Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard	Asus B850M MAX GAMING WIFI
Price (new) (differs)	£132.85as of 20 Sep, 06:22	£129.98as of 20 Sep, 06:21
Amazon Warehouse offer	not stated	not stated
RRP (differs)	£270.99	£195.99
Price badge	not stated	not stated
First available on Amazon (differs)	Jan 2026 (8 mo old)	May 2025 (1 yr 4 mo old)
Brand (differs)	ASRock	ASUS
Socket	AM5	AM5
Chipset	B850	B850
Form factor	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5
RAM slots (differs)	2	4
Maximum RAM	not stated	not stated
Fastest RAM speed stated (differs)	8,200 MT/s	not stated
M.2 slots (differs)	1	3
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	not stated
PCIe 5.0 M.2 slot (differs)	Yes	not stated
WiFi	WiFi 6E	WiFi 6E
Bluetooth (differs)	5.3	not stated
Wired LAN (differs)	2.5GbE	not stated
USB4 / Thunderbolt	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	10 Gbps
SATA ports (differs)	4	not stated
Power phases (as stated by the maker) (differs)	6+1+1	not stated
BIOS flashback	not stated	not stated
Debug LED / POST code	not stated	not stated
ARGB headers	not stated	not stated
Video outputs	HDMI, DisplayPort	HDMI, DisplayPort
Audio codec	not stated	not stated
Colour	not stated	not stated
Amazon sales rank (differs)	#36,335	#14,479
Buy	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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