![Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics](https://m.media-amazon.com/images/I/71n++WwxSnL.jpg)
Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics
Western Digital WD4000FYYZ-01UL1B1 4TB 7200 RPM 64MB Cache SATA 6Gb/s 3.5" HDD - Effective Electronics
![Western Digital Ultrastar DC HC310 HUS726T4TALA6L4 (0B35950) 4TB 7200RPM 256MB Cache SATA 6Gb/s 3.5" Data Western Digital Ultrastar DC HC310 HUS726T4TALA6L4 (0B35950) 4TB 7200RPM 256MB Cache SATA 6Gb/s 3.5" Data](https://cdn3.volusion.com/ovay6.hxgv9/v/vspfiles/photos/G01-1328-2.jpg?v-cache=1585840410)
Western Digital Ultrastar DC HC310 HUS726T4TALA6L4 (0B35950) 4TB 7200RPM 256MB Cache SATA 6Gb/s 3.5" Data
![STMFSND2CLAR4000 – Data Domain 4TB 7200 RPM SAS 3.5″ HDD for Data Domain ES30 15 bay enclosure – Disk Drive Finder STMFSND2CLAR4000 – Data Domain 4TB 7200 RPM SAS 3.5″ HDD for Data Domain ES30 15 bay enclosure – Disk Drive Finder](https://www.diskdrivefinder.com/wp-content/uploads/2022/10/110060-1.jpg)
STMFSND2CLAR4000 – Data Domain 4TB 7200 RPM SAS 3.5″ HDD for Data Domain ES30 15 bay enclosure – Disk Drive Finder
![Seagate ST4000NM0035 Exos Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512n SATA 6Gb/s 128MB Cache Internal Hard Drive - TechnoDeals USA Seagate ST4000NM0035 Exos Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512n SATA 6Gb/s 128MB Cache Internal Hard Drive - TechnoDeals USA](https://cdn11.bigcommerce.com/s-14ubrv87xh/images/stencil/1280x1280/products/5838/4095/1Z4-002P-00141-V01__70669.1622661643.jpg?c=2)
Seagate ST4000NM0035 Exos Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512n SATA 6Gb/s 128MB Cache Internal Hard Drive - TechnoDeals USA
![Amazon.com: Toshiba 4TB 3.5" SATA 6Gb/s 7200 RPM 128M Enterprise Hard Drive - MG04ACA400N : Electronics Amazon.com: Toshiba 4TB 3.5" SATA 6Gb/s 7200 RPM 128M Enterprise Hard Drive - MG04ACA400N : Electronics](https://m.media-amazon.com/images/I/51h+5DGg9mL.jpg)
Amazon.com: Toshiba 4TB 3.5" SATA 6Gb/s 7200 RPM 128M Enterprise Hard Drive - MG04ACA400N : Electronics
![Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics](https://m.media-amazon.com/images/I/81rjv52AO6L.jpg)
Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics
![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
![Seagate Brand 4tb Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm 128mb Buffer Internal Hard Drives - Hard Disk Drive - AliExpress Seagate Brand 4tb Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm 128mb Buffer Internal Hard Drives - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/H8cefe735c11a44bf86b0572ccc84bbfeJ/Seagate-Brand-4TB-Desktop-PC-3-5-Internal-Mechanical-Hard-disk-SATA-6Gb-s-HDD-7200.jpg_Q90.jpg_.webp)
Seagate Brand 4tb Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm 128mb Buffer Internal Hard Drives - Hard Disk Drive - AliExpress
![Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics](https://m.media-amazon.com/images/I/81DRB0+o1eL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics
![Seagate Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512e SAS 12Gb/s 128MB Cache Internal Hard Drive ST4000NM0125 - Newegg.com Seagate Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512e SAS 12Gb/s 128MB Cache Internal Hard Drive ST4000NM0125 - Newegg.com](https://c1.neweggimages.com/ProductImage/22-179-058-Z01.jpg)
Seagate Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512e SAS 12Gb/s 128MB Cache Internal Hard Drive ST4000NM0125 - Newegg.com
![Dell 4TB 7200RPM SATA III 3.5-inch OEM Desktop Hard Drive 9PR63 Seagate PN ST4000NM0033 - Star Micro Inc Dell 4TB 7200RPM SATA III 3.5-inch OEM Desktop Hard Drive 9PR63 Seagate PN ST4000NM0033 - Star Micro Inc](https://cdn11.bigcommerce.com/s-0yiknm/images/stencil/1280x1280/products/15708/24940/Seagate_4TB__77178.1663282147.jpg?c=2)