Gigabyte B660M Gaming X AX DDR4 Motherboard

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 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. 4 x DDR DIMM sockets supporting up to 128 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.)

Integrated Graphics Processor-Intel^® HD Graphics support:

1. 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.
2. 1 x DisplayPort, supporting a maximum resolution of 4096×2304@60 Hz
   * Support for DisplayPort 1.2 version and HDCP 2.3

(Graphics specifications may vary depending on CPU support.)

1. Realtek^® Audio CODEC
2. High Definition Audio
3. 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.
4. Support for S/PDIF Out

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

Intel^® Wi-Fi 6 AX200 (For PCB rev. 1.0)

1. WIFI a, b, g, n, ac, ax, supporting 2.4/5 GHz Dual-Band
2. BLUETOOTH 5.2
3. Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate

Intel^® Wi-Fi 6E AX211 (For PCB rev. 1.1)

1. WIFI a, b, g, n, ac, ax, supporting 2.4/5/6 GHz carrier frequency bands
2. BLUETOOTH 5.2
3. Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate
   * Actual data rate may vary depending on environment and equipment.

1. 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.)
2. 1 x PCI Express x16 slot, running at x4 (PCIEX4)
   (The PCIEX4 slot conforms to PCI Express 3.0 standard.)

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

CPU:

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 2260/2280/22110 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.

Chipset:

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

Chipset+2 USB 2.0 Hubs:

1. 8 x USB 2.0/1.1 ports (4 ports on the back panel, 4 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. 3 x system fan headers
5. 2 x addressable LED strip headers
6. 2 x RGB LED strip headers
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 USB Type-C^® header, with USB 3.2 Gen 2 support
12. 1 x USB 3.2 Gen 1 header
13. 2 x USB 2.0/1.1 headers
14. 1 x S/PDIF Out header
15. 2 x Thunderbolt™ add-in card connectors
16. 1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0 module only)
17. 1 x serial port header
18. 1 x reset button
19. 1 x Q-Flash Plus button
20. 1 x reset jumper
21. 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. 3 x USB 3.2 Gen 1 ports
2. 5 x USB 2.0/1.1 ports
3. 2 x SMA antenna connectors (2T2R)
4. 1 x HDMI 2.1 port
5. 1 x DisplayPort
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. Fan fail warning
5. Fan speed control
   * Whether the fan speed control function is supported will depend on the fan 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. LAN bandwidth management software

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

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