SanDisk Professional 4TB PROG40 SSD Up to 3000MBs Thunderbolt 3 40Gbps USBC 10Gbps IP68 dustWater Resistance External Solid State Drive SDPS31H004TGBCND

Super-fast speeds up to 3000MB/s(1) read and 2500MB/s(1) write with Thunderbolt 3 (40Gbps), capable of moving 50GB in 1 minute 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 3m drop resistance (On a carpeted concrete floor.), 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, Drive Format: Mac ready (APFS)