Western Digital Purple WD30PURZ 3TB 3.5" IntelliPower SATA Surveillance Hard Drive
Seagate Barracuda 3TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST3000LM024)
3TB HDD Sata 6G Special CCTV. 64MB buffer.
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