Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B550-PLUS	Asrock B550 Pro4 AMD B550 Emplacement AM4 ATX	Gigabyte B550 EAGLE Motherboard
Price (new) (differs)	£92.66as of 20 Sep, 06:20	£96.16as of 20 Sep, 06:20	£94.66as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£124.56	£183.17	£102.41
Price badge (differs)	90-day low	not stated	30-day low
First available on Amazon (differs)	Jan 2022 (4 yr 8 mo old)	Jan 2024 (2 yr 8 mo old)	Feb 2025 (1 yr 7 mo old)
Brand (differs)	ASUS	ASRock	Gigabyte
Socket	AM4	AM4	AM4
Chipset	B550	B550	B550
Form factor	ATX	ATX	ATX
Memory type	DDR4	DDR4	DDR4
RAM slots	not stated	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	3,200 MT/s
M.2 slots (differs)	2	not stated	2
Newest PCIe generation stated (differs)	PCIe 4.0	not stated	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi	None named in the listing title	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	1GbE	not stated	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	10 Gbps	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	10+3+1
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	not stated	not stated	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#1,413	#87,066	#1,402
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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