WD82PURZ vs WD84PURZ vs WD82PURX

Akash jain Estimated Read Time: 1 Minutes

TL;DR: WD82PURX and WD82PURZ have similar specifications, but are intended for different regions. WD84PURZ is a lower RPM part number.

WD has introduced so many different part numbers lately that it's hard to keep track. Here is a quick comparison of the different part numbers

Attribute WD82PURX WD82PURZ WD84PURZ
Cameras Supported Upto 64 HD Upto 64 HD Upto 64 HD
AI Streams 32 32 -
Max Suistained Transfer rate 245 MB/s 245 MB/s 194 MB/s
Cache 256 MB 256 MB 128 MB
RPM 7200 7200 5640
MTBF 1.5 M Hours 1.5 M Hours 1.0 M Hours
Warranty 3 Yrs LTD 3 Yrs LTD 3 Yrs LTD
Power Average RW 8.6 W 8.6 W 6.2W

It is not uncommon to have a surveillance drive with low RPM. Since both power consumption and vibration are low on low RPM drives, they tend to be more reliable, albeit with lower transfer rates.

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