Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS ROG Strix B850-A Gaming WiFi AMD ATX motherboard	ASUS B850 MAX Gaming WiFi W	MSI MAG B850 TOMAHAWK WIFI Motherboard
Price (new) (differs)	£199.99as of 5 Nov, 18:23	£198.93as of 5 Nov, 18:22	£199.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)	£155.24 (Used - Very Good)as of 5 Nov, 18:23	not stated	£150.04 (Used - Good)as of 5 Nov, 18:22
RRP (differs)	£349.96	not stated	£209.99
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Nov 2025 (11 mo old)	Oct 2025 (1 yr old)
Brand (differs)	ASUS	ASUS	MSI
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	ATX	ATX	ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	not stated	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	8,200 MT/s
M.2 slots (differs)	4	3	3
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot	Yes	Yes	Yes
PCIe 5.0 M.2 slot	Yes	Yes	Yes
WiFi (differs)	WiFi 7	WiFi 6E	WiFi 7
Bluetooth (differs)	not stated	not stated	5.4
Wired LAN (differs)	2.5GbE	2.5GbE	5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	20 Gbps	10 Gbps	20 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	14+2+2	8+2+1	not stated
BIOS flashback (differs)	Yes	Yes	not stated
Debug LED / POST code (differs)	Yes	Yes	not stated
ARGB headers (differs)	Yes	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Audio codec (differs)	ALC4080	not stated	not stated
Colour (differs)	not stated	White	not stated
Amazon sales rank (differs)	#2,683	#257,368	#2,222
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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