Seagate 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5″ Terascale Hard Drive Bare Drive – $64.99 + Free Shipping

goHardDrive via NeweggFlash has Seagate 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Terascale Hard Drive Bare Drive for $64.99
https://flash.newegg.com/Product/9SIA5AD8P22252