GIGABYTE B660M D2H DDR4 (rev. 1.0)

1. LGA1700 socket: Support for 12th Generation Intel^® Core™, Pentium^® Gold and Celeron^® Processors*
2. L3 cache varies with CPU

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

1. Intel^® B660 Express Chipset

1. 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
2. 2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity) of system memory
3. Dual channel memory architecture
4. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
5. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
6. Support for Extreme Memory Profile (XMP) memory modules

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

1. 1 x D-Sub port, supporting a maximum resolution of 1920×1200@60 Hz
2. 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.

(Graphics specifications may vary depending on CPU support.)

1. Realtek^® Audio CODEC
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for S/PDIF Out
   * 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.

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

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

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

Chipset:

1. 1 x M.2 connector (Socket 3, M key, type 2260/2280 PCIe 4.0 x4/x2 SSD support) (M2P_SB)
2. 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 connectors supported by the Chipset.

1. 6 x USB 3.2 Gen 1 ports (4 ports on the back panel, 2 ports available through the internal USB header)
2. 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through the internal USB header)

Chipset+2 USB 2.0 Hubs:

1. 4 x USB 2.0/1.1 ports available through the internal USB headers

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 1 x CPU fan header
4. 2 x system fan headers
5. 1 x addressable LED strip header
6. 1 x RGB LED strip header
7. 2 x M.2 Socket 3 connectors
8. 4 x SATA 6Gb/s connectors
9. 1 x front panel header
10. 1 x front panel audio header
11. 1 x S/PDIF Out header
12. 1 x USB 3.2 Gen 1 header
13. 3 x USB 2.0/1.1 headers
14. 1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0 module only)
15. 1 x serial port header
16. 1 x Q-Flash Plus button
17. 1 x reset button
18. 1 x reset jumper
19. 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. 1 x PS/2 keyboard/mouse port
2. 1 x D-Sub port
3. 1 x HDMI port
4. 4 x USB 3.2 Gen 1 ports
5. 2 x USB 2.0/1.1 ports
6. 1 x RJ-45 port
7. 3 x audio jacks

1. iTE^® I/O Controller Chip

1. Voltage detection
2. Temperature detection
3. Fan speed detection
4. Overheating warning
5. Fan fail warning
6. Fan speed control
   * Whether the fan speed control function is supported will depend on the cooler you install.

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

1. 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
2. Support for Q-Flash Plus
3. Support for Q-Flash
4. Support for Xpress Install

1. Norton^® Internet Security (OEM version)
2. Realtek^® Gaming LAN Bandwidth Control Utility

1. Support for Windows 11 64-bit
2. Support for Windows 10 64-bit

1. Micro ATX Form Factor; 22.5cm x 24.4cm