ASUS PRIME B660M-A D4-CSM

CPU
Intel® Socket LGA1700 for 13th Gen Intel® Core™ & 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.
Chipset
Intel® B660 Chipset
Memory
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).
Graphics
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.
Expansion Slots
Intel® 13th & 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
Storage
Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
Intel® 13th & 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.
Ethernet
1 x Intel® 1Gb Ethernet
ASUS LANGuard
USB
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
Audio
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
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
Internal I/O Connectors
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
Special Features
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
Software Features
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
BIOS
128 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories
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
Operating System
Windows® 11, Windows® 10 64-bit
Form Factor
microATX
24.4cm x 24.4cm