Gigabyte B660M D3H DDR4 (Rev 1.0) – Socket 1700

• 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.

• Intel^® B660 Express Chipset

• 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

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

• 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
• Support for S/PDIF Out

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

• 1 x PCI Express x16 slot, running at x16 (PCIEX16)
  * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
  (The PCIEX16 slot conforms to PCI Express 4.0 standard.)
• 1 x PCI Express x16 slot, running at x4 (PCIEX4)
• 1 x PCI Express x1 slot
  (The PCIEX4 and PCIEX1 slots conform to PCI Express 3.0 standard.)
• 1 x PCI slot

• Support for AMD Quad-GPU CrossFire™ and 2-Way AMD CrossFire™ technologies

• 1 x M.2 connector (Socket 3, M key, type 2260/2280/22110 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
• 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
• 4 x USB 3.2 Gen 1 ports (2 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 S/PDIF Out header
• 2 x Thunderbolt™ add-in card connectors
• 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 reset button
• 1 x Q-Flash Plus 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.

• 1 x PS/2 keyboard/mouse port
• 1 x USB Type-C^® port, with USB 3.2 Gen 2 support
• 1 x USB 3.2 Gen 2 Type-A port (red)
• 2 x USB 3.2 Gen 1 ports
• 2 x USB 2.0/1.1 ports
• 1 x D-Sub port
• 1 x HDMI port
• 2 x DisplayPorts
• 1 x RJ-45 port
• 6 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)
• cFosSpeed

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

• Micro ATX Form Factor; 24.4cm x 24.4cm