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Micro ATX motherboard, black PCB with silver heatsinks and white accents

GIGABYTE

GIGABYTE B660M GAMING AC DDR4 Intel motherboard

SKU CH-4A6J-05V01

Micro-ATX LGA 1700 board with dual-channel DDR4 up to 3200 MHz, 2.5 GbE LAN, Realtek 7.1 audio, two M.2 and four SATA ports

  • CPU Socket TypeLGA 1700
  • ChipsetIntel B660
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardSupport dual-channel DDR4 3200/3000/2933/2666/2400/2133MHz m
  • Maximum Memory Supported64GB
  • Channel SupportedDual Channel
  • Supports 12th and 13th Gen Intel Core CPUs on LGA 1700 socket
  • Dual-channel DDR4 up to 3200 MHz with 64 GB maximum capacity
  • Realtek 7.1 channel audio chip and 2.5 GbE LAN for wired connectivity
  • PCIe 4.0 x16 slot plus two M.2 and four SATA 6 Gb/s ports for storage
  • Micro ATX form factor 9.6 x 8.1 inches with USB 3.2 Gen1 Type-C rear port

LGA 1700 Micro ATX DDR4 board

This motherboard uses the Intel B660 chipset and fits LGA 1700 processors in a Micro ATX layout. It provides two DDR4 DIMM slots with dual-channel support up to 64 GB. Integrated Realtek 7.1 audio and a 2.5 GbE LAN port handle sound and wired networking.

DDR4 memory limit defines the fit

Builders who want DDR4 memory and a compact board for 12th or 13th generation Intel CPUs will match this specification. Systems that require four DIMM slots, DDR5 memory or more than two M.2 sockets should choose a different platform.

Two DDR4 slots cap memory at 64 GB

The board offers only two 288-pin DDR4 slots, so the maximum installed capacity is 64 GB. This single constraint decides whether the platform suits your planned memory configuration.

Highlights

  • Supports 12th and 13th Gen Intel Core CPUs on LGA 1700 socket
  • Dual-channel DDR4 up to 3200 MHz with 64 GB maximum capacity
  • Realtek 7.1 channel audio chip and 2.5 GbE LAN for wired connectivity
  • PCIe 4.0 x16 slot plus two M.2 and four SATA 6 Gb/s ports for storage
  • Micro ATX form factor 9.6 x 8.1 inches with USB 3.2 Gen1 Type-C rear port

Specifications

BrandGIGABYTE
SeriesGAMING
ModelB660M GAMING AC
CPU Socket TypeLGA 1700
ChipsetIntel B660
Number of Memory Slots2x288pin (DDR4)
Memory StandardSupport dual-channel DDR4 3200/3000/2933/2666/2400/2133MHz memory
Maximum Memory Supported64GB
Channel SupportedDual Channel
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express x11 x PCI Express x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.22 x M.2
Audio ChipsetAudio chip Integrated Realtek 7.1 channel audio chip
LAN ChipsetNetwork card chip Onboard Realtek 2.5GbE network card
Back I/O PortsUSB (backplane) 1×USB3.2 Gen1 Type-C interface
3×USB3.2 Gen1 interface
2×USB2.0/1.1 interface
USB (built-in) 2×USB3.2 Gen1 interface
4×USB2.0/1.1 interface
Video interface 1×VGA interface, 1×HDMI interface, 1×DisplayPort interface
Power interface One 8-pin, one 24-pin power interface
Other interfaces 1×PS/2 common interface for keyboard and mouse, 1×RJ45 network interface, 2×antenna interface, 3×audio interface
Form FactorMicro ATX
Dimensions (W x L)9.6" x 8.1"

Questions about this item

What clearance does the 9.6" x 8.1" Micro ATX board need inside the case?

It fits any chassis with Micro ATX mounting holes and enough room for the 9.6 inch by 8.1 inch PCB plus the rear I/O shield.

Which power connectors must be seated before first boot?

Connect the 24 pin ATX cable and the 8 pin CPU cable; the board will not post if either is missing.

What is the largest DDR4 kit this board can accept?

Two 32 GB DDR4 modules for a total of 64 GB running in dual channel at up to 3200 MHz.

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