![Amazon.com: Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX : Electronics Amazon.com: Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX : Electronics](https://m.media-amazon.com/images/I/710aEelzoRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX : Electronics
![Seagate IronWolf 4TB Internal SATA NAS Hard Drive with Rescue Data Recovery Services ST4000VNA08 - Best Buy Seagate IronWolf 4TB Internal SATA NAS Hard Drive with Rescue Data Recovery Services ST4000VNA08 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6387/6387157_sd.jpg;maxHeight=640;maxWidth=550)
Seagate IronWolf 4TB Internal SATA NAS Hard Drive with Rescue Data Recovery Services ST4000VNA08 - Best Buy
![Seagate Ironwolf Pro vs WD Red Pro vs Synology HAT5300 Hard Drives – Best for your NAS? – NAS Compares Seagate Ironwolf Pro vs WD Red Pro vs Synology HAT5300 Hard Drives – Best for your NAS? – NAS Compares](https://nascompares.com/wp-content/uploads/2022/06/Seagate-Ironwolf-Pro-vs-WD-Red-Pro-vs-Synology-HAT5300-Hard-Drives-nascompares.webp)
Seagate Ironwolf Pro vs WD Red Pro vs Synology HAT5300 Hard Drives – Best for your NAS? – NAS Compares
![Amazon.com: Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX) : Electronics Amazon.com: Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX) : Electronics](https://m.media-amazon.com/images/I/51z-0u+2dTL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX) : Electronics
Wd Red Wd40efax 4 Tb Hard Drive - 3.5" Internal - Sata (sata/600) - Storage System Device Supported - 5400rpm : Target
![Amazon.com: Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage, Rescue Services – Frustration Free Packaging (ST4000VNZ06) : Electronics Amazon.com: Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage, Rescue Services – Frustration Free Packaging (ST4000VNZ06) : Electronics](https://m.media-amazon.com/images/I/71SAuEK-ZYL.jpg)