Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MAG B850 TOMAHAWK MAX WIFI II	ASUS ROG Strix B850-A Gaming WiFi AMD AM5 B850 ATX Motherboard…	MSI B850 Gaming Plus WiFi V1 Motherboard
Price (new) (differs)	£229.99as of 5 Nov, 18:22	£229.00as of 5 Nov, 18:20	£233.28as of 5 Nov, 18:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£259.99	not stated	not stated
Price badge (differs)	Lowest we've recorded	not stated	not stated
First available on Amazon (differs)	Mar 2026 (7 mo old)	Jan 2025 (1 yr 9 mo old)	Jun 2025 (1 yr 5 mo old)
Brand (differs)	MSI	ASUS	MSI
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	ATX	ATX	ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	4	not stated	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	8,400 MT/s	not stated	8,200 MT/s
M.2 slots (differs)	3	4	3
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	not stated	Yes
PCIe 5.0 M.2 slot (differs)	Yes	not stated	Yes
WiFi	WiFi 7	WiFi 7	WiFi 7
Bluetooth (differs)	5.4	not stated	5.4
Wired LAN (differs)	5GbE	2.5GbE	5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	20 Gbps	20 Gbps	10 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	14+2+2	not stated
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers	not stated	not stated	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)	#1,989	#59,192	#63,537
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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