Dahua NVR's Claim to Support Drives up to 10TB?

Jayordon

Jayordon

Getting the hang of it
Mar 13, 2021
80
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United States
I know that this is a topic that has had some discussion around it. I saw one post where somebody got a 12TB drive working on a Dahua NVR, but until today, that's the largest drive that I know of anyone trying to use.

An acquaintance of mine is installing a system at his new home and he came across some WD Purple 22TB drives on Amazon. He decided to order one and see if it would work.
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So, what do you guys think? Does the file system put at cap at 20TB? Or is there a discrepancy in the way that the size is calculated by WD vs Dahua?

Windows detects my 2TB drive as being slightly larger than 1.8TB. If I plugged in a 22TB drive, it would likely detect it as about 19.9TB if my math is correct.
 
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1024 vs 1000 .. 1024 is the proper computer value .. 1000 is the marketers value ..
 
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That's kinda what I was thinking, but just wasn't sure. So I guess the conclusion is that a 22TB drive wil be fully supported, but to my knowledge, nobody has tried a larger drive (which would be unnecessary since 22TB seems to be the largest surveillance grade drive available to my knowledge)
 
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Jayordon said:
That's kinda what I was thinking, but just wasn't sure. So I guess the conclusion is that a 22TB drive wil be fully supported, but to my knowledge, nobody has tried a larger drive (which would be unnecessary since 22TB seems to be the largest surveillance grade drive available to my knowledge)
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probably will depend on the firmware / bios / board .. my guess the newer pro level NVRs have support for larger HDDs .. cheaper smaller consumer NVRs .. or older NVRs may not.
 
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