Samsung SpinPoint T166 HD321KJ - Hard drive - 320 GB - internal - 3.5" - SATA-300 - 7200 rpm - buffer: 16 MB

PRODUCT FEATURES:SATA native command queuing featureStaggerd spin-up supportATA S.M.A.R.T compliantATA 48-bit address featureATA device configuration overlay featureImpacGuardSerial ATA 3.0 Gbps interface supportDevice initiated SATA power managementHigh speed dual DSP based architectureATA automatic acoustic management featureSilentSeek