ASUS PRIME B860M-K mATX motherboard with LGA1851 and DDR5














ASUS PRIME B860M-K mATX motherboard with LGA1851 and DDR5

Modern platform with LGA1851 and Intel B860 chipset
Get a reliable base for current Intel processors. The B860 chipset brings broad compatibility, stability, and support for the latest technologies.

Fast DDR5 memory up to 8800 MHz and 128 GB capacity
Benefit from modern DDR5 — higher bandwidth, lower latency, and ample capacity for demanding applications, work, and gaming.

Flexible expansion: PCIe 4.0, 2× M.2, and RAID
One PCIe 4.0 x16 and two PCIe 4.0 x1 for add-in cards, two M.2 for blazing-fast SSDs, and four SATA 6 Gb/s with RAID for fast and secure data.
ASUS PRIME B860M-K combines quality engineering, the latest Intel B860 chipset, and DDR5 memory support for top-tier system responsiveness. With the LGA1851 socket, it’s ready for modern Intel processors and offers a balanced mix of performance, connectivity, and reliability in a compact microATX form factor.
For performance expansion, there is one PCIe 4.0 x16 slot for a graphics card and two PCIe 4.0 x1 slots for additional accessories. Storage scales easily via 2× M.2 and 4× SATA 6 Gb/s with RAID options for both speed and data protection. Support for up to 128 GB DDR5 with frequencies up to 8800 MHz ensures smooth multitasking and demanding workloads.
Main advantages:
- LGA1851 + Intel B860 — modern platform for current Intel processors.
- DDR5 up to 8800 MHz — high bandwidth and capacity up to 128 GB.
- PCIe 4.0 — fast interface for graphics and expansion cards.
- 2× M.2 + 4× SATA — flexible, fast storage with RAID support.
- mATX — compact dimensions without compromising on features.
Specifications
- Form factor
- microATX
- CPU socket
- LGA1851
- Chipset
- Intel B860
- Memory
- DDR5, up to 128 GB, frequencies up to 8800 MHz (OC)
- Expansion slots
- 1× PCIe 4.0 x16, 2× PCIe 4.0 x1
- Storage
- 2× M.2, 4× SATA 6 Gb/s, RAID support
- Graphics
- Integrated graphics support depends on CPU
- Connectivity
- Ports per motherboard configuration including USB; USB-C also provisioned
- Internal interfaces
- Headers for USB and other system connections
- Power
- ATX 24-pin and CPU 8-pin connectors (depending on model)
- Compatibility
- Modern Intel processors for the LGA1851 socket