HDD SATA III 4000GB SEAGATE SURVEILLANCE SKYHALK, 5400 RPM, CACHE 256 MB, 3.5´, SATA 6GB/SHDD SATA III 4000GB HD WD BLUE, 3.5, SATA III 6GB/SHDD SATA III 4000GB EXTERNO WD, ELEMENTS USB 3,0 PRETO