The Helix Dura is a high-performance NVMe-based SSD Enclosure. Add your preferred SSD for Speeds up to 980 MB/sec. The Helix Dura is an excellent choice for A/V professionals who require constant transfer speeds of large file libraries. The Helix Dura is universally compatible with all USB & Thunderbolt 3 ports and is plug-and-play ready for Mac & Windows. The shockproof heat-sink design features an aluminum body encased in a silicon rubber sleeve for protection and durability.