Features:SATA23.0Gb/shighspeedtransferHDD-ROMHDDCasefit5.25"standardbayToolfreeharddiskinstallationHotswapStylishfrontpaneldesignHDDConsolewithexcellentventilationSecuritykeylock(and2sparekeysincluded)System:windows98/2000/ME/XP(NotsuitableforVista)LEDsignallights,powerreal-timedisplayandharddiskreadandwritestateSpecifications:Fitsall3.5"SerialATAharddriveDimension:184x149x42mmInterface:standardS-ATAOperationtemp:0to55degreesComputerrequirements:M/Bsouthbridgechipversion:ICH7oraboveOnefree5.25"bayinsidethecasePackagecontents:1xSATAHDDrom2xKeys1x Satacable