Mainboard Gigabyte B660M DS3H AX DDR4

CPU

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

Chipset

• Intel^® B660 Express Chipset

Memory

• 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

Onboard Graphics

Integrated Graphics Processor-Intel^® HD Graphics support:

• 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 3 displays at the same time

Audio

• 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.

LAN

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

Wireless Communication module

Intel^® Wi-Fi 6 AX201 (For PCB rev. 1.0)

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

Intel^® Wi-Fi 6 AX200 (For PCB rev. 1.1)

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

Intel^® Wi-Fi 6E AX211 (For PCB rev. 1.2)

• WIFI a, b, g, n, ac, ax, supporting 2.4/5/6 GHz carrier frequency bands
• BLUETOOTH 5.2
• 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 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.)

Storage Interface

CPU:

• 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.

USB

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

Internal I/O Connectors

• 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 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.

Back Panel Connectors

• 2 x USB 2.0/1.1 ports
• 1 x PS/2 keyboard/mouse port
• 2 x SMA antenna connectors (2T2R)
• 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

I/O Controller

• iTE^® I/O Controller Chip

H/W Monitoring

• 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.

BIOS

• 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

Unique Features

• 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