Upgrade your CCTV recorder with a 6TB surveillance hard drive designed for 24/7 continuous video recording. This drive is ideal for use in DVR and NVR systems from Hikvision, Dahua, HiLook and many other compatible CCTV brands.
Unlike a standard desktop hard drive, a surveillance HDD is built for always-on recording, multiple camera streams, and the demanding environment inside security recorders. It is a smarter and more reliable choice for storing important CCTV footage.
This 6TB hard drive is a great choice for customers who want longer recording time than 2TB or 4TB can offer, without stepping all the way up to 8TB, 10TB or larger capacities.
Why choose a surveillance hard drive?
A CCTV recorder works very differently from a normal computer. It writes video footage day and night, often from multiple cameras at once. A surveillance hard drive is designed for this type of workload and is better suited to continuous recording than a standard desktop HDD.
- Designed for 24/7 surveillance workloads
- Better suited to DVR/NVR environments
- Optimised for continuous video recording
- Suitable for modern H.265 / H.265+ systems
- Supports multi-camera recording setups
Suitable for Hikvision, Dahua, HiLook and more
This 6TB surveillance hard drive is suitable for many CCTV recording systems, including:
- Hikvision DVRs
- Hikvision NVRs
- Dahua DVRs
- Dahua NVRs
- HiLook recorders
- Other compatible CCTV DVR and NVR systems
If ordered with a compatible recorder, additional drives may be installed and formatted prior to dispatch.
WD Purple or Seagate SkyHawk
We supply professional surveillance hard drives such as WD Purple or Seagate SkyHawk, depending on stock availability. Both are purpose-built for CCTV use and are trusted choices for DVR and NVR systems.
- WD Purple – designed for surveillance environments and continuous recording
- Seagate SkyHawk – built for always-on video workloads in CCTV systems
Both options are far better suited to surveillance than a normal PC hard drive.
How Much Storage Do You Need?
Use this quick guide to estimate how much storage you may need for 6MP and 8MP CCTV cameras using H.265 compression.
| Number of Cameras | 14 Days Recording | 30 Days Recording |
|---|---|---|
| 2 Cameras | 2TB – 4TB | 4TB – 6TB |
| 4 Cameras | 4TB – 6TB | 8TB – 10TB |
| 6 Cameras | 6TB – 8TB | 12TB – 16TB |
| 8 Cameras | 8TB – 10TB | 16TB+ |
These estimates assume 6MP to 8MP cameras recording at around 15fps using H.265 or H.265+. Actual storage time depends on bitrate, motion levels, scene activity, and recording settings.
Is 6TB enough? For many 4-camera to 6-camera CCTV systems, 6TB is a very practical choice. Larger systems, higher bitrates, or longer retention times may require 8TB, 10TB or more.
Need a more accurate answer?
Use our CCTV Storage Calculator to estimate storage based on your exact camera count, resolution, frame rate and recording quality.
Key Features
- 6TB capacity for CCTV recording
- Designed for 24/7 continuous surveillance use
- Suitable for DVR and NVR systems
- Ideal for home and business CCTV
- Better suited than a normal desktop hard drive
- Suitable for many multi-camera systems
- Compatible with modern H.265 / H.265+ recording environments
- Available as WD Purple or Seagate SkyHawk depending on stock
Specifications
- Capacity: 6TB
- Type: Internal surveillance hard drive
- Form Factor: 3.5 inch
- Interface: SATA
- Application: CCTV DVRs and NVRs
- Designed For: 24/7 CCTV recording systems
- Brand Supplied: WD Purple or Seagate SkyHawk (subject to availability)
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