ASUS PRIME B860-PLUS-CSM - LGA 1851 Socket V1 - DDR5, 4x DIMM, 256GB Max, ATX, AI-Ready
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LGA 1851 motherboard for Intel Core Ultra (Series 2) with Intel B860 chipset. ATX form factor, DDR5 up to 256GB (4 DIMMs), robust power, advanced cooling, AI-ready.
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Prime B860-PLUS-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 B860-PLUS-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 | 7 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
| Parallel processing technology support | Not supported |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| 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 | 4 |
| 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 |
| RGB LED pin header | Yes |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| 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 | ATX |
| Motherboard chipset family | Intel |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 3 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Package width | 377 mm |
| Package depth | 372 mm |
| Package height | 302 mm |
| Package weight | 1.56 kg |
| Width | 305 mm |
| Depth | 244 mm |
| Height | 49 mm |
| Weight | 896 g |
