Pro B860-P
The MSI Pro B860-P is a ATX LGA1851 motherboard on the B860 chipset. It supports DDR5 memory up to 8,800 MT/s and 3 M.2 slots. Full specs, power delivery, and current prices are below.
Prices update regularly and may differ at the retailer. This page contains affiliate links.
MaxMyBuild scores
How we score →How well the Pro B860-Pis equipped for gaming and for productivity, scored 0–100 from its specs. Scores are fit-for-purpose: a capable board can top the gaming score without being the most expensive.
Weighs CPU power delivery, memory speed support, the GPU PCIe slot, Wi-Fi version, and M.2 storage — the things that actually matter for a gaming build.
Rewards fast, plentiful M.2 storage and USB I/O, PCIe expansion, memory capacity and slots — what matters for content creation and heavy multitasking.
Max CPU power
225 W
The Pro B860-P can reliably power a CPU drawing up to about 225 W from its 2x6+1+1+1 power-stage (VRM) layout. That’s the number that decides whether a board can run a power-hungry chip at full boost without throttling — comfortable for mainstream and most high-end CPUs.
Specifications
Platform
- Chipset
- B860
- Socket
- LGA1851
- Form factor
- ATX
- MSRP
- $9,999.00
Memory
- Type
- DDR5
- Slots
- 4
- Max speed
- 8,800 MT/s
- Max capacity
- 256 GB
- Channels
- 2-channel
- ECC / memory
- UDIMM, CUDIMM
Power & VRM
- Max CPU power
- 225 W
- Phase config
- 2x6+1+1+1
- VRM stages
- P-pak
- EPS power
- 8+4
- VRM heatsink
- Full coverage
Storage & Expansion
- M.2 slots
- 3
- M.2 layout
- 1× PCIe 5.0 ×4, 1× PCIe 4.0 ×4, 1× PCIe 4.0 ×2
- M.2 heatsinks
- Slots 1
- SATA ports
- 4 SATA3
- PCIe ×16 slots
- 1× PCIe 5.0 ×16, 2× PCIe 4.0 ×1, 1× PCIe 4.0 ×4
Ethernet & Wi-Fi
- Realtek RTL8126
- 5 GbE
- Ethernet ports
- 1
- Wi-Fi
- None
USB & I/O
- Rear USB-A
- 4× USB 2.0, 2× 5 Gbps, 2× 10 Gbps
- Rear USB-C
- 1× USB4 40 Gbps
- Front USB-C
- 1× 10Gbps
- Front USB 3 headers
- 2
- Front USB 2 headers
- 2
- Thunderbolt header
- Yes
Audio & Video
- Audio codec
- ALC897
- Audio jacks
- 3
- HDMI
- HDMI 2.1
- DisplayPort
- DP 1.4
- USB-C video
- DP 2.1
Cooling, RGB & Design
- Fan headers
- 6
- 12V RGB headers
- 1
- 5V ARGB headers
- 3
- PCB colour
- Black, Light Grey
- Heatsink colour
- Silver
Onboard & Diagnostics
- Diagnostics
- Debug LEDs
- Onboard buttons
- Clear CMOS
- TPM header
- Yes
- Aux PCIe power
- 1 8-pin
Compare the Pro B860-P against every other board on the motherboard comparison table. Not sure it fits your chip? The socket compatibility guide explains LGA1851 pairings.
Where to buy the Pro B860-P
Every in-stock retailer offer we track, cheapest first.
| Retailer | Availability | Price | Buy |
|---|---|---|---|
| Amazon | — | See on Amazon |  |
The Pro B860-P starts from $199.99 across 1 retailer (No onboard Wi-Fi). Prices update daily from live stock.
Which CPUs fit the Pro B860-P?
Compare all CPUs →In-stock LGA1851 processors this board can run — socket-matched and within its 225 W VRM budget, ranked by gaming value (performance per dollar).
| Processor | Cores | Gaming | From | |
|---|---|---|---|---|
 | Core Ultra 5 225F Intel | 10/10 | 62.5 | $154.00 |
 | Core Ultra 5 245K Intel | 14/14 | 67.1 | $179.99 |
 | Core Ultra 5 250KF Plus Intel | 18/18 | 73.3 | $199.95 |
 | Core Ultra 5 225 Intel | 10/10 | 62.5 | $178.00 |
 | Core Ultra 5 245KF Intel | 14/14 | 67.1 | $199.00 |
 | Core Ultra 5 250K Plus Intel | 18/18 | 73.3 | $219.99 |
 | Core Ultra 7 270K Plus Intel | 24/24 | 77.5 | $308.00 |
 | Core Ultra 265KF Intel | 20/20 | 70.3 | $292.00 |
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