Asus Prime B660M-A D4

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**

** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.

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*

1 x DisplayPort**

2 x HDMI® ports***

* Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.

** Supports max. 4K@60Hz as specified in DisplayPort 1.4.

***Supports 4K@60Hz as specified in HDMI 2.1.

Intel® 12th Gen Processors

1 x PCIe 4.0/3.0 x16 slot

Intel® B660 Chipset *

1 x PCIe 3.0 x16 slot (supports x4 mode)

1 x PCIe 3.0 x16 slot (supports x1 mode)

*Supports Intel® Optane Memory H Series on PCH-attached PCIe slot

Total supports 2 x M.2 slots and 4x 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 mode)*

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.

Rear USB (Total 6 ports)

2 x USB 3.2 Gen 2 ports (2 x Type-A )

4 x USB 2.0 ports (4 x Type-A)

Front USB (Total 10 ports)

2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports

1 x USB 3.2 Gen 1 connector (supports USB Type-C®)

2 x USB 2.0 headers support additional 4 USB 2.0 ports

1 x USB 2.0 header support 1 USB 2.0 port

ALC897

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.

2 x USB 3.2 Gen 2 ports (2 x Type-A )

4 x USB 2.0 ports (4 x Type-A)

1 x DisplayPort

2 x HDMI® ports

1 x Intel® 1Gb Ethernet port

3 x Audio jacks

1 x PS/2 Keyboard/Mouse combo port

Fan and Cooling related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

2 x 4-pin Chassis Fan headers

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

2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports

1 x USB 3.2 Gen 1 connector (supports USB Type-C®)

2 x USB 2.0 headers support additional 4 USB 2.0 ports

1 x USB 2.0 header supports 1 USB 2.0 port

Miscellaneous

3 x AURA Addressable Gen 2 headers

1 x AURA RGB header

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x LPT header

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

ASUS 5X PROTECTION III

- DIGI+ VRM

- Enhanced DRAM Overcurrent Protection

- ESD Guards

- LANGuard

- Overvoltage Protection

- SafeSlot Core+

- Stainless-Steel Back I/O

ASUS Q-Design

- Q-DIMM

- Q-Slot

ASUS Thermal Solution

- M.2 heatsink

- VRM heatsink design

ASUS EZ DIY

- ProCool

AURA Sync

- AURA RGB header

- Addressable Gen 2 RGB headers

ASUS Exclusive Software

Armoury Crate

- AURA Creator

- AURA Sync

- Fan Xpert 2+

AI Suite 3

- Performance And Power Saving Utility

TurboV EVO

EPU

Digi+ VRM

ASUS CPU-Z

Norton Anti-virus software (Free Trial version)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x I/O Shield

1 x M.2 Rubber Package

1 x M.2 SSD screw package

Installation Media

1 x Support DVD

Documentation

1 x User manual

microATX

24.4cm x 24.4cm