MSI B850 Gaming Plus WiFi: Number of M.2 Slots Guide
The MSI B850 Gaming Plus WiFi motherboard is a powerhouse for 2026 gaming rigs, boasting advanced features like PCIe 5.0 and robust VRM cooling. A key spec gamers obsess over is the number of M.2 slots, which directly impacts storage expansion. This guide details exactly how many M.2 slots it offers, their speeds, compatibility, and setup tips for optimal performance.
Released for next-gen Intel CPUs, this board supports up to 192GB DDR5 RAM and includes WiFi 7. We'll break down M.2 configurations, BIOS tweaks, and real-world benchmarks to help you build the ultimate storage array in 2026.
Total Number of M.2 Slots on MSI B850
The MSI B850 Gaming Plus WiFi features 4 M.2 slots. Step 1: Identify slots (2x PCIe 5.0 x4, 2x PCIe 4.0 x4). Step 2: Check manual for CPU-dependent lanes. This setup allows RAID 0/1/10 for blazing NVMe speeds.
- Slot 1: PCIe 5.0 up to 16GB/s
- Slot 2: PCIe 5.0 shared with GPU
Step-by-Step M.2 Installation Guide
Install hassle-free: 1. Power off PC. 2. Remove cooler. 3. Insert SSD at 30-degree angle. 4. Secure with screw. 5. Boot to BIOS for enabling.
- Tip: Use included heatsinks
- Warning: Avoid slot sharing conflicts
Performance Tips for All 4 Slots
Maximize throughput: 1. Assign boot drive to Slot 1. 2. Update BIOS to 2026 version. 3. Enable Resizable BAR. Benchmarks show 14GB/s reads.
- Best SSDs: Samsung 990 Pro
- Cooling: Active heatsink mod
Comparing M.2 Slots to Competitors
Vs. ASUS: MSI offers more slots (4 vs 3). Steps to compare: 1. Check QVL list. 2. Test bandwidth.
- Advantage: WiFi 7 integration
- Drawback: No Thunderbolt
BIOS Configuration for M.2 Optimization
Tweak settings: 1. Enter BIOS (Del key). 2. Set PCIe modes. 3. Save and exit. 2026 firmware adds auto-detect.
- Feature: XMP for RAM synergy
- Troubleshoot: Reset CMOS