Compare 3 motherboards

Side-by-side comparison of 3 motherboards

Specification	MB ASRock AMD AM5 B850 Pro RS	MB ASRock AMD AM5 B850 Pro-A WiFi	ASUS PRIME B850-PLUS-CSM
Price (new) (differs)	£150.14as of 5 Nov, 18:20	£147.92as of 5 Nov, 18:20	£161.99as of 5 Nov, 18:20
RRP (differs)	£363.99	£336.99	£161.99
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Jan 2025 (1 yr 9 mo old)	Mar 2025 (1 yr 7 mo old)
Brand (differs)	ASRock	ASRock	ASUS
M.2 slots (differs)	not stated	not stated	3
Newest PCIe generation stated (differs)	not stated	not stated	PCIe 5.0
WiFi (differs)	None named in the listing title	Yes (generation not stated)	WiFi 6E
Wired LAN (differs)	not stated	not stated	2.5GbE
Fastest USB-C port (differs)	not stated	not stated	10 Gbps
Power phases (as stated by the maker) (differs)	not stated	not stated	8+2+1
ARGB headers (differs)	not stated	not stated	Yes
Video outputs (differs)	not stated	not stated	HDMI, DisplayPort
Amazon sales rank (differs)	#21,333	#31,519	#9,626
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.

• Remove MB ASRock AMD AM5 B850 Pro RS
• Remove MB ASRock AMD AM5 B850 Pro-A WiFi
• Remove ASUS PRIME B850-PLUS-CSM

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