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Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX : Amazon.ca: Electronics
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Which Seagate and WD drives use SMR technology - a listing of the naughty ones to avoid for NAS use! - Lounge - Unraid
![Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX : Amazon.ca: Electronics Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/71+3EwR3ABL.jpg)