Did you just get a brand new DVR/NVR or you already have one and you're looking for a larger capacity drive tailored for such use? If the answer is yes then you should really consider getting the brand new Guardian Series Skyhawk 10TB model by Seagate.
Business software left the office and moved into the home long ago. If you've ever lost the password to Word, ZIP or PDF file in misguided attempt to protect data from prying eyes, this guide to Decrypting Document and File Passwords is a life saver. PCSTATS Tips