WD® a long-time leader in hard drive technology designs and manufactures the #1 selling internal and external hard drives and award-winning media players and network drives

• Provides fast and dependable access to data and has non-volatile memory
• Internal drive type for maximum efficiency and dependability
• With 4 TB capacity you have ample space for storing millions of images, hundreds of hours of video or for music lovers, up to a million songs
• Have data stored faster with SATA/600 interface that optimizes burst performance
• Experience rapid processing speed with 64 MB cache buffer
• 3.5" form factor for your convenience and simplicity of usage