The HP x911w Solid State Flash Drive deliver a 4X faster read/ write speed than general USB drives or HDD which blur the line between USB storage and external hard drive. HP x911w sequential speed up to 500 MB/s (read). 450 MB/s (write) which allow users transmit 4K video in 13 seconds or 1000 photos in 23 seconds. With capacities up to 1TB. there's plenty room to storage more than 250k 1.2 million pixel photos or 500 hours FHD@60fps videos.