Diskhoi magnitooptiki ba misli strimerho baroi nigohdorii nuskhahoi ehtiyotii informatsiyai gohgoh istifodashavanda khizmat merasonand. Onho nisbat ba kassetahoi strimeri dar istifodabari qulaytarand. Bo onho chun bo vinchester kor kardan mumkin ast.
Garchande, ki surati korii in diskho az vinchester susttar boshad ham, vale onhoro az disk-donhoyashon ozodona giriftan va ba onho mondan mumkin ast. Diskhoi magnitooptiki iqtidori gunjonidani az 230 Mbayt to 4,6 Gbayt informatsiyaro dorand.