Mainboard Gigabyte B660M D3H DDR4

• LGA1700 socket: Support for 12th Generation Intel^® Core™ i9 processors/Intel^® Core™ i7 processors/Intel^® Core™ i5 processors
• L3 cache varies with CPU

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

• Intel^® B660 Express Chipset

• Support for DDR4 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

(Go to GIGABYTE’s website for the latest supported memory speeds and memory modules.)

• 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

• 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.

• Realtek^® 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)

• 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.)

• 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.

• 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

• 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

＊All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.

• 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

• iTE^® I/O Controller Chip

• 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 cooler you install.

• 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

• 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

• Norton^® Internet Security (OEM version)
• Realtek^® Gaming LAN Bandwidth Control Utility

• Support for Windows 11 64-bit
• Support for Windows 10 64-bit

• Micro ATX Form Factor; 24.4cm x 24.4cm