Description
Overview
The TOSHIBA S300 4TB (HDWT840UZSVA) is a 3.5-inch surveillance-class hard drive designed for continuous, 24×7 operation in digital video recorders (sDVR), network video recorders (sNVR) and hybrid systems. It provides high-capacity storage with a SATA III (6.0 Gbit/s) interface and is optimised for sustained sequential writes typical of CCTV and multi-camera recording environments.
Key features
- Capacity: 4 TB (3,500 GB usable)
- Form factor: 3.5-inch, 26.1 mm height
- Interface: SATA III (6.0 Gbit/s)
- Recording technology: SMR (Shingled Magnetic Recording)
- Rotational speed: 5,400 RPM
- Buffer: 256 MB
- Designed for 24×7 operation; supports multi-camera recording
- Manufacturer limited warranty: 3 years
Who this suits
Choose the S300 4TB when you need affordable, high-capacity 24/7 storage for CCTV/NVR systems or archive storage where sequential write throughput and long-term reliability are priorities. If you plan heavy random-write workloads across RAID volumes (general-purpose NAS use), confirm suitability with your system vendor because SMR behaviour differs from conventional CMR drives.
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