ASUS PRIME B860-PLUS-CSM ATX Motherboard
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About This Item
- Supports Intel Core Ultra (Series 2) processors via LGA 1851 socket
- Three M.2 slots for high-speed storage expansion
- 256 GB maximum memory with DDR5 support up to 8666 MHz
- 7.1 channel audio output with comprehensive connectivity options
- 2.5 Gigabit Ethernet and Intel B860 chipset for reliable performance
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ASUS PRIME B860-PLUS-CSM | Intel B860 ATX Motherboard
The ASUS PRIME B860-PLUS-CSM Intel B860 LGA 1851 (Socket V1) ATX motherboard delivers robust performance for Intel Core Ultra Processors (Series 2). Designed with a comprehensive cooling solution and intelligent tuning options, this ATX motherboard supports DDR5 memory and advanced storage configurations for demanding PC builds.
Key Specifications
| Metric | Spec |
|---|---|
| Processor Socket | LGA 1851 (Socket V1) |
| Memory Support | DDR5-SDRAM, up to 256 GB |
| Storage | 3 M.2 slots, 4 SATA III |
| Ethernet | 2.5 Gigabit Ethernet |
| Form Factor | ATX |
Advanced AI PC-Ready Performance
The ASUS PRIME B860-PLUS-CSM is engineered for Advanced AI PC applications, providing the power and connectivity needed for demanding workloads. With support for Intel Core Ultra Processors (Series 2), this motherboard delivers exceptional processing capabilities for both gaming and professional applications. The comprehensive cooling system ensures stable performance during intensive tasks, while the robust power design maintains consistent power delivery to all components.
Comprehensive Connectivity Options
This motherboard offers extensive connectivity options including multiple USB ports, HDMI, DisplayPort, and high-speed networking capabilities. With 1 USB 3.2 Gen 2×2 Type-C port, 2 USB 3.2 Gen 2 Type-A ports, and 2 USB 2.0 ports, you’ll have plenty of options for connecting peripherals. The 2.5 Gigabit Ethernet provides reliable wired networking, though Wi-Fi is not included. For storage, you get 3 M.2 slots and 4 SATA III connectors, supporting both HDD and SSD configurations.
Advanced Storage and Memory Configuration
Supporting DDR5-SDRAM memory with speeds up to 8666 MHz, this motherboard enables high-performance computing tasks. The dual-channel memory architecture maximizes bandwidth for demanding applications. Storage options include RAID 0, 1, 5, and 10 configurations, providing flexibility for both performance and data redundancy. With support for up to 7 storage drives total, you can build comprehensive storage solutions for your PC build.
Robust Power Delivery System
The PRIME B860-PLUS-CSM features a robust power design with a 12V power connector and EPS 8-pin connector, ensuring stable power delivery to your CPU and components. This power architecture is particularly beneficial when using high-performance Intel Core Ultra Processors, as it maintains consistent voltage levels during heavy workloads. The motherboard’s thermal design works in conjunction with the power delivery system to prevent thermal throttling during extended use.
Box Contents
- ASUS PRIME B860-PLUS-CSM motherboard
- I/O shield
- User manual
- SATA cables (quantity not specified)
- M.2 screws and standoff (quantity not specified)
Check before you buy
- Confirm your CPU is compatible with LGA 1851 (Socket V1)
- Verify your case supports ATX form factor dimensions
- Check if your power supply has the required 24-pin ATX and 8-pin EPS connectors
- Ensure you have DDR5 memory modules for optimal performance
Frequently Asked Questions
Q: What processors are compatible with this motherboard?
A: This motherboard supports Intel Core Ultra Processors (Series 2) with LGA 1851 socket.
Q: Does this motherboard support Wi-Fi?
A: No, this model does not include built-in Wi-Fi. You’ll need a separate Wi-Fi adapter or use the Ethernet connection.
Q: How many M.2 drives can I install?
A: You can install up to 3 M.2 drives on this motherboard.
Q: What is the maximum memory capacity?
A: The motherboard supports up to 256 GB of DDR5 memory across 4 DIMM slots.
Q: Does it support RGB lighting?
A: Yes, it includes RGB LED pin headers for custom lighting configurations.
The Consultant’s verdict & warranty
The ASUS PRIME B860-PLUS-CSM Intel B860 LGA 1851 (Socket V1) ATX motherboard represents excellent value for users building Advanced AI PC systems or high-performance workstations. Its combination of DDR5 support, extensive storage options, and robust power delivery makes it suitable for demanding applications. Covered by the standard Manufacturer Warranty, this motherboard offers reliability and performance for both enthusiasts and professional users.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 3 |
| Thunderbolt headers | 1 |
| 12V power connector | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 4 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Technical details | |
| Motherboard chipset family | Intel |
| Motherboard chipset | Intel B860 |
| Parallel processing technology support | Not supported |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | Intel |
| Motherboard chipset | Intel B860 |
| RAID levels | 0, 1, 5, 10 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | Intel |
| Compatible processor series | Intel Core Ultra (Series 2) |
| Processor socket | LGA 1851 (Socket V1) |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed (max) | 8666 MHz |
| ECC сompatibility | Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 0, 1, 5, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Rear panel I/O ports | |
| 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 2.0 ports quantity | 2 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 1 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 1 |
| Line-in | Yes |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | Intel |
| Motherboard chipset | Intel B860 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Product colour | Multicolour |
| Expansion slots | |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Packaging data | |
| Package width | 377 mm |
| Package depth | 372 mm |
| Package height | 302 mm |
| Package weight | 1.56 kg |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Weight & dimensions | |
| Height | 49 mm |
| Package width | 377 mm |
| Package depth | 372 mm |
| Package height | 302 mm |
| Package weight | 1.56 kg |
| Weight | 896 g |
| Width | 305 mm |
| Depth | 244 mm |
| Other features | |
| Height | 49 mm |
| Package width | 377 mm |
| Package depth | 372 mm |
| Package height | 302 mm |
| Package weight | 1.56 kg |
| Weight | 896 g |
| Identifiers | |
| Distributor SKUs | MBD-90MB1KA0-M0EAYC, 11508278, 543480, STD10225163, CL90MB1KA0-M0EAYC |

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