GigaByte MB B660M DS3H DDR4, S.1700, DDR4/5333(OC), PCIe 4.0, SATA3, M.2, G-LAN, VGA/HDMI/2×DP, USB3.2/USB Type-C, 7.1ch., mATX

Features
– Supports 12th Gen Intel Core Series Processors
– Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs
– 6+2+1 Phases Hybrid Digital VRM with MOS Heatsink
– Fast 2.5 GbE LAN with Bandwidth Management
– Dual Ultra-Fast NVMe PCIe 4.0 x4 M.2 with Thermal Guard
– Rear SuperSpeed USB 3.2 Gen 2 TYPE-C® for Fast and Versatile Connections
– High Quality Audio Capacitors and Audio Noise Guard
– RGB FUSION 2.0 supports Addressable LED & RGB LED Strips
– Smart Fan 6 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
– Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card

Specification
CPU
– LGA1700 socket: Support for 12th Generation Intel® Core, Pentium Gold and Celeron Processors*
– L3 cache varies with CPU

* Please refer to “CPU Support List” for more information.

Chipset
– Intel B660 Express Chipset

Memory
– Support for DDR4 5333(O.C.)/ DDR4 5133(O.C.)/DDR4 5000(O.C.)/4933(O.C.)/4800(O.C.)/ 4700(O.C.)/ 4600(O.C.)/ 4500(O.C.)/ 4400(O.C.)/ 4300(O.C.)/4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3666(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200/3000/2933/2666/2400/2133 MHz memory modules
– 4 x DDR DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
– Dual channel memory architecture
– Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
– Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
– Support for Extreme Memory Profile (XMP) memory modules

Onboard Graphics
– 1 x D-Sub port, supporting a maximum resolution of 1920×1200@60 Hz
– 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
* Support for HDMI 2.1 version and HDCP 2.3.
** Support native HDMI 2.1 TMDS compatible ports.
– 1 x DisplayPort, supporting a maximum resolution of 4096×2304@60 Hz
* Support for DisplayPort 1.2 version and HDCP 2.3
– 1 x DisplayPort, supporting a maximum resolution of 4096×2304@60 Hz
* Support for DisplayPort 1.2 version.

(Graphics specifications may vary depending on CPU support.)

Support for up to 4 displays at the same time

Audio
– Realtek Audio CODEC
– High Definition Audio
– 2/4/5.1/7.1-channel
* To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings Playback Device to change the default setting first. Please visit GIGABYTE’s website for details on configuring the audio software.
– Support for S/PDIF Out

LAN
– Realtek 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)

Expansion Slots
– 1 x PCI Express x16 slot, running at x16
(The PCIEX16 slot conforms to PCI Express 4.0 standard.)
– 2 x PCI Express x1 slots
(The PCIEX1 slots conform to PCI Express 3.0 standard.)

Storage Interface
CPU:
– 1 x M.2 connector (Socket 3, M key, type 2260/2280 PCIe 4.0 x4/x2 SSD support) (M2A_CPU)

Chipset:
– 1 x M.2 connector (Socket 3, M key, type 2260/2280 PCIe 4.0 x4/x2 SSD support) (M2P_SB)
– 4 x SATA 6Gb/s connectors

Support for RAID 0, RAID 1, RAID 5, and RAID 10

Intel Optane Memory Ready
* System acceleration with Intel Optane Memory can only be enabled on the M.2 connector supported by the Chipset.

USB
Chipset:
– 1 x USB Type-C port on the back panel, with USB 3.2 Gen 2 support
– 5 x USB 3.2 Gen 1 ports (3 ports on the back panel, 2 ports available through the internal USB header)
– 2 x USB 2.0/1.1 ports on the back panel

Chipset+2 USB 2.0 Hubs:
– 4 x USB 2.0/1.1 ports available through the internal USB headers

Internal I/O Connectors
– 1 x 24-pin ATX main power connector
– 1 x 8-pin ATX 12V power connector
– 1 x CPU fan header
– 3 x system fan headers
– 1 x addressable LED strip header
– 1 x RGB LED strip header
– 2 x M.2 Socket 3 connectors
– 4 x SATA 6Gb/s connectors
– 1 x front panel header
– 1 x front panel audio header
– 1 x USB 3.2 Gen 1 header
– 2 x USB 2.0/1.1 headers
– 1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0 module only)
– 1 x serial port header
– 1 x parallel port header
– 1 x S/PDIF Out header
– 1 x Q-Flash Plus button
– 1 x reset button
– 1 x reset jumper
– 1 x Clear CMOS jumper

Back Panel Connectors
– 2 x USB 2.0/1.1 ports
– 1 x PS/2 keyboard/mouse port
– 1 x D-Sub port
– 1 x HDMI port
– 2 x DisplayPorts
– 3 x USB 3.2 Gen 1 ports
– 1 x USB Type-C port, with USB 3.2 Gen 2 support
– 1 x RJ-45 port
– 3 x audio jacks

I/O Controller
– iTE I/O Controller Chip

H/W Monitoring
– Voltage detection
– Temperature detection
– Fan speed detection
– Fan fail warning
– Fan speed control
* Whether the fan speed control function is supported will depend on the fan you install.

BIOS
– 1 x 256 Mbit flash
– Use of licensed AMI UEFI BIOS
– PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features
– Support for APP Center
* Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
@BIOS
EasyTune
Fast Boot
Game Boost
ON/OFF Charge
RGB Fusion
Smart Backup
System Information Viewer
– Support for Q-Flash Plus
– Support for Q-Flash
– Support for Xpress Install

Operating System
– Support for Windows 11 64-bit
– Support for Windows 10 64-bit

Form Factor
– Micro ATX Form Factor; 24.4cm x 24.4cm