Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASUS PRIME B850M-A Wi-Fi	MB ASRock AMD AM5 B850M Pro RS
Price (new) (differs)	£126.98as of 5 Nov, 18:20	£122.40as of 5 Nov, 18:20
Amazon Warehouse offer (differs)	£92.82 (Used - Very Good)as of 5 Nov, 18:20	not stated
RRP (differs)	£165.99	£247.99
First available on Amazon (differs)	Apr 2025 (1 yr 7 mo old)	Jan 2025 (1 yr 9 mo old)
Brand (differs)	ASUS	ASRock
RAM slots (differs)	not stated	4
Fastest RAM speed stated (differs)	not stated	8,000 MT/s
M.2 slots (differs)	3	1
PCIe 5.0 graphics slot (differs)	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	Yes
WiFi (differs)	WiFi 6	None named in the listing title
Wired LAN (differs)	2.5GbE	not stated
Fastest USB-C port (differs)	5 Gbps	not stated
SATA ports (differs)	not stated	4
Power phases (as stated by the maker) (differs)	not stated	8+2+1
ARGB headers (differs)	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#9,626	#21,333
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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