GIGABYTE B550 AORUS Pro AX (Rev. 1.0)

B550 · AM4 · ATX

General

Chipset	B550
Socket	AM4
Form Factor	ATX
Supported CPU Families	Athlon - Dali, Ryzen 3000, Ryzen 4000, Ryzen 4000G, Ryzen 5000, Ryzen 5000G

Memory4× DDR4 · max 128 GB · 5400 MT/s

M.2 Slots2×

GPU Slots3× x16 · PCIe 4.0

Fastest USBUSB 10 Gbps

NetworkLAN 2.5 Gbps · Wi-Fi 6 · Bluetooth 5.2

Power Stages6+2 phases · 50 A

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PCIe Version	4.0
PCIe x16 Slots	3
PCIe x1 Slots	2
PCIe Slot Modes	1× PCIe 4.0 x16 2× PCIe 3.0 x16 · electrical: 1× x4 + 1× x2 2× PCIe 3.0 x1
M.2 Slots	M.2_1: PCIe 4.0 x4 · SATA supported M.2_2: PCIe 3.0 x4
SATA Ports	6
Highest USB	USB 10 Gbps
RAID	0/1/10

Audio Codec	Realtek ALC1220
LAN Chip	Realtek RTL8125B
Wireless	Wi-Fi 6 · Bluetooth 5.2
Rear I/O	6× USB 2.0 Type-A 2× USB 5Gbps Type-A 2× USB 10Gbps Type-A 1× USB 10Gbps Type-C 1× HDMI 1× 2.5 Gbps LAN 2× Wi-Fi antenna connector 5× Audio jacks (3.5 mm) 1× S/PDIF optical out
Front Panel Headers	4× USB 2.0 2× USB-A 5Gbps 1× USB-C 5Gbps HD Audio (front audio)
Case Fan Headers	4× 4-pin PWM fan 3× Pump (liquid cooling)
RGB Header	2× ARGB (5V 3-pin) 3× RGB (12V 4-pin)
RGB Zones	RGB 2 zones (audio signal path, I/O-shield)
TPM Header	Yes
BIOS Chip	32 MB
Dual BIOS	No
Special Features	Audio+solid capacitors Diagnostic LED (LED indicators) I/O-shield integrated 2x M.2 passive heatsink