Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS PRIME B660M-A D4-CSM	ASUS Prime B660M-K D4 Intel B660 LGA 1700 mATX motherboard with PCIe…	1700 ASUS MB ASUS PRIME B660M-A WIFI DDR4	ASUS B660-PLUS D4 - Intel LGA 1700 Socket
Price (new) (differs)	£114.99as of 20 Sep, 02:41	£119.62as of 20 Sep, 02:41	£180.16as of 20 Sep, 02:41	£110.69as of 20 Sep, 02:41
Amazon Warehouse offer	not stated	not stated	not stated	not stated
RRP (differs)	£176.45	£178.38	£235.99	£201.99
Price badge (differs)	not stated	not stated	90-day low	not stated
First available on Amazon (differs)	Jan 2024 (2 yr 8 mo old)	Jan 2022 (4 yr 8 mo old)	Jan 2022 (4 yr 8 mo old)	Jan 2022 (4 yr 8 mo old)
Brand	ASUS	ASUS	ASUS	ASUS
Socket	LGA1700	LGA1700	LGA1700	LGA1700
Chipset	B660	B660	B660	B660
Form factor (differs)	Micro-ATX	Micro-ATX	Micro-ATX	not stated
Memory type	DDR4	DDR4	DDR4	DDR4
RAM slots	not stated	not stated	not stated	not stated
Maximum RAM	not stated	not stated	not stated	not stated
Fastest RAM speed stated	not stated	not stated	not stated	not stated
M.2 slots (differs)	not stated	2	not stated	3
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated	not stated
WiFi (differs)	None named in the listing title	None named in the listing title	WiFi 6	None named in the listing title
Bluetooth	not stated	not stated	not stated	not stated
Wired LAN (differs)	1GbE	1GbE	1GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	not stated	5 Gbps	20 Gbps
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker)	not stated	not stated	not stated	not stated
BIOS flashback	not stated	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated	not stated
ARGB headers	not stated	not stated	not stated	not stated
Video outputs (differs)	not stated	HDMI	not stated	not stated
Audio codec	not stated	not stated	not stated	not stated
Colour	not stated	not stated	not stated	not stated
Amazon sales rank (differs)	#135,165	#23,056	#23,056	#23,056
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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