Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS ROG Strix B850-I Gaming WiFi AMD AM5 B850 Mini-ITX mITX…	ASUS ROG Strix B850-I Gaming WiFi AMD Mini-ITX motherboard	Gigabyte B850I AORUS PRO Motherboard	MB ASRock AMD AM5 B850I Lightning WiFi
Price (new) (differs)	£246.98as of 5 Nov, 18:21	£246.98as of 5 Nov, 18:20	£219.99as of 5 Nov, 18:22	£183.98as of 5 Nov, 18:22
Amazon Warehouse offer	not stated	not stated	not stated	not stated
RRP (differs)	not stated	£375.76	£299.99	£441.99
Price badge (differs)	Lowest we've recorded	Lowest we've recorded	not stated	90-day low
First available on Amazon	Jan 2025 (1 yr 9 mo old)	Jan 2025 (1 yr 9 mo old)	Jan 2025 (1 yr 9 mo old)	Jan 2025 (1 yr 9 mo old)
Brand (differs)	ASUS	ASUS	Gigabyte	ASRock
Socket	AM5	AM5	AM5	AM5
Chipset	B850	B850	B850	B850
Form factor	Mini-ITX	Mini-ITX	Mini-ITX	Mini-ITX
Memory type	DDR5	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	not stated	2	not stated
Maximum RAM	not stated	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	8,400 MT/s	not stated
M.2 slots (differs)	2	2	1	not stated
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 5.0	PCIe 5.0	not stated
PCIe 5.0 graphics slot (differs)	Yes	Yes	Yes	not stated
PCIe 5.0 M.2 slot (differs)	Yes	Yes	Yes	not stated
WiFi (differs)	WiFi 7	WiFi 7	WiFi 7	Yes (generation not stated)
Bluetooth	not stated	not stated	not stated	not stated
Wired LAN (differs)	2.5GbE	2.5GbE	2.5GbE	not stated
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port (differs)	20 Gbps	20 Gbps	not stated	not stated
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	10+2+1	10+2+1	8+2+1	not stated
BIOS flashback (differs)	Yes	Yes	Yes	not stated
Debug LED / POST code (differs)	Yes	Yes	not stated	not stated
ARGB headers (differs)	Yes	Yes	not stated	not stated
Video outputs (differs)	HDMI	HDMI	not stated	not stated
Audio codec (differs)	ALC4080	ALC4080	not stated	not stated
Colour	not stated	not stated	not stated	not stated
Amazon sales rank (differs)	#78,198	#2,683	#1,464	#43,270
Buy	Check price on Amazon	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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