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Forum Thread
4TB WD Purple Surveillance Hard Disk Drive $86
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Price Intelligence
Give Feedback Model: WD Purple 4TB Surveillance Hard Drive - Network Video Recorder Device Supported - 5400rpm - 3 Year Warranty
Deal History
Deal History includes data from multiple reputable stores, such as Best Buy, Target, and Walmart. The lowest price among stores for a given day is selected as the "Sale Price".
Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.
Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.
Sort: Most Recent
| Post Date | Sold By | Sale Price | Activity |
|---|---|---|---|
 10/02/22 |  Newegg | $80 |
1 |
| 03/07/22 | Newegg | $83 |
0 |
 11/30/21 | Newegg | $89.99 popular |
3 |
 10/30/21 | Newegg | $89 |
3 |
| 10/23/21 | Newegg | $89.99 |
1 |
| 10/01/21 | Newegg | $90 |
6 |
| 09/16/21 | Newegg | $90 |
1 |
| 09/01/21 | Newegg | $90 popular |
9 |
 07/29/21 | Newegg | $89.99 |
1 |
| 07/29/21 | Newegg | $90 |
0 |
 07/13/21 | Newegg | $90 frontpage |
39 |
| 06/11/21 | Newegg | $89.99 |
3 |
| 05/07/21 | Newegg | $85 |
5 |
| 04/19/21 | Newegg | $84.99 popular |
22 |
| 03/05/21 | Newegg | $87.49 |
2 |
| 01/14/21 | Newegg | $84.99 popular |
11 |
| 12/31/20 | Newegg | $88 frontpage |
24 |
| 11/27/20 | Newegg | $89.99 |
2 |
| 11/19/20 | Newegg | $89.99 |
2 |
| 11/04/20 | Newegg | $90 |
0 |
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3 Comments
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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)