4.0TB HDD SATA Purple series for video surveillance — 3.5" drive, 4.0 TB, SATA III

4.0TB HDD SATA Purple series for video surveillance — 3.5" drive, 4.0 TB, SATA III is a hard disk drive designed specifically for continuous video recording environments. With a 3.5-inch form factor, 4.0 TB capacity and SATA III interface, this drive provides large onboard storage and sustained write performance suitable for DVR and NVR systems. It is engineered to operate 24/7 and handle multiple HD camera streams, supporting reliable long-term retention of video footage for residential and commercial surveillance installations.

Advantages

The drive is optimized for write-intensive workloads common in surveillance systems, offering consistent sequential write throughput and stable operation under continuous recording. Built for 24/7 availability, it incorporates durability considerations for extended runtime and frequent frame writes. Compatibility with standard SATA III host interfaces and the 3.5-inch form factor ensures easy integration into rack-mounted and desktop DVR/NVR enclosures. Large 4.0 TB capacity reduces the need for frequent offloading and enables longer retention periods for recorded video.

Suitable for

• DVR and NVR video recording systems
• Multi-camera HD and Full HD surveillance setups
• Small business and residential security solutions that require continuous recording
• Archive storage of surveillance footage with extended retention windows

Key specifications

• Form factor: 3.5-inch
• Capacity: 4.0 TB
• Interface: SATA III
• Optimized for: write-intensive surveillance workloads and 24/7 operation
• Suitable for multiple concurrent camera streams and continuous recording

How to use

Install the 3.5-inch drive into a compatible DVR or NVR bay following the manufacturer's instructions for mounting and SATA/power connections. Ensure the host system supports SATA III interface and format the drive within the recorder according to its setup menu. Configure the recorder's retention, overwrite and recording quality settings to match storage capacity and desired retention period. Regularly monitor drive health using the recorder's diagnostics or S.M.A.R.T. reporting where available.

Usage recommendations

For reliable long-term performance, maintain adequate ventilation and stable power for the recording system, avoid physical shocks during installation, and enable appropriate overwrite and retention policies in the DVR/NVR to prevent premature drive fill. Periodic backups of critical footage to secondary storage are recommended for important evidence retention.