Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Asrock B550 Phantom Gaming 4/AC Motherboard	Gigabyte B550 UD AC	Gigabyte B550 EAGLE WIFI6 Motherboard
Price (new) (differs)	£101.43as of 20 Sep, 06:20	£102.38as of 20 Sep, 06:21	£99.95as of 20 Sep, 06:22
Amazon Warehouse offer (differs)	not stated	not stated	£82.66 (Used - Like New)as of 20 Sep, 06:22
RRP (differs)	not stated	not stated	£129.99
Price badge (differs)	30-day low	90-day low	not stated
First available on Amazon (differs)	Jul 2020 (6 yr 2 mo old)	Feb 2023 (3 yr 7 mo old)	Feb 2025 (1 yr 7 mo old)
Brand (differs)	ASRock	Gigabyte	Gigabyte
Socket	AM4	AM4	AM4
Chipset	B550	B550	B550
Form factor (differs)	not stated	ATX	ATX
Memory type	DDR4	DDR4	DDR4
RAM slots (differs)	not stated	4	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	4,733 MT/s	not stated	3,200 MT/s
M.2 slots (differs)	not stated	2	2
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0	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 (differs)	Yes (generation not stated)	Yes (generation not stated)	WiFi 6
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	not stated	1GbE	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port	not stated	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	10+3	10+3+1
BIOS flashback (differs)	not stated	Yes	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	not stated	Yes	not stated
Video outputs (differs)	HDMI	HDMI	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#129,223	#23,356	#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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