depends on your drive, hitachi are load as f**k, sammy are ok but get stuck. benq are good but some of them had bad lasers in. lnewer liteons (april and after) are very quiet and read nicely, even with some of the copies i have that wont play on other drives. if your refering to the fans, they adjust with the cpu and gpu temp's. if they are going mad then rrod is probs on the way so xclamp fix will be needed as u can tell, i know my shit with xbox 360's lmao depends on your drive, hitachi are load as f**k, sammy are ok but get stuck. benq are good but some of them had bad lasers in. lnewer liteons (april and after) are very quiet and read nicely, even with some of the copies i have that wont play on other drives. if your refering to the fans, they adjust with the cpu and gpu temp's. if they are going mad then rrod is probs on the way so xclamp fix will be needed as u can tell, i know my shit with xbox 360's lmao