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Motherboards

B660M GAMING AC

Model B660M GAMING AC

Intel B660 Micro ATX motherboard for Socket LGA1700 processors, with 2 DDR5 slots (up to 128 GB) and Wi-Fi 5.

Socket
LGA1700
Chipset
Intel B660
Form factor
Micro ATX
Memory
2 x DDR5, up to 128 GB
Wireless
Wi-Fi 5
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Overview Specifications Media Platform and pairing Support
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Overview

Highlights

  • Supports Intel Core 14th, 13th and 12th Gen processors
  • Dual Channel Non-ECC Unbuffered DDR5, 2 DIMMs
  • 6+2+1 Phases Hybrid Digital VRM with MOS Heatsink
  • Fast 2.5 GbE GAMING LAN with Bandwidth Management
  • WIFI 802.11ac & BT with AERO Antenna
  • Two NVMe PCIe 4.0 x4 M.2 slots

Platform

Socket
LGA1700
Chipset
Intel B660
Form factor
Micro ATX 24.4 x 22.5 cm
Memory
DDR5
  • 2 DIMM slots
  • Up to 128 GB
  • Up to 6000 MT/s (OC)
Dual channel
Processor support
  • 14th, 13th, and 12th Generation Intel Core, Pentium Gold and Celeron processors*
Expansion slots
  • 1 x PCIe x16 slot, running at x16
  • 1 x PCIe x1 slot
Up to PCIe 4.0
Storage
2 x M.2
  • 4 x SATA 6Gb/s
Fastest M.2 slot: PCIe 4.0 x4
LAN
  • Realtek 2.5GbE LAN
Wireless
Bluetooth 4.2 Intel Wi-Fi AC 3168
Display outputs
1 x HDMI, 1 x DisplayPort, 1 x D-Sub For processors with integrated graphics
Power inputs
  • 24-pin ATX
  • 1 x 8-pin ATX 12V

At a glance

Platform
Intel
Socket
LGA1700
Chipset
B660
Form factor
Micro ATX
Memory
DDR5
Wireless
Wi-Fi 5
Series
GAMING
Full specifications

Specifications

Platform

CPU
LGA1700 socket: Support for the 14th, 13th, and 12th Generation Intel Core, Pentium Gold and Celeron Processors*L3 cache varies with CPU
Chipset
Intel B660 Express Chipset
Memory
Support for DDR5 6000(O.C.) / 5800(O.C.) / 5600(O.C.) / 5400(O.C.) / 5200(O.C.) / 4800 / 4000 MT/s memory modules2 x DDR5 DIMM sockets supporting up to 128 GB (64 GB single DIMM capacity) of system memoryDual channel memory architectureSupport 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 modulesSupport for Extreme Memory Profile (XMP) memory modules(The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" for more information.)

Graphics and audio

Onboard graphics
Integrated Graphics Processor-Intel HD Graphics support:1 x D-Sub port, supporting a maximum resolution of 1920x1200@60 Hz1 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 CODECHigh Definition Audio2/4/5.1/7.1-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.

Networking

LAN
Realtek 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
Wireless communication module
Intel Wi-Fi AC 3168WIFI 802.11a/b/g/n/ac, supporting 2.4/5 GHz Dual-BandBLUETOOTH 4.2Support for 11ac wireless standard and up to 433 Mbps data rate

Expansion and storage

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 connectorsSupport for SATA RAID 0, RAID 1, RAID 5, and RAID 10Intel Optane Memory Ready* System acceleration with Intel Optane Memory can only be enabled on the M.2 connectors supported by the Chipset.

Ports and connectors

USB
Chipset:1 x USB Type-C port on the back panel, with USB 3.2 Gen 1 support5 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 panelChipset+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 connector1 x 8-pin ATX 12V power connector1 x CPU fan header3 x system fan headers1 x addressable LED strip header1 x RGB LED strip header2 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x USB 3.2 Gen 1 header2 x USB 2.0/1.1 headers1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0 module only)1 x serial port header1 x S/PDIF Out header1 x Q-Flash Plus button1 x reset button1 x reset jumper1 x Clear CMOS jumper
Back panel connectors
2 x USB 2.0/1.1 ports1 x PS/2 keyboard/mouse port2 x SMA antenna connectors (1T1R)1 x D-Sub port1 x HDMI port1 x DisplayPort3 x USB 3.2 Gen 1 ports1 x USB Type-C port, with USB 3.2 Gen 1 support1 x RJ-45 port3 x audio jacks
I/O controller
iTE I/O Controller Chip

Firmware and software

H/W monitoring
Voltage detectionTemperature detectionFan speed detectionFan fail warningFan speed control* Whether the fan speed control function is supported will depend on the cooler you install.
BIOS
1 x 256 Mbit flashUse of licensed AMI UEFI BIOSPnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique features
Support for APP Center@BIOSEasyTuneRGB FusionSmart BackupSystem Information ViewerSupport for Q-Flash PlusSupport for Q-FlashSupport for Xpress Install
Bundle software
Norton Internet Security (OEM version)LAN bandwidth management software
Operating system
Support for Windows 11 64-bitSupport for Windows 10 64-bit

Board

Form factor
Micro ATX Form Factor; 24.4cm x 22.5cm

Specifications are taken from the manufacturer's published information and may change. Confirm critical values with our sales desk before ordering.

GIGABYTE product page

Media

Photos 3

Downloads

Official information

GIGABYTE product page for B660M GAMING AC gigabyte.com

Platform and pairing

Processor and memory

Supplied by brand rather than listed by model. Name the part you need in your enquiry.

Graphics cards

A spread of current cards, from top tier to entry level. Each card page lists its length and recommended power supply.

All 68 graphics cards

Power supplies

Ratings from 400 W to 3000 W. This board's power inputs: 24-pin ATX and 1 x 8-pin ATX 12V. Size the supply to the recommended PSU of the graphics card you fit.

All 229 power supplies

CPU coolers for LGA1700

Coolers whose specifications list socket LGA1700.

All 26 CPU coolers

Cabinets for Micro ATX boards

Cabinets whose specifications list Micro ATX motherboard support.

All 77 cabinets

Parts to plan with this motherboard

Check sockets, memory type, power connectors and dimensions against the specifications before ordering, or ask our sales desk to confirm a build.

Support

Warranty and repairs

Warranty is as per GIGABYTE’s terms for this model. For products bought from us, call our service team with the invoice number, the model and the product’s serial number.

From GIGABYTE

Practical notes

  1. Update the BIOS only from the official support page, following the brand’s instructions.
  2. Check the CPU support list for the BIOS version before buying a processor.
  3. Install chipset, LAN and audio drivers from the official support page.

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