Qhov tseem ceeb ntawm kev txhim kho computer yog sai thiab ruaj khov cov ntaub ntawv kis, broadband thiab tsawg hluav taws xob noj. Piv nrog cov khoom siv pheej yig, beryllium tooj liab alloy muaj cov hluav taws xob kev ua haujlwm, thermal conductivity, elasticity, yog li lub zog, yog li kev ntseeg tau zoo dua. Cov khoom lag luam muaj xws li springs, cov neeg ua rau npe (txuas), hloov khoom siv, thiab lwm yam.