Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B850M-F AMD AM5 Socket DDR5 8200MHz OC Supported mATX…	MB ASRock AMD AM5 B850M Pro-A	ASUS Prime B850M-K Gaming Motherboard Socket AMD AM5
Price (new) (differs)	£114.14as of 20 Sep, 06:22	£112.16as of 20 Sep, 06:22	£118.99as of 20 Sep, 06:21
RRP (differs)	£129.99	£260.99	£199.99
First available on Amazon (differs)	Jan 2024 (2 yr 8 mo old)	Jan 2025 (1 yr 8 mo old)	Apr 2025 (1 yr 5 mo old)
Brand (differs)	ASUS	ASRock	ASUS
Fastest RAM speed stated (differs)	8,200 MT/s	not stated	not stated
M.2 slots (differs)	not stated	not stated	2
Newest PCIe generation stated (differs)	PCIe 4.0	not stated	PCIe 5.0
PCIe 5.0 graphics slot (differs)	not stated	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	not stated	Yes
Wired LAN (differs)	not stated	not stated	2.5GbE
Fastest USB-C port (differs)	not stated	not stated	5 Gbps
Power phases (as stated by the maker) (differs)	not stated	not stated	8+2+1
BIOS flashback (differs)	not stated	not stated	Yes
ARGB headers (differs)	not stated	not stated	Yes
Video outputs (differs)	HDMI	not stated	not stated
Amazon sales rank (differs)	#120,366	#55,246	#14,479
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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