ASUS PRIME B860M-A-CSM
Specifications
Model
PRIME B860M-A-CSM
CPU
Support Intel® Core™ Ultra Processors (Series 2) , LGA1851
Chipset
Intel® B860 Chipset
Memory
4 x DIMM slots, max. 256GB, DDR5 
Supports up to 8666+MT/s (OC)
Graphics
2 x DisplayPort**
1 x HDMI™ port***
1 x USB 20Gbps port (USB Type-C®)
Storage
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*
Intel® Core™ Ultra Processors (Series 2) *
M.2_1 slot (Key M), type 2242/2260/2280
Ethernet
1 x Realtek 2.5Gb Ethernet
USB
Rear USB (Total 8 ports)
1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode)
1 x USB 10Gbps port (1 x Type-A )
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A
Front USB (Total 5 ports)
1 x USB 10Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
1 x USB 2.0 header supports 2 additional USB 2.0 ports
Audio
Realtek 7.1 Surround Sound High Definition Audio CODEC
Back Panel I/O Ports : 
1 x USB 20Gbps port (1 x USB Type-C® with DP Alt mode)
1 x USB 10Gbps port (1 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A )
2 x DisplayPort
1 x HDMI™ port
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
Internal I/O Connectors
Fan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
3 x 4-pin Chassis Fan headers
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
Storage Related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 10Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
1 x USB 2.0 header supports 2 additionalUSB 2.0 ports
Miscellaneous
3 x Addressable Gen 2 headers
1 x Aura RGB header
1 x Clear CMOS header
1 x Chassis Intrusion header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x S/PDIF Out header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin Front System Panel header
1 x Thunderbolt™ (USB4®) header