Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	MB ASRock AMD AM5 B850M Pro-A	ASUS Prime B850M-K Gaming Motherboard Socket AMD AM5
Price (new) (differs)	£112.16as of 20 Sep, 06:22	£118.99as of 20 Sep, 06:21
RRP (differs)	£260.99	£199.99
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Apr 2025 (1 yr 5 mo old)
Brand (differs)	ASRock	ASUS
M.2 slots (differs)	not stated	2
Newest PCIe generation stated (differs)	not stated	PCIe 5.0
PCIe 5.0 graphics slot (differs)	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	Yes
Wired LAN (differs)	not stated	2.5GbE
Fastest USB-C port (differs)	not stated	5 Gbps
Power phases (as stated by the maker) (differs)	not stated	8+2+1
BIOS flashback (differs)	not stated	Yes
ARGB headers (differs)	not stated	Yes
Amazon sales rank (differs)	#55,246	#14,479
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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