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Motherboards

B660 GAMING X DDR4

Model B660 GAMING X DDR4

Intel B660 ATX motherboard for Socket LGA1700 processors, with 4 DDR4 slots (up to 128 GB) and 2.5 GbE LAN.

Socket
LGA1700
Chipset
Intel B660
Form factor
ATX
Memory
4 x DDR4, up to 128 GB
LAN
2.5 GbE
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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 DDR4, 4 DIMMs
  • 8+1+1 Hybrid Digital VRM Design with DrMOS
  • Fully Covered Thermal Design with High Coverage VRM Heatsinks
  • Fast 2.5 GbE GAMING LAN with Bandwidth Management
  • Three NVMe PCIe 4.0/3.0 x4 M.2 slots with Thermal Guard

Platform

Socket
LGA1700
Chipset
Intel B660
Form factor
ATX 30.5 x 24.4 cm
Memory
DDR4
  • Up to 128 GB
  • Up to 4400 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
  • 2 x PCIe x16 slots, running at x1
Up to PCIe 4.0
Storage
3 x M.2
  • 4 x SATA 6Gb/s
Fastest M.2 slot: PCIe 4.0 x4
LAN
  • Realtek 2.5GbE LAN
Wireless
Not included
Display outputs
1 x HDMI, 1 x DisplayPort 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
ATX
Memory
DDR4
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 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 MT/s memory modules4 x DDR DIMM sockets supporting up to 128 GB (32 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

Graphics and audio

Onboard graphics
Integrated Graphics Processor-Intel HD Graphics support:1 x DisplayPort, supporting a maximum resolution of 4096x2304@60 Hz* Support for DisplayPort 1.2 version and HDCP 2.31 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.(Graphics specifications may vary depending on CPU support.)
Audio
Realtek Audio CODECHigh Definition Audio2/4/5.1/7.1-channelSupport for S/PDIF Out

Networking

LAN
Realtek 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)

Expansion and storage

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.)2 x PCI Express x16 slots, running at x1 (PCIEX1_1, PCIEX1_2)(All of the PCI Express slots conform to PCI Express 3.0 standard.)
Storage interface
CPU:1 x M.2 connector (Socket 3, M key, type 2260/2280/22110 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)1 x M.2 connector (Socket 3, M key, type 2260/2280/22110 PCIe 3.0 x4/x2 SSD support) (M2M_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 with USB 3.2 Gen 2 support, available through the internal USB header1 x USB 3.2 Gen 2 Type-A port (red) on the back panel4 x USB 3.2 Gen 1 ports (2 ports on the back panel, 2 ports available through the internal USB header)1 x USB 2.0/1.1 port on the back panelChipset+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
1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector1 x CPU fan header1 x water cooling CPU fan header3 x system fan headers1 x system fan/water cooling pump header2 x addressable LED strip headers2 x RGB LED strip headers3 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x USB Type-C header, with USB 3.2 Gen 2 support1 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 Q-Flash Plus button1 x reset button1 x reset jumper1 x Clear CMOS jumper
Back panel connectors
1 x USB 3.2 Gen 2 Type-A port (red)2 x USB 3.2 Gen 1 ports5 x USB 2.0/1.1 ports1 x DisplayPort1 x HDMI 2.0 port1 x RJ-45 port6 x audio jacks
I/O controller
iTE I/O Controller Chip

Firmware and software

H/W monitoring
Voltage detectionTemperature detectionFan speed detectionWater cooling flow rate detectionFan fail warningFan speed control* Whether the fan (pump) speed control function is supported will depend on the fan (pump) 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
ATX Form Factor; 30.5cm x 24.4cm

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 B660 GAMING X DDR4 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 8 CPU coolers
  • GIGABYTE GP-GIGABYTE GME 240

    GIGABYTE

    GAMING 240

    GP-GIGABYTE GME 240

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE GME 240I

    GIGABYTE

    GAMING 240 ICE

    GP-GIGABYTE GME 240I

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE EAGLE 360

    GIGABYTE

    EAGLE 360

    GP-GIGABYTE EAGLE 360

    • 360 mm
    • 3 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details

Cabinets for ATX boards

Cabinets whose specifications list ATX motherboard support.

All 10 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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Pairs with

GIGABYTE B660 GAMING X DDR4 1 / 3