WD 3 TB Surveillance Hard Drive - Purple

Q: What is the RPM platter spin speed?5400?7200?Thanks for any input.

Clearly its 5400 RPM. The 7200 RPM drives run too hot and would not be a good choice for this application.

Q: why does it say it has no space?

Your computer has to be set to recognize it as a drive. Until this is done, it is not usable and thus will show “no space:”. The method to do this varies slightly from OS to OS, so I suggest looking up “how to add a hard drive” for your specific OS.

Q: I want to replace the hard drive on my Lorex security system, do I need to format this drive after purchasing it?

Yes you will but I advise getting another brand. My 2 TB went bad in just a few weeks and was not covered under warranty due to the 30 limit I believe.

Q: Does the 8 tb model have a 128mb cache or 256mb cache? i found the product on another website, and there's is 256mb.

Western Digital sells 128MB cache and 256mb cache versions of the 8TB purple drive: https://www.wd.com/products/internal-storage/wd-purple-surveillance-hard-drive.html#WD80PURZ. Saving even several streams of high definition digital CCTV video is very low-demand from a performance perspective. It doesn't matter which version you use. Personally, though, I wouldn't buy another purple drive. I bought 8 of them and not a single one lasted through the warranty period. These drives are designed for 180TB total writing per year, or about 500GB per day, easily enough to handle an average of 10 cameras recording 3mp 24/7 but mine all failed with no more than 2 cameras storing to any single drive. Luckily, I didn't lose any critical video (had no break-ins or burglaries) between failure and replacement of these purple drives but I need better reliability than these gave me. I will have to give WD credit for replacing all of the drives that I got sent to them on time. A couple failed in a remote location a couple months before warranty ended and I couldn't get to them on time to send in so those two are on me. I've switched to all enterprise grade drives that are designed for 550 TB per year hoping to get more reliability. Search for this ASIN on Amazon for the suitable WD drive: B074WH5NPT

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Product ID: 47929565

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Details

Digital Storage Capacity
3 TB
Hard Disk Interface
Serial ATA-600
Connectivity Technology
SATA
Brand
Western
Special Feature
Portable
Hard Disk Form Factor
3.5 Inches

Frequently Bought Together

Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version]

16 Channel 2MP 1080P DVR Recorder Hybrid 6-in-1 DVR H.265+ 16CH Security Digital Video Recorder Support Analog AHD/IP/TVI/CVBS/CVI Camera (No Hard Drive)

Description

Built for mainstream surveillance DVRs and NVRs, professional security installers, integrators and VARs
Ideal for high temperature, always-on, surveillance security systems to ensure reliability and quality video playback for when you need it most
With a workload rating of up to 180 TB/year, built for always-on, 24/7, high-definition surveillance systems
AllFrame 4K technology tunes the hard drive to help reduce frame loss, improve overall video playback and increase the number of hard drive bays supported within a NVR
Each drive supports up to 64 cameras and available in capacities up to 10 TB

WD 3 TB Surveillance Hard Drive - Purple

Specifications

Standing screen display size	3.5 Inches
RAM	3 GB
Hard Drive	3 TB Mechanical Hard Disk
Brand	Western Digital
Series	Purple
Item model number	WD30PURX
Hardware Platform	PC; Mac
Operating System	Mac OS X 10.6 -10.12/ Windows XP SP3, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows10
Item Weight	1.7 ounces
Product Dimensions	5.8 x 4 x 1 inches
Item Dimensions LxWxH	5.8 x 4 x 1 inches
Color	Purple
Computer Memory Type	DDR3 SDRAM
Flash Memory Size	3 TB
Hard Drive Interface	Serial ATA-600
Hard Drive Rotational Speed	5400 RPM
Batteries	1 Lithium Ion batteries required.
Manufacturer	Western Digital
ASIN	B00IMPO5N8
Is Discontinued By Manufacturer	No
Date First Available	February 25, 2014

Have a Question? See What Others Asked

What is the RPM platter spin speed?5400?7200?Thanks for any input.

why does it say it has no space?

I want to replace the hard drive on my Lorex security system, do I need to format this drive after purchasing it?

Does the 8 tb model have a 128mb cache or 256mb cache? i found the product on another website, and there's is 256mb.

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WD 3 TB Surveillance Hard Drive - Purple

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions