Western Digital - WD4000FYYZ - HDD 4TB 7200RPM SATA 6Gb/s 3.5" WD4000FYYZ - Western Digital - Re 4TB 7.2K RPM SATA 6Gb/s 64MB 3.5" HDD $469.75 $381.91
Western Digital - WD4001FAEX-A1 - HDD 4TB 7200RPM SATA 6Gb 3.5" 64MB WD4001FAEX-A1 - Western Digital - 4TB 7200RPM SATA 6.0 Gbps 3.5 64MB Cache Black Hard Drive $470.41 $398.65
Western Digital - WD4000F9YZ-A1 - HDD 4TB 7200RPM SATA 6Gb 3.5" 64MB WD4000F9YZ-A1 - Western Digital - 4TB 7200RPM SATA 6.0 Gbps 3.5 64MB Cache SE Hard Drive $470.41 $398.65
Western Digital - WD4000FYYZ-01UL1B3 - HDD 4TB 7200RPM SATA 6Gb/s 3.5" WD4000FYYZ-01UL1B3 - WESTERN DIGITAL - Western Digital RE 4TB 7200RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive $249.08 $202.50
Western Digital - WD40EZRX-A1 - HDD 4TB 5400RPM SATA 6Gb 3.5" 64MB WD40EZRX-A1 - Western Digital - 4TB 5400RPM SATA 6.0 Gbps 3.5 64MB Cache Green Hard Drive $376.15 $318.77