What is 4K performance in the hard drive

4K performance can be simply understood to mean that 4K random Read and write performance represents the data throughput capability (in IOPS) of the hard disk and is relative to continuous read and write performance. In the daily application of the Web page cache writing, System file updates, including programs, game loading, response, etc. are closely related to the random 4K read and write performance, can be said that the speed of 4K reading and writing determines the system's operating experience.