Gigabyte B660 DS3H AX DDR4 Motherboard, Intel Socket 1700, 12th Gen, ATX, Digital VRM, MOS Heatsink, 2 x PCIe 4.0 M.2, Gaming LA

Supports 12th Gen Intel Core Series Processors
Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs
8+2+1 Phases Hybrid Digital VRM with MOS Heatsink
WIFI 6 802.11ax 2T2R & BT5 with AERO Antenna
GIGABYTE Gaming LAN with Bandwidth Management
Dual Ultra-Fast NVMe PCIe 4.0 x4 M.2
Rear SuperSpeed USB 3.2 Gen 2x2 TYPE-C delivers up to 20Gb/s transfer speeds
High Quality Audio Capacitors and Audio Noise Guard
RGB FUSION 2.0 supports Addressable LED & RGB LED Strips
Smart Fan 6 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP
Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card

8+2+1 Phases Hybrid Power Design
Cleaner and more efficient power delivery to the CPU with better thermal performance ensure stability under high CPU frequencies and heavy loading.
8+2+1 Phases Low RDS(on) MOSFETs
Solid capacitors to improve transient response and minimize oscillation
8-pin Solid Pin CPU Power Connector

Support for DDR4 XMP Up to 5333MHz and Beyond
GIGABYTE is offering a tested and proven platform that ensures proper compatibility with profiles up to 5333MHz and beyond. All users need to do to attain this performance boost is to ensure that their memory module is XMP capable and that the XMP function is activated and enabled on their GIGABYTE motherboard.

Q-Flash Plus
Update the BIOS easily without installing the CPU, memory and graphics card.
With GIGABYTE Q-Flash Plus, you don’t need to install the CPU, memory and graphics card nor enter the BIOS menu to flash the BIOS. Just download and save a new BIOS file (rename to gigabyte.bin) on the USB flash drive, then press the dedicated Q-Flash Plus button and you’re good to go!

RGB FUSION 2.0
B660 motherboards feature RGB FUSION 2.0 to offer lighting effected options and customized settings with outstanding aesthetics, and able to let enthusiasts building a stylish and unique gaming PC.

Specifications

CPU
LGA1700 socket: Support for 12th Generation Intel Core, Pentium Gold and Celeron Processors
L3 cache varies with CPU

Chipset
Intel B660 Express Chipset

Memory
Support for DDR4 5333(O.C.)/ DDR4 5133(O.C.)/DDR4 5000(O.C.)/4933(O.C.)/4800(O.C.)/ 4700(O.C.)/ 4600(O.C.)/ 4500(O.C.)/ 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

Onboard Graphics
Integrated Graphics Processor-Intel HD Graphics support:
1 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

Audio
Realtek Audio CODEC
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF Out
* 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.

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

Wireless Communication Module
AMD Wi-Fi 6E RZ608 (MT7921K)
WIFI a, b, g, n, ac, ax, supporting 2.4/5/6 GHz carrier frequency bands
BLUETOOTH 5.2
Support for 11ax 80MHz wireless standard and up to 1.2 Gbps data rate

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.)
4 x PCI Express x16 slots, running at x1 (PCIEX1_1, PCIEX1_3~PCIEX1_5)
(The PCIEX4 and PCIEX1 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 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 connector supported by the Chipset.

USB
Chipset:
1 x USB Type-C port on the back panel, with USB 3.2 Gen 2x2 support
1 x USB Type-C port with USB 3.2 Gen 1 support, available through the internal USB header
1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
2 x USB 3.2 Gen 1 ports available through the internal USB header
4 x USB 2.0/1.1 ports on the back panel
Chipset+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 connector
1 x 8-pin ATX 12V power connector
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
2 x M.2 Socket 3 connectors
4 x SATA 6Gb/s connectors
1 x front panel header
1 x front panel audio header
1 x USB Type-C header, with USB 3.2 Gen 1 support
1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
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 Q-Flash Plus button
1 x reset button
1 x reset jumper
1 x Clear CMOS jumper

Back Panel Connectors
1 x PS/2 keyboard/mouse port
2 x SMA antenna connectors (2T2R)
1 x USB Type-C port, with USB 3.2 Gen 2x2 support
1 x USB 3.2 Gen 2 Type-A port (red)
4 x USB 2.0/1.1 ports
1 x HDMI port
1 x DisplayPort
1 x RJ-45 port
3 x audio jacks

I/O Controller
iTE I/O Controller Chip

Hardware Monitoring
Voltage detection
Temperature detection
Fan speed detection
Water cooling flow rate detection
Fan fail warning
Fan speed control

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

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

Bundled Software
Norton Internet Security (OEM version)
LAN bandwidth management software

Operating System
Support for Windows 11 64-bit
Support for Windows 10 64-bit

Form Factor
ATX Form Factor; 30.5cm x 24.4cm