ASUS TUF B850M-Plus WiFi M.2 Slots: Full Specs List

The ASUS TUF B850M-Plus WiFi motherboard shines in 2026 with superior M.2 slot configuration, supporting PCIe 5.0 speeds for ultimate storage performance. Ideal for gamers and creators, its robust design handles multiple NVMe drives effortlessly.

This list details every M.2 slot, capacities, speeds, and compatibility, helping you build the perfect rig.

Primary M.2 Slot (M.2_1)

Flagship slot for OS boot drive with top-tier bandwidth.

  • PCIe 5.0 x4
  • Up to 2280/22110 sizes
  • 14,000 MB/s read speeds

Secondary M.2 Slot (M.2_2)

High-speed option for games or apps, RAID capable.

  • PCIe 4.0 x4
  • Supports 2280/2242
  • Cooling heatsink included

Additional M.2 Slot (M.2_3)

Versatile for extra SSDs, shares bandwidth wisely.

  • PCIe 4.0 x2 / SATA
  • 2280 size only
  • Ideal for backups

M.2 Features and Compatibility

Board-wide perks enhance all slots.

  • Dissipator fins for thermals
  • Q-Latch for easy install
  • Intel RST RAID 0/1/5

Expansion and BIOS Tweaks

Maximize slots via settings.

  • BIOS PCIe lane allocation
  • Overclock support for drives
  • WiFi 7 integration unaffected

Compared to Competitors

Outperforms rivals in slot count and speed.

  • 3 slots vs 2 on Gigabyte
  • Native PCIe 5.0 ready
  • TUF durability certified

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