Capacity 750 GB, Form Factor U.2 15mm, PCI-Express NVMe 3.0 x4, 3D XPoint, Read - 10 µs; Write - 10 µs, Operating 2.17 GRMS, Active 18 W, Idle 6 W. Delivering amazing combination of low latency, ultra endurance, high QoS, and high throughput, the Intel Optane DC P4800X series is the extremely responsive data center hard drive.