which hdd/ssd to add to nvr

trapper

trapper

Getting comfortable
Feb 11, 2017
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I have a dahua NVR with a 1tb hdd, I want to add a 6 or 8 tb for 10 camera 24/7 recording of approx 14 day. I don't know much about hdd vs ssd. Is western digital 6tb hdd my best bet or should I go ssd.
 
HDD is more than sufficient. Most would suggest WD Purple. You really wouldn't see any measurable differences in speed for video pullup between SSD and HDD.

SSDs are not really designed for the continuous writing of video cameras. Sure people have used enterprise ones and can get many years out of it, but more than likely you would get the cheaper typical consumer grade SSD and it may not be able to keep up or you will probably kill the SSD in a year or less like this person has twice:

ssd-hd-failure-2nd-time

As always YMMV and some people have used cheap ones fine.

Size of the drive really depends on your resolution/bitrate/FPS. Use this calculator as an estimate:

Calculating Required Hard Drive Size

We have built a calculator for you to use and save your results. Click here to use it. To calculate required storage space for cameras, you only need to know two things: The average bit rate, and the amount of time. Then multiply them together with Google, being careful to use the correct...
ipcamtalk.com ipcamtalk.com
 
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WD Purple is the best bet. There are some Recorders out there that were built to use with SSD but Dahua isn't one of them. So stay with the HDD that is proven to work best with Dahua.. That is just my 2 cents.. Others will say that they use SSD just fine and they may but the recorders that support SSD were built for them and use a different type of system setup for being able to record to them.
 
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WD Purple and do the 8TB
 
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