4TB HDD – Surveillance HDD for DVRs & NVRs

High quality hard drives, specifically tested for use with Hikvision & Dahua DVRs and NVRs. Simply order your additional drives with your DVR order to have them installed and formatted prior to dispatch.

1. Capacity Options

• WD Purple: Offers a wide range of capacities, from 1TB up to 22TB (depending on model and availability).
• Seagate SkyHawk: Offers capacities from 1TB to 20TB, with some models like SkyHawk AI designed specifically for AI-enhanced surveillance systems.

2. Optimized for Surveillance

• WD Purple: Uses AllFrame technology, which improves the recording accuracy by reducing frame loss and supports up to 64 HD cameras. It’s optimized for continuous 24/7 operation.
• Seagate SkyHawk: Includes ImagePerfect firmware to ensure smooth, continuous recording without frame drops and also supports up to 64 HD cameras.

3. Reliability and Durability

• WD Purple: Designed for long-term reliability, with a Mean Time Between Failures (MTBF) of up to 1 million hours and a 3-year warranty.
• Seagate SkyHawk: Has a similar MTBF rating of 1 million hours and a 3-year warranty for most models. SkyHawk AI models offer advanced durability with better support for AI workloads.

4. Workload Rating

• WD Purple: Designed for up to 180 TB/year workload, meaning it can handle high amounts of data writes from surveillance systems.
• Seagate SkyHawk: Designed for up to 180 TB/year workload, similar to WD Purple in this regard. SkyHawk AI models can handle up to 550 TB/year, making them more suitable for higher-performance systems.