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expired Posted by sr71 • May 21, 2022
expired Posted by sr71 • May 21, 2022

4TB WD Purple Surveillance Hard Disk Drive $86

$86

Newegg
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Model: WD Purple 4TB Surveillance Hard Drive - Network Video Recorder Device Supported - 5400rpm - 3 Year Warranty

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3 Comments

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May 22, 2022
361 Posts
Joined Jul 2019
May 22, 2022
Md3456
May 22, 2022
361 Posts
Amazon got it for 82.99
May 22, 2022
361 Posts
Joined Jul 2019
May 22, 2022
Md3456
May 22, 2022
361 Posts
There is a newer 256MB cache. Wonder if that performs any better. Its just for surveillance.
Jun 17, 2022
421 Posts
Joined Feb 2014
Jun 17, 2022
Cats869
Jun 17, 2022
421 Posts
Quote from Md3456 :
There is a newer 256MB cache. Wonder if that performs any better. Its just for surveillance.
I think it would help only a little bit at best but for the most part, you don't need more cache. Cache is mainly for if you need to access the same thing repeatedly and quickly. Since these drives are for surveillance and the computer/NVR/DVR is continuously writing to it, and you are only going to review footage once, I don't see much benefit with higher cache.

WD might increase cache to help scenarios where you need extra cache in case you are recording from multiple sources (ie more cameras)
Last edited by Cats869 June 17, 2022 at 11:54 AM.

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