Gigabyte B660M D3H DDR4 User Manual

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Please visit GIGABYTE's website for details on conguring the audio software.
• When removing the cable connected to a back panel connector, rst remove the cable from
your device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side
to prevent an electrical short inside the cable connector.
You can change the functionality of an audio jack using the audio software.
Activity LEDSpeed LED
LAN Port
Speed LED:
State Description
Green 2.5 Gbps data rate
Orange 1 Gbps data rate
Off 100 Mbps data rate
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
On No data transmission or receiving is occurring
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 2.5 Gbps data rate. The following
describes the states of the LAN port LEDs.
USB 3.2 Gen 1 Port
The USB 3.2 Gen 1 port supports the USB 3.2 Gen 1 specication and is compatible to the USB 2.0
specication. Use this port for USB devices.
Center/Subwoofer Speaker Out (Orange)
Use this audio jack to connect center/subwoofer speakers.
Rear Speaker Out (Black)
Use this audio jack to connect rear speakers.
Side Speaker Out (Gray)
Use this audio jack to connect side speakers.
Line In (Blue)
The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out/Front Speaker Out (Green)
The line out jack.
Mic In (Pink)
The Mic in jack.
Audio Jack Congurations:
Jack
Headphone/
2-channel
4-channel 5.1-channel 7.1-channel
Center/Subwoofer Speaker Out
a a
Rear Speaker Out
a a a
Side Speaker Out
a
Line In
Line Out/Front Speaker Out
a a a a
Mic In

Gigabyte B660M D3H DDR4 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 Gold
Non-ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	2133, 2400, 2666, 2933, 3000, 3200, 3300, 3333, 3400, 3466, 3600, 3666, 3733, 3800, 3866, 4000, 4133, 4266, 4300, 4400, 4500, 4600, 4700, 4800, 4933, 5000, 5133, 5333 MHz
RAID levels	0, 1, 5, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, PCI Express 4.0, SATA III
Parallel processing technology support	-
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
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.
Wi-Fi	No
Ethernet interface type	2.5 Gigabit Ethernet
Component for	PC
Power source type	ATX
Motherboard chipset	Intel B660
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10 x64, Windows 11 x64
BIOS type	UEFI
ACPI version	5.0
BIOS memory size	256 Mbit
Desktop Management Interface (DMI) version	2.7

Weight and Dimensions

Width	244 mm