SANDISK E30 Portable SSD 1TB

1GB = 1,000,000,000 bytes, 1TB = 1,000,000,000,000 bytes. Actual user capacity less. [1TB-2TB]: Up to 800MB/s read speed. Write speeds lower. [480GB]: Up to 520MB/s read speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. See www.sandisk.com/wug Based on internal testing.