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Main image of GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

Alt view image 2 of 7 - GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

Alt view image 3 of 7 - GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

Alt view image 4 of 7 - GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

Alt view image 5 of 7 - GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

Alt view image 6 of 7 - GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

Alt view image 7 of 7 - GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

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GIGABYTE B660 GAMING X AX DDR4 B660 Intel LGA 1700 ATX Motherboard with DDR4, Triple M.2, PCIe 4.0, USB 3.2 Gen2 Type-C, WiFi 6E 802.11ax, 2.5GbE LAN

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Option: B660 GAMING X AX DDR4

B660 AORUS MASTER DDR4
B660M AORUS PRO AX DDR4
B660M DS3H DDR4
B660M GAMING X AX DDR4 rev. 1.1
B660M AORUS ELITE AX DDR4
B660I AORUS PRO DDR4
B660 GAMING X AX DDR4

Intel LGA 1700 Socket: Supports 12th Gen Intel Core Series Processors
DDR4 Compatible: Dual Channel DDR4, 4 DIMMs
Sturdy Power Design: 8+1+1 Phases Hybrid Digital VRM Design, Premium Choke and Capacitors, 8-pin Solid Pin CPU Power Connector
Comprehensive Thermal Design: Advanced Thermal Design, Fully Covered MOSFET Heatsinks, M.2 Thermal Guard
Next Gen Connectivity: PCIe 4.0, Dual NVME PCIe 4.0 x4 M.2, USB 3.2 Gen2 Type-C, HDMI 2.0,
Fast Networking: 2.5GbE LAN, WIFI 6 802.11ax
Dynamic Audio: High-End Audio Capacitors, Audio Noise Guard
Fine Tuning Features: RGB FUSION 2.0, Supports Addressable LED & RGB LED Strips, Smart Fan 6, Q-Flash Plus Update BIOS without installing, CPU, Memory, and GPU

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

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Model
Brand	GIGABYTE
Model	B660 GAMING X AX DDR4

Supported CPU
CPU Socket Type	LGA 1700
CPU Type	Supports 13th / 12th Gen Intel Core, Pentium Gold, Celeron Processors

Chipsets
Chipset	Intel B660

Onboard Video
Onboard Video Chipset	Supported only by CPU with integrated graphic

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4400(OC) / 4300(OC) /4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3666(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3300(OC) / 3200 / 3000 / 2933 / 2666 / 2400 / 2133
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 4.0 x16	1 x PCI Express 4.0 x16 * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
PCI Express 3.0 x16	2 x PCI Express 3.0 x16 * Running at x1 (PCIEX1_1, PCIEX1_2).

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	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)
Intel Optane Ready	Yes * System acceleration with Intel Optane Memory can only be enabled on the M.2 connectors supported by the Chipset.
SATA RAID	0/1/5/10

Onboard Audio
Audio Channels	7.1 Channels

Onboard LAN
Max LAN Speed	2.5Gbps
Wireless LAN	AMD Wi-Fi 6E RZ608 (MT7921K) WIFI a/b/g/n/ac/ax
Bluetooth	Bluetooth 5.2

Rear Panel Ports
Back I/O Ports	1 x USB 3.2 Gen 2 Type-A port (red) 2 x USB 3.2 Gen 1 ports 5 x USB 2.0/1.1 ports 1 x DisplayPort 1 x HDMI 2.0 port 1 x RJ-45 port 6 x audio jacks

Internal I/O Connectors
Onboard USB	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
Other Connectors	1 x CPU fan header 1 x water cooling CPU fan header 3 x system fan headers 1 x system fan/water cooling pump header 2 x addressable LED strip headers 2 x RGB LED strip headers 1 x front panel header 1 x front panel audio header 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 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.

Software Feature
Windows 11	Supported

Physical Spec
Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector

Additional Information
First Listed on Newegg	November 08, 2025

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Item#: 9SIC3DRKN79998