Home Storage WD Purple 4TB SATA III 3.5" Internal Hard Drive (Surveillance HDD) $87.49 Storage WD Purple 4TB SATA III 3.5" Internal Hard Drive (Surveillance HDD) $87.49 By ARCOM - 5 March 2021 122 0 SHARE Facebook Twitter Go to the deal page: WD Purple 4TB SATA III 3.5" Internal Hard Drive (Surveillance HDD) $87.49