![Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics](https://m.media-amazon.com/images/I/61IaXAJvqgL.jpg)
Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics
![WD AV WD5000AURX 500GB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com WD AV WD5000AURX 500GB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com](https://c1.neweggimages.com/productimage/nb640/22-236-406-Z01.jpg)
WD AV WD5000AURX 500GB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com
![Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics](https://m.media-amazon.com/images/I/61IaXAJvqgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital WD Purple Harddisk 3.5" 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX : Electronics
![Amazon.com: WD Green 6TB 3.5-Inch SATA 6.0Gb/s IntelliPower 64MB Cache Hard Drive (WD60EZRX) : Electronics Amazon.com: WD Green 6TB 3.5-Inch SATA 6.0Gb/s IntelliPower 64MB Cache Hard Drive (WD60EZRX) : Electronics](https://m.media-amazon.com/images/I/91lEqdLYqyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD Green 6TB 3.5-Inch SATA 6.0Gb/s IntelliPower 64MB Cache Hard Drive (WD60EZRX) : Electronics
![Amazon.com: (Old Model) WD Green 1TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD10EZRX : Electronics Amazon.com: (Old Model) WD Green 1TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD10EZRX : Electronics](https://m.media-amazon.com/images/I/71mDZtgF7SL._AC_UF894,1000_QL80_.jpg)
Amazon.com: (Old Model) WD Green 1TB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD10EZRX : Electronics
![Western Digital AV-GP WD20EURX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard Drive - 3 Year Warranty - Walmart.com Western Digital AV-GP WD20EURX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard Drive - 3 Year Warranty - Walmart.com](https://i5.walmartimages.com/asr/59d6e9ea-2c7f-4e82-afea-f859abbca96c.b78a2c5d20a193575938efccce6cb541.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Western Digital AV-GP WD20EURX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard Drive - 3 Year Warranty - Walmart.com
![Western Digital AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA 6Gb/s 3.5in Internal Hard Drive - 2 Years Warranty - Walmart.com Western Digital AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA 6Gb/s 3.5in Internal Hard Drive - 2 Years Warranty - Walmart.com](https://i5.walmartimages.com/seo/Western-Digital-AV-GP-WD10EURX-1TB-IntelliPower-64MB-Cache-SATA-6Gb-s-3-5in-Internal-Hard-Drive-2-Years-Warranty_0d2e0e22-1d9b-4d32-b56b-8b5ace0c33ca.142b7e1ff7802a5feff80814a2be210b.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Western Digital AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA 6Gb/s 3.5in Internal Hard Drive - 2 Years Warranty - Walmart.com
![NeweggBusiness - WD Green WD10EZRX 1TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive NeweggBusiness - WD Green WD10EZRX 1TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive](https://c1.neweggimages.com/NeweggImage/productimage/22-236-070-08.jpg)
NeweggBusiness - WD Green WD10EZRX 1TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
![Amazon.com: WD Bare Drives 2TB WD Green SATA III Intellipower 8 MB Cache Bulk/OEM Hard Drive WD20NPVX : Electronics Amazon.com: WD Bare Drives 2TB WD Green SATA III Intellipower 8 MB Cache Bulk/OEM Hard Drive WD20NPVX : Electronics](https://m.media-amazon.com/images/I/51fWNkQqA1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD Bare Drives 2TB WD Green SATA III Intellipower 8 MB Cache Bulk/OEM Hard Drive WD20NPVX : Electronics
![Amazon.com: Western Digital AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5in Internal Hard Drive [Renewed]- w/1 Year Warranty : Electronics Amazon.com: Western Digital AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5in Internal Hard Drive [Renewed]- w/1 Year Warranty : Electronics](https://m.media-amazon.com/images/I/61iF70-PkdL.jpg)
Amazon.com: Western Digital AV-GP WD10EURX 1TB IntelliPower 64MB Cache SATA III 6.0Gb/s 3.5in Internal Hard Drive [Renewed]- w/1 Year Warranty : Electronics
![Amazon.com: WD Purple 2 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics Amazon.com: WD Purple 2 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics](https://m.media-amazon.com/images/I/51b4KsYaFGL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD Purple 2 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics
![Amazon.com: Western Digital 1.5 TB Caviar Green SATA Intellipower 32 MB Cache Bulk/OEM Desktop Hard Drive WD15EADS : Electronics Amazon.com: Western Digital 1.5 TB Caviar Green SATA Intellipower 32 MB Cache Bulk/OEM Desktop Hard Drive WD15EADS : Electronics](https://m.media-amazon.com/images/I/71H2iY6EcCL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital 1.5 TB Caviar Green SATA Intellipower 32 MB Cache Bulk/OEM Desktop Hard Drive WD15EADS : Electronics
![Amazon.com: WD Purple NV 4TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4NPURX : Electronics Amazon.com: WD Purple NV 4TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4NPURX : Electronics](https://m.media-amazon.com/images/I/81rvvyp+35L.jpg)
Amazon.com: WD Purple NV 4TB Surveillance Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4NPURX : Electronics
![Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics](https://m.media-amazon.com/images/I/81py5g+it9L.jpg)
Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics
![Amazon.com: WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics Amazon.com: WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 RPM : Electronics](https://m.media-amazon.com/images/I/71d0vImsbeL._AC_UF894,1000_QL80_.jpg)