Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Sapphire MB Nitro+ B850M WIFI7 Motherboard	Asrock B850M-X WiFi B850 AM5 Micro ATX WiFi R2.0 PCIe 4.0 Motherboard	MB ASRock AMD AM5 B850M Pro RS
Price (new) (differs)	£119.99as of 5 Nov, 18:20	£118.76as of 5 Nov, 18:22	£122.40as of 5 Nov, 18:20
RRP (differs)	not stated	£265.99	£247.99
Price badge (differs)	Lowest we've recorded	not stated	not stated
First available on Amazon (differs)	Aug 2026 (2 mo old)	Apr 2025 (1 yr 7 mo old)	Jan 2025 (1 yr 9 mo old)
Brand (differs)	Sapphire	ASRock	ASRock
RAM slots (differs)	4	not stated	4
Maximum RAM (differs)	256 GB	not stated	not stated
Fastest RAM speed stated (differs)	5,600 MT/s	not stated	8,000 MT/s
M.2 slots (differs)	not stated	1	1
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	not stated	Yes
WiFi (differs)	WiFi 7	WiFi 6E	None named in the listing title
Bluetooth (differs)	not stated	5.2	not stated
SATA ports (differs)	not stated	4	4
Power phases (as stated by the maker) (differs)	not stated	not stated	8+2+1
BIOS flashback (differs)	not stated	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Audio codec (differs)	ALC897	not stated	not stated
Amazon sales rank (differs)	#23,072	#56,065	#21,333
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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