Home Slickdeals 4TB WD Purple 3.5″ 5400RPM SATA 6Gb/s Surveillance Internal Hard Drive $100... Slickdeals 4TB WD Purple 3.5″ 5400RPM SATA 6Gb/s Surveillance Internal Hard Drive $100 + Free Shipping By ARCOM - 5 June 2020 131 0 SHARE Facebook Twitter Go to the deal page: 4TB WD Purple 3.5″ 5400RPM SATA 6Gb/s Surveillance Internal Hard Drive $100 + Free Shipping