12TB Surveillance Hard Drive for DVR & NVR Systems
Upgrade your CCTV storage with a reliable 12TB surveillance hard drive designed for continuous recording in DVR and NVR security systems. Whether you are replacing a failed hard drive, upgrading an existing recorder, or installing storage for a new CCTV system, this high-capacity HDD provides the storage space needed for extended video retention.
Designed specifically for surveillance workloads, this 3.5-inch SATA hard drive is suitable for systems that record continuously, day and night. It is supplied as WD Purple, Seagate SkyHawk, or Toshiba, depending on current stock availability. All supplied options are purpose-built surveillance drive ranges designed for the demanding write workloads generated by modern CCTV recorders.
With 12TB of storage, this drive is a practical choice for larger home security systems, retail stores, offices, warehouses, commercial properties, and other installations using multiple cameras. It can help provide longer footage retention compared with lower-capacity drives, particularly when used with modern H.265 or H.265+ video compression.
Designed for 24/7 CCTV Recording
Unlike standard desktop hard drives, surveillance HDDs are designed for the continuous read/write activity produced by DVR and NVR systems. Multiple cameras can record simultaneously throughout the day, creating a demanding storage environment. A dedicated surveillance drive is therefore a better choice for CCTV applications where reliability and continuous operation are important.
Large 12TB Storage Capacity
The 12TB capacity provides substantial storage for multi-camera surveillance systems. The actual recording period will vary depending on the number of cameras, resolution, frame rate, bitrate, compression settings, motion activity, and recording schedule. For this reason, the drive is particularly useful for installations where longer retention periods are required.
H.265 & H.265+ Recording Support
This hard drive is suitable for modern CCTV environments using H.265 and H.265+ compression. These technologies can reduce the amount of storage required compared with older compression methods, allowing security systems to retain more footage without constantly replacing or expanding storage.
Broad DVR & NVR Compatibility
The drive is suitable for compatible DVR and NVR systems from major CCTV manufacturers, including Hikvision, Dahua, HiLook, Hanwha, Vivotek, Uniview, and Axis, as well as other compatible surveillance recorders. However, recorder compatibility and maximum supported HDD capacity can vary between models.
Ideal for Upgrades and Replacements
If your current CCTV hard drive is running out of space, has failed, or no longer provides the retention period you need, upgrading to 12TB can significantly increase available storage. It is also a useful option for new installations with multiple cameras or higher-resolution recording.
Important Compatibility Information
Before ordering, check that your DVR or NVR supports a 12TB internal HDD. Some older or entry-level recorders have maximum storage limitations. If you are purchasing the hard drive with a compatible recorder, pre-installation and formatting may also be available before dispatch.
Brand supplied: WD Purple, Seagate SkyHawk, or Toshiba, depending on stock availability. A specific brand cannot be guaranteed or selected unless confirmed before purchase.
Capacity: 12TB
Type: Internal Surveillance HDD
Form Factor: 3.5-inch
Interface: SATA
Application: DVR and NVR CCTV recording
Recording: 24/7 surveillance workloads
Compression: Suitable for H.265 / H.265+ environments
Use: Residential, commercial, retail, office and warehouse CCTV systems
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