4TB Hard Drive SanDisk extreme 4tb SSD m.2 nvme New version Light, modest use SanDisk 4TB Extreme Portable SSD (Royal Blue) – High-Speed 1050MB/s NVMe, IP65 Water/Dust Resistant, Rugged External Starting bid from 800 SAR and the buy-it-now price is 1100 SAR. The external hard drive can be converted to an internal hard drive by simply removing the cover, pulling out the hard drive, and installing it in a laptop or computer.