![Amazon.com: Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD30EFRX : Electronics Amazon.com: Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD30EFRX : Electronics](https://m.media-amazon.com/images/I/61GEzyG3vZL._AC_SL1500_.jpg)
Amazon.com: Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD30EFRX : Electronics
![Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" -WD60EFZX : Electronics Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" -WD60EFZX : Electronics](https://m.media-amazon.com/images/I/611GveQU4+L._AC_SY355_.jpg)
Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" -WD60EFZX : Electronics
![PSA: Beware of HDD manufacturers submarining SMR technology in HDD's without any public mention - Node Operators - Storj Community Forum (official) PSA: Beware of HDD manufacturers submarining SMR technology in HDD's without any public mention - Node Operators - Storj Community Forum (official)](https://storj-s3.bcdn.literatehosting.net/original/2X/1/19caa9052afa2bc2b761ff5776411eb069ec7738.png)