ASUS PRIME B860M-A-CSM - LGA1851 Micro-ATX, DDR5, Up to 256GB, PCIe 4.0, 2.5Gb LAN, 7.1 Audio
Micro-ATX ASUS PRIME B860M-A-CSM, LGA1851 socket, DDR5 (4 DIMM) up to 256GB, PCIe 4.0 x16, M.2 + SATA III, 2.5Gb Ethernet, USB-C rear, 7.1 audio.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
| Motherboards - Socket | LGA 1851 (Socket V1) |
|---|---|
| Motherboards - Form Factor | Micro-ATX |
| Motherboards - Memory Type | DDR5 |
| Motherboards - Memory Slots | 4 |
| Motherboards - Max Memory Capacity | 256 GB |
| Motherboards - PCIe Version (primary GPU) | PCIe 4.0 |
| Motherboards - SATA Ports | 4 |
| Motherboards - USB-C | Rear Type-C |
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 manufacturer | Intel |
| Processor socket | LGA 1851 (Socket V1) |
| Compatible processor series | Intel Core Ultra (Series 2) |
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | Non-ECC |
| Supported memory clock speed (max) | 8666 MHz |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
| Parallel processing technology support | Not supported |
| USB 2.0 connectors | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 3 |
| Chassis intrusion connector | Yes |
| EPS power connector (8-pin) | Yes |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| Thunderbolt headers | 1 |
| 12V power connector | Yes |
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 2 |
| Line-in | Yes |
| Microphone in | Yes |
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | No |
| Motherboard chipset | Intel B860 |
| Audio output channels | 7.1 channels |
| Product colour | Multicolour |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | Intel |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| PCI Express x1 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.36 kg |
| Width | 244 mm |
| Depth | 244 mm |
| Height | 50 mm |
| Weight | 815 g |
User manual (pdf)
User manual (pdf)
Brochure ASUS 90MB1K00-M0EAYC (p
Brochure ASUS 90MB1K00-M0EAYC (p