Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MSI B850M GAMING PLUS WIFI6E Motherboard	ASUS Prime B850M-K Gaming Motherboard Socket AMD AM5	MB ASRock AMD AM5 B850M Pro-A
Price (new) (differs)	£115.00as of 20 Sep, 06:20	£118.99as of 20 Sep, 06:21	£112.16as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£149.99	£199.99	£260.99
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jun 2025 (1 yr 2 mo old)	Apr 2025 (1 yr 5 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	MSI	ASUS	ASRock
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	4	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	8,200 MT/s	not stated	not stated
M.2 slots (differs)	2	2	not stated
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 5.0	not stated
PCIe 5.0 graphics slot (differs)	not stated	Yes	not stated
PCIe 5.0 M.2 slot (differs)	Yes	Yes	not stated
WiFi (differs)	WiFi 6E	None named in the listing title	None named in the listing title
Bluetooth (differs)	5.3	not stated	not stated
Wired LAN (differs)	2.5GbE	2.5GbE	not stated
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	10 Gbps	5 Gbps	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	8+2+1	not stated
BIOS flashback (differs)	not stated	Yes	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)	#1,062	#14,479	#55,246
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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