Asus Prime B660M-K D4 Motherboard, Intel B660 (LGA 1700) mATX motherboard with PCIe 4.0, two M.2 slots, DDR4, HDMI

Technical Specification

CPU
Intel® Socket LGA1700 for 12th Gen Intel® Core?, Pentium® Gold and Celeron® Processors
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.

Memory
2x DIMM, Max. 64GB, 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
Supports Intel® Extreme Memory Profile (XMP)
* Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list.

Graphics
1 x D-Sub port
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 HDMI® 2.1.

Expansion Slots
Intel® 12th Gen Processors
1 x PCIe 4.0/3.0 x16 slot

Intel® B660 Chipset
2 x PCIe 3.0 x1 slots

Storage
Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
Total supports 2 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
- 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 x4)
4 x SATA 6Gb/s ports
* Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.
** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots.

Ethernet
1 x Realtek 1Gb Ethernet
USB
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A?

Front USB:Total 6 ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports

Audio
ALC887/897
Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback"

Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Back Panel I/O Ports
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x D-Sub port
1 x HDMI® port
1 x Realtek 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo port

Internal I/O Connectors
Fan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin Chassis Fan header

Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector

Storage related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports

USB
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 port

Miscellaneous
1 x RGB header
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x Speaker header
1 x SPI TPM header (14-1pin)
1 x 10-1 pin System Panel header