASUS	Gigabyte
Socket	AM4	AM4
Chipset	B550	B550
Form factor	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4
RAM slots (differs)	2	4
Maximum RAM	not stated	not stated
Fastest RAM speed stated (differs)	not stated	4,733 MT/s
M.2 slots	2	2
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated
WiFi	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated
Wired LAN	1GbE	1GbE
USB4 / Thunderbolt	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	not stated
SATA ports	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	5+3
BIOS flashback	not stated	not stated
Debug LED / POST code	not stated	not stated
ARGB headers (differs)	Yes	not stated
Video outputs	HDMI, DisplayPort	HDMI, DisplayPort
Audio codec	not stated	not stated
Colour	not stated	not stated
Amazon sales rank (differs)	#51,757	#1,849
Buy	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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