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Seagate Surveillance HDD 5TB Serial ATA 600 (6Gbps) - 128MB Cache @7200rpm
Form Factor: 3.5 inch Perfect for: SMB surveillance DVR and NVR Capacity: 3 TB No. of Cameras Supported: 1 to 64 Workload Rating: 180 TB/year No. of Drive Bays Supported: Up to 8 Built to record 90% of the time NVR ready drives deliver robust drive design for multi-drive environments
Capacity: 2TB Speed: 7200 RPM Cache: 64MB Interface: SATA 6Gb/s Form factor: 3.5 inch