Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5 - WD42PURZ

Broke after 15 days. Drive doesnt get detected in Windows or Linux. I get ntfs_pread failed: Input/output error in Linux and Disk1Unitialized Disk in windows. Return period was only 10 days and couldnt even return. Had to claim WD warranty for replacement

I was able to replace my failed HD in my UDM Pro with this 6TB WD Purple hard drive. I did not have to do anything special, just install it. I still retrieve my videos as quickly as before.

He pasado todos mie archivos pesados al hdd y es de buena calidad.

Does not work

PREZZO BUONO E SPEDIZIONE VELOCE

Replaced a 3TB drive that went bad after 4 years with this one. Easy to install.

Installed this WD Purple 4TB in my Lorex DVR (from 2016) that had a 2TB WD Purple. The drive doubled recording capacity while still keeping the performance. The newer drive has 256mb cache, vs. the older unit had 64mb cache, which means it would perform better on writing/reading, with lower heat and longer MTBF.. all in all the 256 MB WD Purple drive is a win win.. Must have if you are upgrading your DVR / NVR storage.

I recently purchased a WD Black and it arrived in a thick cardboard box with inner support foam pieces. Works like a charm. The second I laid eyes on this package, I knew it was game over. Like come on, a bubble wrap envelope? GG. Decided to throw it onto a dock and attempt a format. Just hangs and makes the click of death. Buyer beware. Poorly packaged hard drive inevitably breaks during shipping. Such a waste.

Works in my harbor freight 4K NVR surveillance system.

Works great