Gigabyte B660M AORUS PRO AX User Manual

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6) CPU_OPT (Water Cooling CPU Fan Header)
The fan header is 4-pin and possesses a foolproof insertion design. Most fan headers possess a foolproof
insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black
connector wire is the ground wire). The speed control function requires the use of a fan with fan speed
control design.
Pin No. Denition
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
Connector CPU_FAN SYS_FAN1~3 SYS_FAN4_PUMP CPU_OPT
Maximum Current 2A 2A 2A 2A
Maximum Power 24W 24W 24W 24W
DEBUG
PORT
G.QBOFM
1
7) LED_C1/LED_C2 (RGB LED Strip Headers)
The headers can be used to connect a standard 5050 RGB LED strip (12V/G/R/B), with maximum power
rating of 2A (12V) and maximum length of 2m.
Connect your RGB LED strip to the header. The power pin (marked with a
triangle on the plug) of the LED strip must be connected to Pin 1 (12V) of
this header. Incorrect connection may lead to the damage of the LED strip.
Pin No. Denition
1 12V
2 G
3 R
4 B
1
LED_C2
1
LED_C1
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
RGB LED Strip
1
12V
Before installing the devices, be sure to turn off the devices and your computer. Unplug the power
cord from the power outlet to prevent damage to the devices.
For how to turn on/off the lights of the LED strip, please navigate to the "Unique Features" page
of GIGABYTE's website.

Gigabyte B660M AORUS PRO AX Specifications

General

Processor socket	LGA 1700
Processor manufacturer	Intel
Compatible processor series	Intel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium
Maximum number of SMP processors	1
ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR5-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	5200, 5400, 5600 MHz
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth version	5.2
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
Ethernet interface type	2.5 Gigabit Ethernet
USB 2.0 connectors	2
DisplayPort version	1.2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
VGA (D-Sub) ports quantity	0
RAID levels	0, 1, 5, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
Cables included	SATA
Bundled software	Norton Internet Security, cFosSpeed
BIOS type	UEFI AMI
ACPI version	5.0
BIOS memory size	256 Mbit
Desktop Management Interface (DMI) version	2.7
Maximum resolution	4096 x 2304 pixels
Parallel processing technology support	2-Way CrossFireX, CrossFire
Component for	PC
Motherboard chipset	Intel B660
PC health monitoring	FAN, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10 x64, Windows 11 x64

Weight and Dimensions

Width	244 mm