





MSI PRO B860-P LGA1851
- CPU socket
- LGA 1851
- Chipset (MB)
- Intel B860 MB
- Form factor
- ATX
- Supported memory
- DDR5
- Number of memory slots
- 4
Description
MSI PRO B860-P is an ATX motherboard for the new LGA 1851 socket and is aimed at stable mid-range to serious productivity and gaming configurations. It is based on the Intel B860 chipset, which means a balanced combination of features and price, without unnecessary "bling" extras. You get a modern platform with DDR5 support, fast M.2 slots up to PCIe 5.0, and enough expansion slots for future upgrades. The focus here is practicality: strong connectivity, decent audio, and a serious set of USB ports, including USB Type-C 40Gbps.
What you get
The LGA 1851 socket allows you to use the new generation of Intel Core Ultra processors, which is a good foundation for a long-term build. The memory is DDR5 with up to 4 slots and a total capacity of up to 256 GB, with the motherboard supporting frequencies up to 8600 MHz (O.C.) and dual-channel mode for higher bandwidth – important for rendering, multitasking, and heavy gaming. With 3x M.2 slots, one directly from the CPU with PCIe 5.0 x4, you can install a super-fast system NVMe for OS and another 1–2 drives for games and projects, without relying solely on SATA. The built-in Realtek ALC897 7.1-Channel audio is sufficient for normal gaming and multimedia use, while Realtek 8126 5Gbps LAN gives you higher network speed than standard 1Gbps LAN – ideal if you have a faster internal network or NAS.
- LGA 1851 socket with support for Intel Core Ultra processors, which guarantees you an up-to-date platform for the new generation of Intel CPUs.
- Support for DDR5 memory with up to 4 slots and a total of up to 256 GB, so you can transition from a typical gaming build to a heavy productivity machine without changing the motherboard.
- Capability for RAM frequencies up to 8600 MHz (O.C.) in dual-channel mode for maximum bandwidth in gaming, streaming, and professional applications.
- 3x M.2 slots: one from the CPU with PCIe 5.0 x4 for your fastest NVMe and two from the chipset with PCIe 4.0 x4 / SATA support and various lengths (up to 22110), giving you flexibility for multiple SSDs.
- 4 x SATA3 6.0 Gb/s with support for RAID 0, 1, 5, 10, which is convenient for large storage arrays, backups, or work projects.
- 4 x PCI-E x16 slots, with the main one being PCIe 5.0 x16 from the CPU for modern GPUs, while the other PCIe 4.0 slots provide space for additional cards – capture, RAID, network.
- Very rich connectivity: a total of multiple USB, including USB 10Gbps Type-A, USB 10Gbps Type-C (Front), and USB 40Gbps Type-C (Rear) for fast external drives, docking stations, and modern peripherals.
- Realtek 8126 5Gbps LAN provides higher network performance than standard gigabit LAN, useful for large transfers to NAS or local servers.
- Built-in Realtek ALC897 7.1-Channel High Definition Audio for clear sound in games and movies without the need for a separate sound card in most cases.
Who it is suitable for
This motherboard is suitable for gamers and enthusiasts who want an up-to-date Intel platform with DDR5, PCIe 5.0, and plenty of M.2, without paying for unnecessary RGB and Wi-Fi extras. It will also work seriously for workstations – programming, 3D, video editing, especially if you rely on fast NVMe drives and plenty of RAM. If you are looking for built-in Wi-Fi/Bluetooth or super high-end audio, you should rather look at a higher-class model, but for a solid, reasonable build, this is a very logical choice.
The most sensible thing here is the combination of LGA 1851, high-frequency DDR5, PCIe 5.0 for GPU and NVMe, plus 5Gbps LAN and 40Gbps USB-C – a board that can easily serve as a foundation for several consecutive upgrades.
Full specifications
- Manufacturer
-
MSI
- CPU socket
-
LGA 1851
- Chipset (MB)
- Intel B860
- Form factor
- ATX
- Supported processors
-
LGA1851 socket: Support for Intel Core Ultra Processors
- Supported memory
-
DDR5
- Number of memory slots
- 4
- Maximum RAM capacity
- 256 GB
- Memory frequency (MHz)
-
up to 8600MHz (O.C.)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Realtek ALC897 Codec7.1-Channel High Definition Audio
- Built-in Wi-Fi
-
No
- Bluetooth version
- No
- Built-in LAN
-
Realtek 8126 5Gbps LAN
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0, 1, 5, 10
- M2 slot
-
3x M.2M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280 devicesM.2_2 Source (From Chipset) supports up to PCIe 4.0 x4 / SATA mode, supports 22110/2280/2260 devicesM.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 / SATA mode, supports 2280/2260/2242 devices
- Expansion slots
-
4 x PCI-E x16 slotPCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)PCI_E2 Gen PCIe 4.0 supports up to x1 (From Chipset)PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)PCI_E4 Gen PCIe 4.0 supports up to x1 (From Chipset)
- Power connector
-
1 x 24-pin1 x 8-pin1 x 4-pin
- Processor generation
-
2nd generation Intel Ultra
- Warranty
- 36 months
- OS
-
Support for Windows 10 and 11 64-bit
- USB ports
-
4x USB 2.0 (Rear)4x USB 2.0 (Front)2x USB 5Gbps Type A (Rear)4x USB 5Gbps Type A (Front)2x USB 10Gbps Type A (Rear)1x USB 10Gbps Type C (Front)1x USB 40Gbps Type C (Rear)
- Rear I/O panel
-
DisplayPortUSB 2.0USB 5Gbps Type-A5G LANAudio ConnectorsHDMI™Thunderbolt™ 4 40Gbps (Type-C)USB 10Gbps Type-AClear CMOS Button
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