Upgrade your CCTV security system with the D25 500GB Hard Disk designed exclusively for HIKVISION DS-7104HGHI-K1 4 Channel HD DVR. Are you tired of worrying about limited storage space on your DVR? Say goodbye to the constant hassle of managing and deleting old footage. The Ultra Storage D25 500GB Hard Disk is your ultimate solution for seamless video recording and peace of mind. Introducing the perfect solution to increase your storage capacity and increase the performance of your system – 500GB internal hard drive for desktop. With a robust SATA interface and reliable speeds of 5400 RPM, this hard drive is designed to meet the demands of your personal and business computing needs Say goodbye to storage constraints and say hello to more space for your documents, multimedia and applications. This internal hard drive is not only capable but also incredibly efficient. It is compatible with CCTV DVR systems and PCs, making it a versatile option for systems.