Seagate Skyhawk AI 18TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with in-House Rescue Services - Frustration Free Packaging (ST18000VE002) :
Seagate Expansion 18Tb External Hard Disk
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Dell Seagate 3.5" 18TB SATA HDD KPVDN ST18000NM002J