Why Hard Disk BNC Connector & 3+1 Cable is used in CCTV Cameras

Hard Disk Every now and then, we are asked by users about the surveillance hard drive for the NVR security camera systems.

The questions always go like this: which external hard drive or HDD should I choose for CCTV DVR? How to replace the internal hard drive of home security system? Can I use an external hard drive instead of an NVR? What’s the difference between desktop HDD and surveillance hard drive? How to set your camera up to save footage to a USB-connected hard drive?

Today, we share our insights into security camera hard drive, and help consumers find the best surveillance hard drive and best security cameras and systems with the hard drive.

Security Camera Hard Drive 101

Earlier we share some of the common ways to store surveillance footage, like Micro SD card, NVRs/DVRs, FTP, and Cloud storage.

Security camera hard drive, or known as a surveillance-rated hard disk drive (HDD), is primarily used for surveillance video footage storage 24/7 locally.

Many security camera hard drives are pre-installed inside a digital video recorder (DVR) or network video recorder (NVR) while some external hard drive for security cameras can be installed to a DVR or NVR.

3+1 Cable is used Not all coaxial cable should be used for CCTV camera installations. RG59 coax cable is the industry standard and best choice for CCTV systems and HD over coax systems, however, not all RG59 is created equal.

2MCCTV. The BNC connector is the most common connector in CCTV security and surveillance systems and is used to connect coaxial cable to cctv cameras and equipment. The bayonet, or central pin, in the male connector guides the connection to the female connector, making a solid connection fast and easy.

 

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