Gigabyte B660M GAMING X AX Phases Hybrid Digital Motherboard

Technical Specification

• CPU
  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.
• Chipset
  1. Intel^® B660 Express Chipset
• Memory
  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.)
• Onboard Graphics
  Integrated Graphics Processor-Intel^® HD Graphics support:

  1. 1 x HDMI port, supporting a maximum resolution of 4096x2160@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 4096x2304@60 Hz
     * Support for DisplayPort 1.2 version and HDCP 2.3

  (Graphics specifications may vary depending on CPU support.)
• Audio
  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
• LAN
  1. 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
• Wireless Communication module
  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.
• Expansion Slots
  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.)
• Multi-Graphics Technology
  1. Support for AMD Quad-GPU CrossFire™ and 2-Way AMD CrossFire™ technologies
• Storage Interface
  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.
• USB
  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)
• Internal I/O Connectors
  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.
• Back Panel Connectors
  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
• I/O Controller
  1. iTE^® I/O Controller Chip
• H/W Monitoring
  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.
• BIOS
  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
• Unique Features
  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
• Bundled Software
  1. Norton^® Internet Security (OEM version)
  2. LAN bandwidth management software
• Operating System
  1. Support for Windows 11 64-bit
  2. Support for Windows 10 64-bit
• Form Factor
  1. Micro ATX Form Factor; 24.4cm x 24.4cm