This power supply is designed to be rackmounted. It is ideal to use if you are also rackmounting other DVRs, NVRs or computers and also need 12V DC power for your security cameras. The input is 110V AC and the output is 12V DC , 12 amps.
16 Channel Rack Mount 12V DC CCTV Power Supply
Review by Andy Esterline on Aug 26, 2013
Works great, no issues. It's a bit more expensive than a typical power distribution supply box, but then again it is designed in a compact rack mountable case that helps keep things neat and tidy.
This is a nice way to keep your installation neat and tidy. This rack mounted power supply also gives you the ability to place your power supply somewhere where it won't be in the way and subject to bumping and knocking around (like laying it in a corner somewhere or trying to mount it on a wall in a server room that has very little available space, other than on the rack). Just one word of caution: This is not a network switching power supply for power POE (Power Over the Ethernet) applications it is simply a 12 volt power supply that is within a server type case that can be easily rack mounted.