Western Digital 10TB WD Purple Surveillance Internal Hard Drive - SATA 6 Gb/s, , 256 MB Cache, 3.5" - WD101PURZ (Old Version)

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ

Seagate SkyHawk 6TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6GB/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management – Frustration Free Packaging (ST6000VX001)

About this item

• Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads
• Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems
• Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher)
• Up to 10TB of capacity to store up to 10,000 hours of HD video

Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ

About this item

• Built for 24/7 surveillance
• AllFrame technology for better performance
• Designed to support up to 64 HD cameras
• Engineered for compatibility

Seagate Skyhawk ST4000VX013 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Network Video Recorder, Video Surveillance System Device Supported

About this item

• Storage Capacity: 4 TB
• Buffer: 256 MB
• Wireless LAN: No
• Drive Interface: SATA
• Drive Interface Standard: SATA/600