Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MB ASRock AMD AM5 B850 Pro-A WiFi	ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX	MB ASRock AMD AM5 B850 Pro RS
Price (new) (differs)	£142.94as of 20 Sep, 06:22	£143.99as of 20 Sep, 06:22	£141.81as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£336.99	£229.99	£363.99
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Feb 2025 (1 yr 7 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	ASRock	ASUS	ASRock
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	ATX	ATX	ATX
Memory type	DDR5	DDR5	DDR5
RAM slots	not stated	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated	not stated	not stated	not stated
M.2 slots	not stated	not stated	not stated
Newest PCIe generation stated	not stated	not stated	not stated
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi (differs)	Yes (generation not stated)	WiFi 6E	None named in the listing title
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	not stated	2.5GbE	not stated
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port	not stated	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker)	not stated	not stated	not stated
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	not stated	Yes	not stated
Video outputs	not stated	not stated	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#88,726	#14,479	#50,228
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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