Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MB ASRock AMD AM5 B850 Pro-A WiFi	MSI PRO B850-S WIFI6E Motherboard	MB ASRock AMD AM5 B850 Pro RS
Price (new) (differs)	£147.92as of 5 Nov, 18:20	£152.65as of 5 Nov, 18:22	£150.14as of 5 Nov, 18:20
RRP (differs)	£336.99	not stated	£363.99
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Sep 2025 (1 yr 1 mo old)	Jan 2025 (1 yr 9 mo old)
Brand (differs)	ASRock	MSI	ASRock
RAM slots (differs)	not stated	4	not stated
Fastest RAM speed stated (differs)	not stated	8,200 MT/s	not stated
M.2 slots (differs)	not stated	2	not stated
Newest PCIe generation stated (differs)	not stated	PCIe 5.0	not stated
PCIe 5.0 M.2 slot (differs)	not stated	Yes	not stated
WiFi (differs)	Yes (generation not stated)	WiFi 6E	None named in the listing title
Bluetooth (differs)	not stated	5.3	not stated
Wired LAN (differs)	not stated	2.5GbE	not stated
Fastest USB-C port (differs)	not stated	10 Gbps	not stated
Amazon sales rank (differs)	#31,519	#220,184	#21,333
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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