Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard	GIGABYTE B650M C V3	MSI PRO B650M-A WiFi V1 Motherboard
Price (new) (differs)	£150.11as of 5 Nov, 18:21	£150.70as of 5 Nov, 18:23	£151.04as of 5 Nov, 18:22
Price badge (differs)	not stated	Lowest we've recorded	not stated
First available on Amazon (differs)	Jan 2023 (3 yr 9 mo old)	Jul 2024 (2 yr 3 mo old)	Jun 2025 (1 yr 5 mo old)
Brand (differs)	ASUS	Gigabyte	MSI
RAM slots (differs)	not stated	4	4
Fastest RAM speed stated (differs)	6,400 MT/s	not stated	6,000 MT/s
M.2 slots (differs)	not stated	3	2
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 M.2 slot (differs)	Yes	not stated	not stated
WiFi (differs)	None named in the listing title	WiFi 6	Yes (generation not stated)
Wired LAN (differs)	2.5GbE	1GbE	2.5GbE
Fastest USB-C port (differs)	5 Gbps	5 Gbps	not stated
Power phases (as stated by the maker) (differs)	not stated	5+2+2	not stated
BIOS flashback (differs)	Yes	Yes	not stated
ARGB headers (differs)	Yes	not stated	not stated
Amazon sales rank (differs)	#127,244	#79,108	#47,841
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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