MaxDigitalData 3TB 32MB Cache 5700PM SATA 6.0Gb/s 3.5' Internal Surveillance CCTV DVR Hard Drive (MD3000GSA3257DVR) - 2 Year Warranty

3TB Capacity, 5700RPM, 32MB Cache 3.5in Surveillance Hard Drive Estimate Record: 84 Days (30FPS, 720P) Durable, Heavy Duty, Designed for 24/7 Operation, Coolspin technology for low power consumsion, low heat and quiet operation. Enhanced for Video Stream, Optimized for Surveillance 2 Years Warranty from Reseller