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WD Blue vs. Black vs. Green Hard Drive Comparison – What's the Difference? | GamersNexus - Gaming PC Builds & Hardware Benchmarks
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WD Red Lineup: Differentiating Features - Western Digital Red Review: Are NAS-optimized HDDs Worth the Premium?
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Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX : Electronics
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