 "Seagate BarraCuda 2TB SATA III 3.5" Hard Drive" Drive - 7200RPM 64MB ST2000DM006 | CCL Computers"
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                                Seagate brings over 20 years of trusted performance and reliability to the Seagate BarraCuda 3.5 inch HDDs-now available in capacities up to 4TB. Versatile mix of capacity and price point options to fit any budget. Multi-Tier Caching technology for excellent hard drive performance. BarraCuda leads the industry with the highest capacities for desktops and mobile computers.The uncompromising BarraCuda marries industry-leading storage capacity with 7,200 RPM spin speeds for snappy performance and load times when gaming or performing heavy workloads. 

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 "WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch WD40EZRZ"@en-US "Data Storage Page | Laptops Outlet Direct"@en-US
"WD Blue PC Hard Drives. High Capacity, Proven Reliability. WD expands their award-winning desktop and mobile storage lineup with WD Blue PC hard drives. Extensively tested and built to WD's high standards, WD Blue offers a wide variety of capacities-ranging from 250 GB to the massive 6 TB-in both desktop and mobile models. Drive WD Blue with confidence-our colors never fade."@en-US 