 "WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 128MB Cache 3.5 Inch WD6001FZWX"@en-US "Data Storage Page 21 | Laptops Outlet Direct"@en-US
"WD Black performance storage is designed to enhance your PC experience across heavier computing tasks whether you are a digital artist, video editor, photographer, or gamer. Available with an impressive 128 MB of DRAM cache on higher capacity models, the WD Black drive is optimized for drive performance so you can spend more time experiencing the things you love most. Enhance your PC's performance even further when you combine a WD Black drive with an SSD for a dual drive configuration, allowing you to benefit from the additional caching of your operating system onto the SSD for increased performance. All together, the WD Black drive gives you the hard drive performance, capacity and an industry leading 5-year limited warranty for an inspiring three-in-one storage solution."@en-US 
 "WD Blue WD5000AZLX - hard drive 500 GB SATA 6Gb/s" " WD 6Gb/s Internal Desktop Hard Drives CDWG.com
"Built to WD's highest standards of quality and reliability, WD Blue offers the features and entry-level capacities that are ideal for your computing needs. WD Blue is designed by the brand that you trust with the quality you would expect for a tested, proven, everyday storage solution.WD Blue storage is designed and manufactured with technology found in WD's original award-winning desktop and mobile hard drives. WD Blue sets the baseline for everyday storage by consistently delivering improved performance over previous generations while successfully maintaining WD's quality and reliability for over six generations. The difference is that their colors never fade, generation after generation.WD Blue is available in a broad range of entry-level capacities, cache sizes, form factors and interfaces so you can be sure there's a drive that's the perfect fit for your system. However, not all hard drives are created equally and for your applications that demand more, WD gives you the power of choice." 