Super-fast speeds up to 2700MB/s read and 1900MB/s write with Thunderbolt 3 (40Gbps), capable of moving 50GB in 30 seconds or less Dual-mode compatibility with both Thunderbolt 3 (40Gbps) and USB-C (10Gbps) Ultra-rugged design with high-level IP68 dust/water resistance, 4000lb. crush resistance, and up to 3m drop resistance Cool aluminum core pulls heat away from the internal drive to help maintain super-fast transfer speeds Pro-grade enclosure for premium strength you can feel