PRIME B660M-A D4-CSM

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.

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

Supports Intel® Extreme Memory Profile (XMP)

OptiMem II

*Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

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^® Core™ Processors (14^th & 13^th & 12^th Gen)*

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

M.2_1 slot (Key M), type 2242/2260/2280

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.

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

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

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

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

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

2 x 4-pin Chassis Fan headers

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

2 x M.2 slots (Key M)

4 x SATA 6Gb/s 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 supports 1 USB 2.0 port

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

- DIGI+ VRM

- Enhanced DRAM Overcurrent Protection

- ESD Guards

- LANGuard

- Overvoltage Protection

- SafeSlot Core+

- Stainless-Steel Back I/O

- Q-DIMM

- Q-Slot

- M.2 heatsink

- VRM heatsink design

- ProCool

- AURA RGB header

- Addressable Gen 2 RGB headers

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

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

2 x SATA 6Gb/s cables

1 x I/O Shield

1 x M.2 Rubber Package

1 x M.2 SSD screw package

1 x Support DVD

1 x User manual