WD Purple 4TB SATA

Built specifically for surveillance systems, this 3.5" internal hard drive delivers reliable 24/7 recording with 4TB of storage and 180 MB/s read speeds. The SATA interface ensures straightforward installation in most DVR and NVR setups, while the 3-year warranty provides peace of mind for long-term deployments. If you're setting up a security camera system that demands consistent performance, this surveillance-grade drive is designed to handle the job.