ASUS PRIME B860M-A-CSM Intel B860 LGA 1851 (Socket V1) micro ATX
- Intel LGA 1851 (Socket V1) Intel Core Ultra (Series 2)
- PC micro ATX Intel B860 7.1 channels
- DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB
- HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 6
- BIOS type: UEFI AMI 256 Mbit
- 2.5 Gigabit Ethernet
PRIME B860M-A-CSM
ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
| Processor |
| Compatible processor series |
Intel Core Ultra (Series 2) |
| Processor socket |
LGA 1851 (Socket V1) |
| Processor manufacturer |
Intel |
| Memory |
| Unbuffered memory |
Yes |
| Maximum internal memory |
256 GB |
| Supported memory clock speed (max) |
8666 MHz |
| ECC сompatibility |
Non-ECC |
| Memory channels |
Dual-channel |
| Memory slots type |
DIMM |
| Number of memory slots |
4 |
| Supported memory types |
DDR5-SDRAM |
| Storage controllers |
| RAID levels |
0, 1, 5, 10 |
| RAID support |
Yes |
| Number of storage drives supported |
6 |
| Number of HDDs supported |
4 |
| Supported storage drive interfaces |
M.2, SATA III |
| Supported storage drive types |
HDD & SSD |
| Graphics |
| Parallel processing technology support |
Not supported |
| Internal I/O |
| Number of COM connectors |
1 |
| TPM connector |
Yes |
| Thunderbolt headers |
1 |
| 12V power connector |
Yes |
| EPS power connector (8-pin) |
Yes |
| Chassis intrusion connector |
Yes |
| Number of chassis fan connectors |
3 |
| Number of CPU fan connectors |
1 |
| CPU fan connector |
Yes |
| ATX Power connector (24-pin) |
Yes |
| Front panel audio connector |
Yes |
| S/PDIF out connector |
Yes |
| Number of SATA III connectors |
4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors |
1 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors |
1 |
| USB 2.0 connectors |
1 |
| Rear panel I/O ports |
| Microphone in |
Yes |
| Line-in |
Yes |
| DisplayPorts quantity |
2 |
| HDMI ports quantity |
1 |
| Ethernet LAN (RJ-45) ports |
1 |
| USB 3.2 Gen 2×2 Type-C ports quantity |
1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity |
1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
2 |
| USB 2.0 ports quantity |
4 |
| Network |
| Wi-Fi |
No |
| Ethernet interface type |
2.5 Gigabit Ethernet |
| Ethernet LAN |
Yes |
| Features |
| Windows operating systems supported |
Windows 10 x64, Windows 11 |
| Product colour |
Multicolour |
| Audio output channels |
7.1 channels |
| Motherboard chipset |
Intel B860 |
| Motherboard chipset family |
Intel |
| Motherboard form factor |
micro ATX |
| Component for |
PC |
| Expansion slots |
| PCI Express x16 (Gen 4.x) slots |
1 |
| PCI Express x1 (Gen 4.x) slots |
1 |
| BIOS |
| BIOS memory size |
256 Mbit |
| BIOS type |
UEFI AMI |
| Packaging data |
| Package weight |
1.36 kg |
| Package height |
67.5 mm |
| Package depth |
275 mm |
| Package width |
275 mm |
| Weight & dimensions |
| Height |
50 mm |
| Depth |
244 mm |
| Width |
244 mm |
| Other features |
| Weight |
815 g |
