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Western Digital Internal Hard Drives

Backing up your computer? Need additional storage? Expand your digital storage capacity with an internal hard drive from one of our many top-notch brands. Internal hard drives are typically intended to replace your existing smaller capacity hard drive. If you have a desktop computer, internal hard drives are also great for adding storage capacity to your exisiting internal hard drive.

Internal hard drives are all MAC and PC compatible. When installing your internal hard drive you have the option to format for use with your PC or MAC computer.

Find the internal hard drive you need from brands you trust. Staples offers internal hard drives from Western Digital and Seagate. The most popular and best selling hard drives are typically Western Digital Caviar Green, Western Digital Caviar Blue, Western Digital Caviar Black, Western Digital Scorpio Blue, Western Digital Scorpio Black, Seagate Barracuda, Seagate Momentus and Seagate Momentus XT. Western Digital internal hard drives and Seagate internal hard drives are quality tested for reliable and optimal performance.

There’s no better way to backup your data or expand your storage capacity then with an internal hard drive from Staples.

More about Western Digital Internal Hard Drives

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3TB / SATA 3.0 (3 Gb/s)IntelliPower / 64MB Cache / 3.5&quot;Massive capacityEach3TB / SATA 3.0 (3 Gb/s)IntelliPower / 64MB Cache / 3.5&quot;Massive capacityWD Caviar Green 3TB SATA 3.0 (3 Gb/s) IntelliPower 3.5&quot; Desktop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541872_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541872_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617808_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541872http://s7d5.scene7.com/is/image/Staples/s0541873_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541873_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541873http://s7d5.scene7.com/is/image/Staples/s0541870_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541870_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541870http://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0541871_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541871_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541871/WD-Caviar-Green-3TB-SATA-30-3-Gb-s-IntelliPower-35-Desktop/product_391828WD Caviar Green 3TB SATA 3.0 (3 Gb/s) IntelliPower 3.5&quot; Desktop Internal Hard Drive3.53 500GB / SATA 3.0 (3 Gb/s)IntelliPower / 32MB Cache / 3.5&quot;Massive capacityEach500GB / SATA 3.0 (3 Gb/s)IntelliPower / 32MB Cache / 3.5&quot;Massive capacityWestern Digital Caviar Green 500GB SATA 3.0 (3 Gb/s) IntelliPower 3.5&quot; Desktop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541876_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541876_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617809_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541876http://s7d5.scene7.com/is/image/Staples/s0541877_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541877_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541877http://s7d5.scene7.com/is/image/Staples/s0541874_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541874_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541874http://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0541875_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541875_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541875/Western-Digital-Caviar-Green-500GB-SATA-30-3-Gb-s-IntelliPower-35/product_391954Western Digital Caviar Green 500GB SATA 3.0 (3 Gb/s) IntelliPower 3.5&quot; Desktop Internal Hard Drive4.01 320GB / SATA 3.0 (3 Gb/s)5400 RPM / 8MB Cache / 2.5&quot;Massive capacityEachWestern Digital Scorpio Blue 320GB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drive320GB / SATA 3.0 (3 Gb/s)5400 RPM / 8MB Cache / 2.5&quot;Massive capacityWestern Digital Scorpio Blue 320GB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541948_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541948_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617811_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541948http://s7d5.scene7.com/is/image/Staples/s0541946_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541946_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541946http://s7d5.scene7.com/is/image/Staples/s0541947_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541947_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541947/Western-Digital-Scorpio-Blue-320GB-SATA-30-3-Gb-s-5400-RPM/product_727970Western Digital Scorpio Blue 320GB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drive4.5116 1TB / SATA 3.0 (3 Gb/s)5400 RPM / 8MB Cache / 2.5&quot;Massive capacityEachWestern Digital Scorpio Blue 1TB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drive1TB / SATA 3.0 (3 Gb/s)5400 RPM / 8MB Cache / 2.5&quot;Massive capacityWestern Digital Scorpio Blue 1TB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541948_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541948_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617813_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541948http://s7d5.scene7.com/is/image/Staples/s0541946_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541946_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541946http://s7d5.scene7.com/is/image/Staples/s0541947_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541947_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541947/Western-Digital-Scorpio-Blue-1TB-SATA-30-3-Gb-s-5400-RPM/product_798143Western Digital Scorpio Blue 1TB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drive4.54 500GB Storage Capacity3.5&quot; Hard Drive for desktop PC and Mac&reg; computersSerial ATA (SATA) 3Gb/s interface<li>NoTouch&trade; ramp load technology; recording head never touches the disc media ensuring less wear and better drive protection</li>EachSATA Desktop Hard Drive500GB Storage Capacity3.5&quot; Hard Drive for desktop PC and Mac&reg; computersSerial ATA (SATA) 3Gb/s interface<li>NoTouch&trade; ramp load technology; recording head never touches the disc media ensuring less wear and better drive protection</li>Western Digital® Caviar® Blue™ 500GB SATA Desktop Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0402325_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0402325_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0402324_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0402325http://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0402327_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0402327_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0402327/Western-Digital-Caviar-Blue-500GB-SATA-Desktop-Hard-Drive/product_682060Western Digital® Caviar® Blue™ 500GB SATA Desktop Hard Drive4.5284 1TB storage capacity3.5&quot; Hard Drive for desktop PC computersSerial ATA (SATA) 3Gb/s interface<li>Reduced power consumption allows higher capacities with the right balance of system performance, ensured reliability, and energy conservationEachSATA Desktop Hard Drive1TB storage capacity3.5&quot; Hard Drive for desktop PC computersSerial ATA (SATA) 3Gb/s interface<li>Reduced power consumption allows higher capacities with the right balance of system performance, ensured reliability, and energy conservationWestern Digital Caviar Green 1TB SATA 3.0 (3 Gb/s) - Internal Hard Drive (WDBAAY0010HNC)http://s7d5.scene7.com/is/image/Staples/s0541880_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541880_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617812_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541880http://s7d5.scene7.com/is/image/Staples/s0541881_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541881_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541881http://s7d5.scene7.com/is/image/Staples/s0541878_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541878_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541878http://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0541879_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541879_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541879/Western-Digital-Caviar-Green-1TB-SATA-30-3-Gb-s-Internal-Hard/product_760997Western Digital Caviar Green 1TB SATA 3.0 (3 Gb/s) - Internal Hard Drive (WDBAAY0010HNC)4.551 320GB1 x 7-pin Serial ATA/300 Serial ATA7200 rpmEach320GB Black320GB1 x 7-pin Serial ATA/300 Serial ATA7200 rpmWestern Digital Scorpio Black 320GB SATA Notebook Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541884_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541884_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541882_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541884http://s7d5.scene7.com/is/image/Staples/s0541885_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541885_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541885http://s7d5.scene7.com/is/image/Staples/s0541883_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541883_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541883/Western-Digital-Scorpio-Black-320GB-SATA-Notebook-Hard-Drive/product_918223Western Digital Scorpio Black 320GB SATA Notebook Hard Drive5.03 http://www.staples.com/sbd/img/res/ic/ic016-spcbuy.gif1TB storage capacity3.5&quot; Hard Drive for desktop PC and Mac&reg; computersSerial ATA (SATA) 3Gb/s interface<li>Dual processor to maximize performance</li>Offer Expires on 04/13/2013EachSATA Desktop Hard Drive**While supplies last. May not be valid in combination with other offers. Offer subject to change.1TB storage capacity3.5&quot; Hard Drive for desktop PC and Mac&reg; computersSerial ATA (SATA) 3Gb/s interface<li>Dual processor to maximize performance</li>Western Digital® Caviar® Black™ 1TB SATA Desktop Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541958_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541958_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617818_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541958http://s7d5.scene7.com/is/image/Staples/s0541959_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541959_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541959http://s7d5.scene7.com/is/image/Staples/s0541956_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541956_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541956http://www.staples.com/sbd/img/res/ic/ic016-spcbuy.gifhttp://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0541957_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541957_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541957/Western-Digital-Caviar-Black-1TB-SATA-Desktop-Hard-Drive/product_918227Western Digital® Caviar® Black™ 1TB SATA Desktop Hard Drive4.56 500GB / SATA 3.0 (3 Gb/s)5400 RPM / 8MB Cache / 2.5&quot;Massive capacityEach500GB / SATA 3.0 (3 Gb/s)5400 RPM / 8MB Cache / 2.5&quot;Massive capacityWestern Digital Scorpio Blue 500GB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0541951_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541951_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0617814_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541951http://s7d5.scene7.com/is/image/Staples/s0541949_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541949_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541949http://s7d5.scene7.com/is/image/Staples/s0541950_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541950_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541950/Western-Digital-Scorpio-Blue-500GB-SATA-30-3-Gb-s-5400-RPM/product_846078Western Digital Scorpio Blue 500GB SATA 3.0 (3 Gb/s) 5400 RPM 2.5&quot; Laptop Internal Hard Drive5.014 2TB / SATA 3.0 (3 Gb/s)IntelliPower / 32MB Cache / 3.5&quot;Massive capacityEachSATA Desktop Hard Drive2TB / SATA 3.0 (3 Gb/s)IntelliPower / 32MB Cache / 3.5&quot;Massive capacityWestern Digital Caviar Green 2TB SATA 3.0 (3 Gb/s) IntelliPower 3.5&quot; Desktop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0405652_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0405652_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0405653_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0405652http://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0405654_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0405654_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0405654/Western-Digital-Caviar-Green-2TB-SATA-30-3-Gb-s-IntelliPower-35/product_918225Western Digital Caviar Green 2TB SATA 3.0 (3 Gb/s) IntelliPower 3.5&quot; Desktop Internal Hard Drive4.52 2TB storage capacity3.5&quot; Hard Drive for desktop PC and Mac&reg; computersSerial ATA (SATA) 3Gb/s interface<li>Dual processor to maximize performance</li>EachSATA Desktop Hard Drive2TB storage capacity3.5&quot; Hard Drive for desktop PC and Mac&reg; computersSerial ATA (SATA) 3Gb/s interface<li>Dual processor to maximize performance</li>Western Digital Caviar Black 2TB SATA 3.0 (3 Gb/s) 7200 RPM 3.5&quot; Desktop Internal Hard Drivehttp://s7d5.scene7.com/is/image/Staples/s0405968_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0405968_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0405966_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0405968http://www.staples.com/sbd/img/res/ic/ic016-windows.gifhttp://www.staples.com/sbd/img/res/ic/ic016-mac.gifhttp://s7d5.scene7.com/is/image/Staples/s0405967_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0405967_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0405967/Western-Digital-Caviar-Black-2TB-SATA-30-3-Gb-s-7200-RPM/product_918221Western Digital Caviar Black 2TB SATA 3.0 (3 Gb/s) 7200 RPM 3.5&quot; Desktop Internal Hard Drive0.00 2TB / SATA 3.0 (3 Gb/s)- / - Cache / 3.5&quot;2 TB Hard Drive Kit For WD Sentinel DX40002TB / SATA 3.0 (3 Gb/s)- / - Cache / 3.5&quot;2 TB Hard Drive Kit For WD Sentinel DX4000Western Digital WD Sentinel DX4000 2TB SATA 3.0 (3 Gb/s) - 3.5&quot; Desktop Internalhttp://s7d5.scene7.com/is/image/Staples/s0612047_sc7?$thb$/Western-Digital-WD-Sentinel-DX4000-2TB-SATA-30-3-Gb-s-35/product_984739Western Digital WD Sentinel DX4000 2TB SATA 3.0 (3 Gb/s) - 3.5&quot; Desktop Internal0.00 3TB / SATA 3.0 (3 Gb/s)- / - Cache / 3.5&quot;3 TB Hard Drive Kit For WD Sentinel DX40003TB / SATA 3.0 (3 Gb/s)- / - Cache / 3.5&quot;3 TB Hard Drive Kit For WD Sentinel DX4000Western Digital WD Sentinel DX4000 3TB SATA 3.0 (3 Gb/s) - 3.5&quot; Desktop Internalhttp://s7d5.scene7.com/is/image/Staples/s0541905_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541905_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541906_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541905http://s7d5.scene7.com/is/image/Staples/s0541907_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0541907_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0541907/Western-Digital-WD-Sentinel-DX4000-3TB-SATA-30-3-Gb-s-35/product_984738Western Digital WD Sentinel DX4000 3TB SATA 3.0 (3 Gb/s) - 3.5&quot; Desktop Internal0.00