CPU
- LGA1700 socket: Support for 12th Generation Intel® Core™, Pentium® Gold and Celeron® Processors*
- L3 cache varies with CPU
* Please refer to “CPU Support List” for more information.
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Chipset
- Intel® B660 Express Chipset
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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.)
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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
(Graphics specifications may vary depending on CPU support.)
- 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
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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. Please visit GIGABYTE’s website for details on configuring the audio software. - Support for S/PDIF Out
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LAN
- 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
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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.)
- 1 x PCI Express x16 slot, running at x16 (PCIEX16)
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Multi-Graphics Technology
- Support for AMD Quad-GPU CrossFire™ and 2-Way AMD CrossFire™ technologies
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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)
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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
Internal I/O Connectors - 3 x system fan headers
- 2 x addressable LED strip headers
- 2 x RGB LED strip headers
- 2 x M.2 Socket 3 connectors
- 4 x SATA 6Gb/s connectors
- 1 x front panel header
- 1 x front panel audio header
Internal I/O Connectors - 1 x USB Type-C® header, with USB 3.2 Gen 2 support
- 1 x USB 3.2 Gen 1 header
- 2 x USB 2.0/1.1 headers
- 1 x S/PDIF Out header
- 2 x Thunderbolt™ add-in card connectors
- 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 reset button
- 1 x Q-Flash Plus button
- 1 x reset jumper
- 1 x Clear CMOS jumper
B660M GAMING X
*All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.
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Back Panel Connectors
- 3 x USB 3.2 Gen 1 ports
- 5 x USB 2.0/1.1 ports
- 1 x HDMI 2.1 port
- 1 x DisplayPort
- 1 x RJ-45 port
- 3 x audio jacks
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I/O Controller
- iTE® I/O Controller Chip
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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 fan you install.
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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
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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
- Support for APP Center
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Bundled Software
- Norton® Internet Security (OEM version)
- LAN bandwidth management software
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Operating System
- Support for Windows 11 64-bit
- Support for Windows 10 64-bit
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Form Factor


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Aerocool P500A Panoramic Curved Glass Back-Connect Support With 4 120mm ARGB PWM Fans White Mid Tower Gaming Case
HYTE Y60 Modern Aesthetic 3 FE12 Fans Included PCIE 4.0 Riser Cable Black Mid Tower Case
Thermalright Wonder Vision UB 360mm ARGB White AIO Liquid CPU Cooler
MSI MAG 274UPF E2 27 Inch 160Hz 1Ms UHD Rapid IPS KVM Switch VESA DisplayHDR 400 with USB-C Power Delivery Monitor
Xigmatek Connect Pro 360 Argb 7 Inch Magnetic LCD Aio Liquid Cpu Cooler
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Thermalright Stream Vision 360mm ARGB Black AIO Liquid CPU Cooler
MSI Forge GK100 GM100 Membrane RGB 6400 DPI Arabic Wired Keyboard and Mouse Gaming Combo
Gigabyte X870 Aorus Stealth with Wifi 7 and USB 4 Ice Motherboard
Xigmatek Crystal Storm 4 fan PWM Argb Curved TG + Asgard 750W 80+ Bronze Mid Tower Case
Asus TUF Gaming VG279QM5A 27 Inch 240Hz 1Ms Full HD Fast IPS Gaming Monitor
Intel Core I5 14600K Processor
Zotac Gaming GeForce RTX 5070 Solid 12GB GDDR7 Graphic Card
DarkFlash DK431 Mesh TG With 4 CL6 ARGB Fans With GP750 750W 80 Plus Bronze PSU Black Full Tower Gaming Case
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Dareu EK75 RT Magnetic Switch 75% Compact Gasket Mount With Volume Knob RGB White Wired Mechanical Gaming Keyboard
Xigmatek Aqua Compact 4 Fan ARGB PWM Mid Tower Case
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