Is HDD buffer important?

[MrMcArtur]

Ill have my OS and games with long loading times on my SSDs so I plan on getting a 5400rpm hdd but the 7200rpm hard drive i planned on buying hsa 64mb of chache. Is cahce really important? what does it do? etc

[Mira Yurizaki]

Hard drive caching allows it to appear to perform better in certain situations. Like if you're constantly reading the same small data, the data can live in cache and the hard drive can deliver it "instantly". Or if you're writing small amounts of data, the hard drive will write it to cache first and tell the OS or app that it's done then write the contents to the hard disk later. This is so that the program isn't waiting too long for the hard drive tell the program it's done.

 

But for the most part, it doesn't really do much for general use.

[manikyath]

the biggest issue with HDDs is seek time, and *generally* the higher rpm drives seek faster.