PRIME B660-PLUS D4

4 x DIMM, Max. 128GB, DDR4

5066(OC)/5000(OC)/4800(OC)/4600(OC)/4400(OC)/4266(OC)/4000(OC)/3866(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

*Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list.

1 x DisplayPort**

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.

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

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

**** VGA resolution support depends on processors' resolution.

1 x PCIe 4.0 x16 slot

1 x PCIe 3.0 x16 slot (supports x4 mode)

2 x PCIe 3.0 x1 slots

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

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

- Intel^® 12th Gen processors support PCIe 4.0 x4 mode.

M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)**

M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 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.

1 x USB 3.2 Gen 2x2 port (1 x USB Type-C^®)

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

1 x USB 3.2 Gen 1 port (1 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

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

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

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

- Power pre-regulator reduces power input noise to ensure consistent performance

- 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.

1 x USB 3.2 Gen 2x2 port (1 x USB Type-C^®)

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

1 x USB 3.2 Gen 1 port (1 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

1 x DisplayPort

1 x D-Sub port

1 x HDMI^® port

1 x Realtek 2.5Gb Ethernet port

3 x Audio jacks

1 x 4-pin CPU Fan header

1 x 4-pin AIO Pump header

3 x 4-pin Chassis Fan headers

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

3 x M.2 slots (Key M)

4 x SATA 6Gb/s ports

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

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

3 x Addressable Gen 2 headers

2 x AURA RGB headers

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x M.2 slot (Key E)

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

- DIGI+ VRM

- Enhanced DRAM Overcurrent Protection

- ESD Guards

- LANGuard

- Overvoltage Protection

- SafeSlot Core+

- Stainless-Steel Back I/O

- Q-DIMM

- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])

- Q-Slot

- M.2 heatsink

- VRM heatsink design

- AURA RGB headers

- Addressable Gen 2 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

2 x M.2 SSD screw packages

1 x M.2 Key E screw package

1 x Support DVD

1 x User guide