Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX	ASRock B850 Rock WiFi7 AM5 ATX HDMI/USB-C	MSI MAG B850 GAMING PLUS MAX WIFI Motherboard
Price (new) (differs)	£173.99as of 5 Nov, 18:20	£180.33as of 5 Nov, 18:23	£179.99as of 5 Nov, 18:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£229.99	£337.99	£199.99
Price badge (differs)	not stated	not stated	90-day low
First available on Amazon (differs)	Feb 2025 (1 yr 9 mo old)	Feb 2026 (8 mo old)	Mar 2026 (8 mo old)
Brand (differs)	ASUS	ASRock	MSI
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	ATX	ATX	ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	4	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	8,000 MT/s	8,200 MT/s
M.2 slots (differs)	not stated	not stated	3
Newest PCIe generation stated (differs)	not stated	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	not stated	Yes	Yes
PCIe 5.0 M.2 slot (differs)	not stated	Yes	Yes
WiFi (differs)	WiFi 6E	WiFi 7	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)	not stated	10 Gbps	10 Gbps
SATA ports (differs)	not stated	4	not stated
Power phases (as stated by the maker) (differs)	not stated	9+2+1	not stated
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	not stated	HDMI	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#9,626	#50,419	#25,022
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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