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.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips