Introducing the 4TB Surveillance Hard Disk, the ideal storage solution for your security systems. With a massive capacity of 4TB, this internal drive is specifically designed for 24/7 surveillance systems. With a 5900 RPM spindle speed, it delivers high-performance data transfer rates, ensuring smooth video recording and playback. Featuring a SATA 6Gb/s interface and a cache of 64MB, this hard disk delivers fast and reliable access to your data. As a factory, we take pride in producing high-quality products that meet industry standards. Trust us to provide you with the reliable, long-lasting storage solutions you need for your surveillance systems.