Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B850M-A Wi-Fi	MB ASRock AMD AM5 B850M Pro RS	Sapphire MB Nitro+ B850M WIFI7 Motherboard
Price (new) (differs)	£126.98as of 5 Nov, 18:20	£122.40as of 5 Nov, 18:20	£119.99as of 5 Nov, 18:20
Amazon Warehouse offer (differs)	£92.82 (Used - Very Good)as of 5 Nov, 18:20	not stated	not stated
RRP (differs)	£165.99	£247.99	not stated
Price badge (differs)	not stated	not stated	Lowest we've recorded
First available on Amazon (differs)	Apr 2025 (1 yr 7 mo old)	Jan 2025 (1 yr 9 mo old)	Aug 2026 (2 mo old)
Brand (differs)	ASUS	ASRock	Sapphire
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	4	4
Maximum RAM (differs)	not stated	not stated	256 GB
Fastest RAM speed stated (differs)	not stated	8,000 MT/s	5,600 MT/s
M.2 slots (differs)	3	1	not stated
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 5.0	not stated
PCIe 5.0 graphics slot (differs)	not stated	Yes	not stated
PCIe 5.0 M.2 slot (differs)	not stated	Yes	not stated
WiFi (differs)	WiFi 6	None named in the listing title	WiFi 7
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	2.5GbE	not stated	not stated
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	not stated	not stated
SATA ports (differs)	not stated	4	not stated
Power phases (as stated by the maker) (differs)	not stated	8+2+1	not stated
BIOS flashback (differs)	Yes	Yes	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated	HDMI, DisplayPort
Audio codec (differs)	not stated	not stated	ALC897
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#9,626	#21,333	#23,072
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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