Storage Devices

SD Card in CCTV Cameras

SD cards in CCTV cameras provide simple, local storage by allowing footage to be recorded directly inside the camera. They are ideal for standalone or wireless setups where an NVR or DVR is not required. SD cards are commonly used in small installations, such as homes or shops, and also act as a backup in larger systems if the network or recorder fails. This makes them a convenient and cost-effective way to store and access footage directly at the camera.

Key Uses of SD Cards in CCTV

• Local storage without NVR or DVR

• Ideal for standalone and wireless cameras

• Backup recording during network failure

• Suitable for small-scale installations

• Easy and low-cost storage solution

What Are the Uses of a Hard Disk (HDD)?

A hard disk (HDD) is a storage device used to save and retain digital data over long periods. It stores files such as videos, images, documents, and software, making them accessible whenever needed. In CCTV systems, HDDs are installed in recorders to store large amounts of continuous footage. Unlike RAM, hard disks keep data even when the power is off, making them essential for reliable, long-term storage.

Key Uses of Hard Disks

• Long-term data storage

• Stores CCTV footage and recordings

• Holds large volumes of files and media

• Used in computers, servers, and recorders

• Retains data even without power