Crucial P1 [xxxGB] 3D NAND NVMe PCIe M.2 SSD, 1TB. For your high productivity workforce that requires more storage and demands better performance, the Crucial P1 SSD delivers. Capacities start at 500GB and scale to 2TB. Accelerate performance with the latest NVMe PCIe technology. The P1 is designed to be one of the most beneficial upgrades for business computers -- storage, speed, and dependability.