Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MB ASRock AMD AM5 B850 Pro RS	Asus B850 MAX GAMING WIFI W	ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX
Price (new) (differs)	£141.81as of 20 Sep, 06:22	£139.00as of 20 Sep, 06:22	£143.99as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£363.99	£195.99	£229.99
Price badge (differs)	not stated	30-day low	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Mar 2025 (1 yr 6 mo old)	Feb 2025 (1 yr 7 mo old)
Brand (differs)	ASRock	ASUS	ASUS
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	ATX	ATX	ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	4	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated	not stated	not stated	not stated
M.2 slots (differs)	not stated	3	not stated
Newest PCIe generation stated (differs)	not stated	PCIe 5.0	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)	None named in the listing title	WiFi 6E	WiFi 6E
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	not stated	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	10 Gbps	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	not stated	Yes
Video outputs (differs)	not stated	HDMI, DisplayPort	not stated
Audio codec	not stated	not stated	not stated
Colour (differs)	not stated	White	not stated
Amazon sales rank (differs)	#50,228	#13,264	#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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