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WD Purple 4TB Surveillance Hard Disk Drive - $109

$109.00
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Newegg has the Western Digital 4TB Purple drive for $109 with code EMCPRRP67. Purple drives are ideal for environments with 24/7 usage like home video surveillance.

https://www.newegg.com/Product/Pr...6822231535
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Our community has rated this post as helpful. If you agree, why not rep buzzy?
#2
Read this if you need convincing not to use these in a desktop or a NAS:

https://forum.synology.com/enu/vi...aa806f1882
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#3
Quote from buzzy
:
Read this if you need convincing not to use these in a desktop or a NAS:

https://forum.synology.com/enu/vi...aa806f1882
So it is saying the reds are ok
But not the purple
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Last edited by JimB3957 February 21, 2018 at 03:49 PM.
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#4
Quote from buzzy
:
Read this if you need convincing not to use these in a desktop or a NAS:

https://forum.synology.com/enu/vi...aa806f1882
Why would people be using these as desktop or NAS drives anyway? That's not what they're designed for.
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Our community has rated this post as helpful. If you agree, why not rep EdOz?
#5
Quote from buzzy
:
Read this if you need convincing not to use these in a desktop or a NAS:

https://forum.synology.com/enu/vi...aa806f1882 [synology.com]
Thanks - very informative and a quick read...
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#6
Arg, I need this for motioneyeos surveillance cams, but I need it to come in an enclosure since it's connecting to a raspberry pi
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#7
Quote from ionizer
:
Arg, I need this for motioneyeos surveillance cams, but I need it to come in an enclosure since it's connecting to a raspberry pi
You can buy any number of enclosures for relatively low prices on amazon.
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#8
Quote from davelikesdeals2
:
I never referenced that, buzzy did.

And where on the page does it say anything about WD Reds being superior to WD Purple for surveillance?
Right here.

Quote :
Purples have the same warranty and URE rate as Reds, half the guaranteed LCC, and the data sheet doesn't list an MTBF at all.
Low LCC means the drive will fail in half the number of power cycles. Video surveillance stays on 24x7 so not a concern, but regular consumer usage may be problematic.

The lack of MTBF is also troubling.

Additionally, it was clear to me that buzzy was referencing general use desktop/nas not video surveillance in that setup. Store a bunch of files on one of these drives, and it may be corrupted.
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Our community has rated this post as helpful. If you agree, why not rep finzz2dlft?
#9
Please keep this discussion focused on the deal. And FYI, please do not mod alert someone and then engage them/egg them on in conversation.
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#10
Quote from brokencycle
:
Right here.



Low LCC means the drive will fail in half the number of power cycles. Video surveillance stays on 24x7 so not a concern, but regular consumer usage may be problematic.

The lack of MTBF is also troubling.

Additionally, it was clear to me that buzzy was referencing general use desktop/nas not video surveillance in that setup. Store a bunch of files on one of these drives, and it may be corrupted.
I don't know anyone who uses surveillance cameras that powers them on/off at the same rate as a normal desktop/laptop. You typically have them running 24/7 thus I fail to see the issue.
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#11
Quote from laptopquestions
:
Try the link again or simply search for the following:
3 out of 4 Western Digital Purple drives failed in 2 years [spiceworks.com]
The links are broken; they take me to a page that says the link has expired. Here is the page you are referring to: https://community.spiceworks.com/...in-2-years

Also, good read! I've learned a lot from this forum feud Smilie

Those learnings are this:
- Surveillance recording is a rather different use case than most file storage: 24/7 up time, few power cycles, write throughput is highly prioritized, perfect accuracy (data integrity) is less important. For that last point, think a couple bad pixels here and there on a couple frames. Tolerable.
- WD Purples are designed for this use case. They are often slightly cheaper than Reds, and are less reliable. Not a great choice for a backup or primary drive, as those bad bits could lead to corrupted files. If frequently power cycled, expect them to fail much sooner. Expect them to fail sooner in general, but 24/7 write usage should be pretty good (low workload)
- Everyone (ok, most people) loves WD Reds and they work for surveillance, as well as primary and backups. They are often a bit more expensive.
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Last edited by tbern1 February 21, 2018 at 10:42 PM.
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#12
Straight from the WD Purple product description page:

"What is the difference between a desktop drive and a WD Purple drive?

The WD Purple drive is designed specifically for 24/7 DVR and NVR surveillance solutions and is optimized with AllFrame 4K™ technology for system playback and performance.

WD Purple drives support 3x the workload rating of desktop drives, making them more capable of handling the higher demands of video surveillance systems."

This isn't that great of a deal. It's $114 on Amazon WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ https://www.amazon.com/dp/B071KVB...JAbB8KY9F1. Saving $5 is not a slick deal. Saving $25+ on this drive is a slick deal, albeit at $114.60, it's the lowest it's been according to the 3Cs.
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Last edited by cwigley February 21, 2018 at 10:33 PM.
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#13
Quote from laptopquestions
:
Try the link again or simply search for the following:
3 out of 4 Western Digital Purple drives failed in 2 years [spiceworks.com]
Quote from tbern1
:
The links are broken; they take me to a page that says the link has expired. Here is the page you are referring to: https://community.spiceworks.com/...in-2-years

Also, good read! I've learned a lot from this forum feud Smilie
Not sure why the previous links are failing....

Using google to search for "3 out of 4 Western Digital Purple drives failed in 2 years" will find them, among others.

The following might also work:
http://bfy.tw/Gjt4

In the end, putting the integrity of any data is at risk.

BTW, I use my HGST NAS and WD Reds for my several 24/7 cameras in my 3 Synology NAS boxes (as well as other standard NAS functionality) simply based on their *proven* 24/7 reliability.
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Last edited by laptopquestions February 21, 2018 at 10:45 PM.
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#14
Quote from ionizer
:
Arg, I need this for motioneyeos surveillance cams, but I need it to come in an enclosure since it's connecting to a raspberry pi
Newegg has cheap enclosures. Make sure to get one with a fan
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#15
Quote from cwigley
:
Straight from the WD Purple product description page:

"What is the difference between a desktop drive and a WD Purple drive?

The WD Purple drive is designed specifically for 24/7 DVR and NVR surveillance solutions and is optimized with AllFrame 4K™ technology for system playback and performance.

WD Purple drives support 3x the workload rating of desktop drives, making them more capable of handling the higher demands of video surveillance systems."

This isn't that great of a deal. It's $114 on Amazon WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ https://www.amazon.com/dp/B071KVB...JAbB8KY9F1. Saving $5 is not a slick deal. Saving $25+ on this drive is a slick deal, albeit at $114.60, it's the lowest it's been according to the 3Cs.
Good post
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