Data cache refers to the high speed inside the hard diskstorageIn the computer, it is like a buffer to temporarily save some data for reading and re reading.aboutbig dataCached hard disks have great advantages in accessing scattered files.
The hard disk cache is generally 512KB-2MB, and the mainstream SATA hard diskThe data cache of is 2MB, and the highest data cache in SCSI hard disk has reached 16MB.
