(Old Model) Seagate 4TB Surveillance HDD 6Gb/s Internal Hard Drive (ST4000VX000)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Ideal for surveillance DVRs and NVRs</li><li>Capacities up to 8TB support systems with 8+ drives and 64 cameras per drive</li><li>Precision-tuned for high write surveillance workloads</li><li>Workload rating of 180TB/year offers 3x the support of a desktop drive</li><li>Reliably performs in multi-drive systems with RAID support</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AvZlyPkQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XvbfZV4tL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QQNeYlWTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BnUc9s7aS.png" noproxy>