Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B850M-A-CSM	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard	GIGABYTE B850M Eagle WIFI6E ICE AMD AM5 mATX Motherboard
Price (new) (differs)	£144.98as of 5 Nov, 18:22	£144.04as of 5 Nov, 18:22	£148.30as of 5 Nov, 18:20
RRP (differs)	£377.99	£270.99	not stated
First available on Amazon (differs)	Apr 2025 (1 yr 7 mo old)	Jan 2026 (9 mo old)	Jun 2025 (1 yr 4 mo old)
Brand (differs)	ASUS	ASRock	Gigabyte
RAM slots (differs)	not stated	2	4
Fastest RAM speed stated (differs)	not stated	8,200 MT/s	not stated
M.2 slots (differs)	3	1	2
PCIe 5.0 graphics slot (differs)	not stated	Yes	not stated
PCIe 5.0 M.2 slot (differs)	not stated	Yes	not stated
WiFi (differs)	None named in the listing title	WiFi 6E	WiFi 6E
Bluetooth (differs)	not stated	5.3	not stated
Fastest USB-C port (differs)	5 Gbps	5 Gbps	not stated
SATA ports (differs)	not stated	4	not stated
Power phases (as stated by the maker) (differs)	not stated	6+1+1	8+2+2
BIOS flashback (differs)	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Colour (differs)	not stated	not stated	White
Amazon sales rank (differs)	#9,626	#50,419	#105,007
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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