![Amazon.com: Western Digital 2TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD20EFAX : Electronics Amazon.com: Western Digital 2TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD20EFAX : Electronics](https://m.media-amazon.com/images/I/51DAiVsSoSL.jpg)
Amazon.com: Western Digital 2TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD20EFAX : Electronics
![Amazon.com: Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX : Electronics Amazon.com: Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX : Electronics](https://m.media-amazon.com/images/I/712voXb5bDL.jpg)
Amazon.com: Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX : Electronics
![Amazon.com: Synology 2 Bay NAS DiskStation DS220j (Diskless), 2-Bay; 512MB DDR4 & Seagate IronWolf 2TB NAS Internal Hard Drive HDD – Frustration Free Packaging (ST2000VN004) : Electronics Amazon.com: Synology 2 Bay NAS DiskStation DS220j (Diskless), 2-Bay; 512MB DDR4 & Seagate IronWolf 2TB NAS Internal Hard Drive HDD – Frustration Free Packaging (ST2000VN004) : Electronics](https://m.media-amazon.com/images/I/31WnJmzxvgL._AC_.jpg)