Gigabyte B660M Gaming X AX DDR4 Motherboard

CPU

Intel ® B660 Express Chipset

Memory

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 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.)

Onboard Graphics

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. Please visit GIGABYTE’s website for details on configuring the audio software. Support for S/PDIF Out

LAN

Intel ® Wi-Fi 6 AX200 (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 6E AX211 (For PCB rev. 1.1) 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 (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) (The PCIEX4 slot conforms to PCI Express 3.0 standard.)

Multi-Graphics Technology

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

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 2260/2280/22110 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 connectors supported by the Chipset.

USB

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

3 x USB 3.2 Gen 1 ports 5 x USB 2.0/1.1 ports 2 x SMA antenna connectors (2T2R) 1 x HDMI 2.1 port 1 x DisplayPort 1 x RJ-45 port 3 x audio jacks

I/O Controller

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 fan you install.

BIOS

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

Bundled Software

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

Form Factor

Micro ATX Form Factor; 24.4cm x 24.4cm