SanDisk Professional 4TB G-DRIVE SSD, Ultra-Rugged, Shock, Dust and Water proof, Portable External NVMe SSD, Up to 1050MB/s, USB-C (10Gbps), USB 3.2 Gen 2

Ultra-rugged durability with IP67 water/dust resistance, up to 3M drop, and 2000lb crush resistance (IEC 60529 IP67: Based on internal testing. Tested to withstand immersion in water up to 1m for up to 30 minutes; limited dust contact does not interfere with operation. Must be clean and dry before use.) (On a carpeted concrete floor.) Pro-grade transfer speeds up to 1050MB/s Read and 1000 MB/s Write ( 1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.) Sustained performance with a cooling aluminum core Up to 4TB of capacity in a small and mighty design (1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.) An industry-leading 5-year limited warranty Ready to go with Mac (HFS+). Works with Windows via reformat.