Asus Prime B660M-A D4 M-ATX | Intel S1700

Intel^® Socket LGA1700 for 13^th Gen Intel^® Core™ Processors & 12^th 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.

Intel^® B660 Chipset

4 x DIMM, Max. 128GB, DDR4
5333(OC)/5066(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^® 13^th & 12^th 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^® 13^th & 12^th Gen Processors
M.2_1 slot (Key M), type 2242/2260/2280
– Intel^® 13^th & 12^th 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.

1 x Intel^® 1Gb Ethernet

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 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

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

128 Mb Flash ROM, UEFI AMI BIOS

WOL by PME, PXE

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

Windows^® 11 64-bit, Windows^® 10 64-bit

mATX Form Factor
9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )