Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	GIGABYTE B550M DS3H AC R2 AMD AM4 Motherboard	GIGABYTE B550M X AORUS ELITE Motherboard	ASUS PRO B550M-C/CSM Business Motherboard Socket AM4	ASUS Prime B550M-A AMD Ryzen AM4 Micro ATX Motherboard
Price (new) (differs)	£107.41as of 5 Nov, 18:20	£108.05as of 5 Nov, 18:23	£106.39as of 5 Nov, 18:20	£105.35as of 5 Nov, 18:20
Amazon Warehouse offer	not stated	not stated	not stated	not stated
RRP (differs)	not stated	£316.99	£143.99	not stated
Price badge	not stated	not stated	not stated	not stated
First available on Amazon (differs)	Jun 2025 (1 yr 4 mo old)	Aug 2026 (2 mo old)	Jan 2021 (5 yr 10 mo old)	Jan 2022 (4 yr 10 mo old)
Brand (differs)	Gigabyte	Gigabyte	ASUS	ASUS
Socket	AM4	AM4	AM4	AM4
Chipset	B550	B550	B550	B550
Form factor	Micro-ATX	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4	DDR4	DDR4
RAM slots (differs)	4	4	not stated	not stated
Maximum RAM	not stated	not stated	not stated	not stated
Fastest RAM speed stated	not stated	not stated	not stated	not stated
M.2 slots	2	2	2	2
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated	not stated
WiFi (differs)	WiFi 5	None named in the listing title	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated	not stated	not stated
Wired LAN (differs)	1GbE	2.5GbE	2.5GbE	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	not stated	10 Gbps	not stated
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	5+3	8+2	not stated	not stated
BIOS flashback	not stated	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated	not stated
ARGB headers (differs)	not stated	not stated	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort	HDMI
Audio codec	not stated	not stated	not stated	not stated
Colour	not stated	not stated	not stated	not stated
Amazon sales rank (differs)	#58,204	#37,266	#225,157	#157,270
Buy	Check price on Amazon	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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