Asus PRIME B550M-A Manual page 13

7. SATA 6Gb/s ports
The SATA 6Gb/s ports allow you to connect SATA devices such as optical disc drives and
hard disk drives via a SATA cable.
8. USB 3.2 Gen 1 header
The USB 3.2 Gen 1 header allows you to connect a USB 3.2 Gen 1
module for additional USB 3.2 Gen 1 ports. The USB 3.2 Gen 1 header
provides data transfer speeds of up to 5 Gb/s.
The USB 3.2 Gen 1 module is purchased separately.
9. USB 2.0 headers
The USB 2.0 headers allow you to connect USB modules for additional USB 2.0 ports. The
USB 2.0 headers provide data transfer speeds of up to 480 Mb/s.
DO NOT connect a 1394 cable to the USB connectors. Doing so will
damage the motherboard!
The USB 2.0 module is purchased separately.
10. AURA Addressable Gen 2 header
The Addressable Gen 2 header allows you to connect individually addressable RGB
WS2812B LED strips or WS2812B based LED strips.
The Addressable Gen 2 header supports WS2812B addressable RGB
LED strips (5V/Data/Ground), with a maximum power rating of 3A (5V)
and the addressable headers on this board can handle a combined
maximum of 500 LEDs.
Before you install or remove any component, ensure that the power supply is switched off
or the power cord is detached from the power supply. Failure to do so may cause severe
damage to the motherboard, peripherals, or components.
• Actual lighting and color will vary with LED strip.
• If your LED strip does not light up, check if the addressable RGB LED strip is
connected in the correct orientation, and the 5V connector is aligned with the 5V
header on the motherboard.
• The addressable RGB LED strip will only light up when the system is powered on.
• The addressable RGB LED strip is purchased separately.
11. AURA RGB headers
The RGB headers allow you to connect RGB LED strips.
The RGB headers support 5050 RGB multi-color LED strips (12V/G/R/B), with a maximum
power rating of 3A (12V), and no longer than 3 m.
ASUS PRIME B550M-A (WI-FI)
PIN 1
USB3+5V
USB3+5V IntA_P1_SSRX-
IntA_P2_SSRX- IntA_P1_SSRX+
IntA_P2_SSRX+ GND
GND IntA_P1_SSTX-
IntA_P2_SSTX- IntA_P1_SSTX+
IntA_P2_SSTX+ GND
GND IntA_P1_D-
IntA_P2_D- IntA_P1_D+
IntA_P2_D+ GND
PIN 1
ADD_GEN 2
1-3