more What is sequential read speed?Ī measure of how quickly large files can be read from a device. most music, video and image file formats. more What is incompressible data?ĭata that cannot be compressed e.g. The number of simultaneous requests on a drive's request queue. more What is 4K random write speed?Ī measure of how quickly multiple small files can be written to a device. more What is 4K random read speed?Ī measure of how quickly multiple small files can be read from a device. The speed at which files can be copied from from one directory to another on the same drive. more What is AS SSD real world copy speed? more How big is 16GB?Īpproximately enough space to hold 3,200 mp3 audio files. MBps and MB/s refer to megabytes per second which are units of data transfer speed. more What is the Hard Drive value for money rating?Ī measure of real world Hard Drive performance and capacity per unit cost. A measure of how well a Hard Drive responds to typical consumer access patterns.