This security system has so much local storage that it can hold several days worth of. Security cameras class hard drive storages are made for 24/7 use. Hk-hdd1t Dvr Security System Hard Disk Drive Hard Drive H.265 increases the flexibility of these grid containers so that surveillance video files take up less space on a hard drive than h.264. Security camera hard drive storage . Designed to support more security camera recordings at higher resolutions;. It is common to use a 2k security camera for example, and record it at 1080p to save hard drive space. Compared to h.264, it can provide up to 50% savings in hard drive space. The downside to storing footage for such a long amount of time is the sheer amount of physical storage space and hard drives required. Depending on whether your security camera recorder, it may support h.265 encoding. Without a hard drive, you cannot record the video 24/7 nonstop and cannot store the video for playback. They are considered m...