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WD20EARS-00MVWB0 Western Digital SATA 3.0 Gbps 2TB Hard Drive
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WD Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0GB/S 3.5" Internal OEM HDD - Walmart.com
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Western Digital WD30PURX - 3TB 5.4K RPM 64MB Cache 6G SATA 3.5" Hard Drive - CPU Medics
Cheap Western Digital WD20EARS 2TB 7.2K RPM SATA II | Refurbished
WL 4TB 64MB Cache 7200RPM (Enterprise Grade) SATA 6Gb/s 3.5" Internal Hard Drive | eBay
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WL 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5" Internal Hard Drive - Desktop PC/MAC | eBay
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WD BLUE 1TB HDD SATA / 64MB Cache, WD10EZEX, DeskTop 1000 GB Hard Drive | eBay