Gigabyte B660M Gaming LGA 1700 DDR4 Micro ATX Motherboard

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      

2 x DDR4 DIMM sockets   supporting up to 64 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

Integrated Graphics   Processor-Intel® HD Graphics support:     

1 x D-Sub port,   supporting a maximum resolution of 1920x1200@60 Hz       

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.       

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.)

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)

Expansion Slots

1 x PCI Express x16   slot, running at x16     

(The PCIEX16 slot   conforms to PCI Express 4.0 standard.)         

1 x PCI Express x1 slot          

(The PCIEX1 slot   conforms 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 SATA 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 on   the back panel, with USB 3.2 Gen 1 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 serial port header

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       

1 x D-Sub port           

1 x HDMI port

1 x DisplayPort          

3 x USB 3.2 Gen 1 ports       

1 x USB Type-C® port,   with USB 3.2 Gen 1 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   

Bundled Software

Norton® Internet   Security (OEM version)  

Realtek® Gaming LAN   Bandwidth Control Utility 

Operating System

Support for Windows 11   64-bit       

Support for Windows 10   64-bit      

Form Factor

Micro ATX Form Factor;   24.4cm x 22.5cm