Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics
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WD Purple-disco duro interno de vigilancia, dispositivo de almacenamiento HDD HD de 4TB, 3,5 pulgadas, 64M de caché, SATA III, 6 Gb/s, 1TB, 2TB, 3TB, para CCTV, DVR, NVR - AliExpress
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ : Electronics