SanDisk Extreme Pro 4TB Portable NVMe SSD, USB-C, up to 2000MB/s,RRP £600 BNIB
(1) See official SanDisk website. (2) Password protection uses 256-bit AES encryption and is supported by Windows 8, Windows 10 and macOS v10.9+ (Software download required for Mac, see official SanDisk website.).