Brand ASUS
Model ROG STRIX B660-A GAMING WIFI D4

CPU Support
Intel® Socket LGA1700 for 12th Gen Intel®Core™, Pentium® Gold and Celeron® Processors*
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0**
* Refer to www.asus.com for CPU support list.
** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.

Socket 1700

Chipset Intel B660

Memory Support
4 x DIMM, Max. 128GB, DDR4 5333(OC) /5000(OC)/4800(OC)/4600(OC)/4400(OC)/4266(OC)/4000(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 Non-ECC, Un-buffered Memory*
Dual Channel Memory Architecture
OptiMem II
*Actual Memory frequency support depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Graphics
1 x DisplayPort**
1 x HDMI® port***
*Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.
** Support 4K@60Hz as specified in DisplayPort 1.4.
***Support 4K@60Hz as specified in HDMI 2.1.
**** VGA resolution support depends on processors' or graphic cards' resolution.

Multi Graphic Support None

Audio
ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Premium audio capacitors
- Audio cover
* Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 7.1 Surround Sound audio.
** A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Expansion Slots
Intel® 12th Gen Processors
1 x PCIe 5.0/4.0/3.0 x16 slot(s)*
Intel® B660 Chipset**
1 x PCIe 3.0 x16 slot (supports x4 mode)*
2 x PCIe 3.0 x1 slots
* Please check PCIe bifurcation table in User Guide Chapter 1 // support site.
** Supports Intel® Optane Memory H Series on PCH-attached PCIe slot

Storage
Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports*
Intel® 12th Gen Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110
- Intel® 12th Gen processors support PCIe 4.0 x4 mode.
Intel® B660 Chipset
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 mode)
M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
4 x SATA 6Gb/s ports***
* Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.

USB
Rear USB (Total 9 ports)
1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®)
1 x USB 3.2 Gen 2 port(s) (1 x Type-A)
3 x USB 3.2 Gen 1 port(s) (2 x Type-A + 1 x USB Type-C®)
4 x USB 2.0 port(s) (4 x Type-A)
Front USB (Total 6 ports)
1 x USB 3.2 Gen 2 connector (supports USB Type-C®)
1 x USB 3.2 Gen 1 header(s) support(s) additional 2 USB 3.2 Gen 1 ports
1 x USB 2.0 10-1 pin header + 1 USB 2.0 4 pin hearer support additional 3 USB 2.0 ports

Internal I/O Connectors
Fan and Cooling related
1 x 4-pin CPU Fan header(s)
1 x 4-pin CPU OPT Fan header(s)
1 x 4-pin AIO Pump header(s)
3 x 4-pin Chassis Fan header(s)
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
1 x 4-pin +12V Power connector
Storage related
3 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 2 connector (support USB Type-C®)
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
1 x USB 2.0 10-1pin header + 1 USB 2.0 4pin header support additional 3 USB 2.0 ports
Miscellaneous
3 x Addressable Gen 2 headers
1 x AURA RGB header
1 x Clear CMOS header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x SPI TPM header (14-1pin)
1 x 20-3 pin System Panel header with Chassis intrude function
1 x Thunderbolt™ header

Back Panel Connectors
1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®)
1 x USB 3.2 Gen 2 port(s) (1 x Type-A)
3 x USB 3.2 Gen 1 port(s) (2 x Type-A + 1 x USB Type-C®)
4 x USB 2.0 port(s) (4 x Type-A)
1 x DisplayPort
1 x HDMI® port
1 x Wi-Fi Module
1 x Intel® 2.5Gb Ethernet port
5 x Audio jacks
1 x BIOS FlashBack™ button

LAN
1 x Intel® 2.5Gb Ethernet
ASUS LANGuard

Wireless Data Network
Wi-Fi 6
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Supports 2.4/5GHz frequency band
Bluetooth v5.2

Form Factor
ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

H/W MONITORING
N/A

BIOS
192 Mb Flash ROM, UEFI AMI BIOS

Special Features
Extreme Engine Digi+
-5K Black Metallic Capacitors
ASUS Q-Design
- M.2 Q-Latch
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- CPU Socket lever protector
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
AURA Sync
- AURA RGB header(s)
- Addressable Gen 2 header(s)

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