Western Digital WD10EARS 1TB SATA 64MB Cache Hard Drive WD Caviar Green | eBay
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WL 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5" Internal Hard Drive - Desktop PC/MAC | eBay
WD Purple WD10PURX 1TB Surveillance 3.5" Internal SATA Hard Drive
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WD Blue 2TB Desktop Hard Disk Drive - 5400 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20EZRZ by Western Digital - Walmart.com
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WD 500GB 7200RPM SATA 6Gb/s 64MB Cache 3.5 inch WD5003ABYZ Hard Drive
Western Digital WD20EFRX - 2TB 5.4K RPM 64MB Cache SATA 3.5" Hard Drive - WD Red NAS - CPU Medics
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WD Caviar Black WD1002FAEX 1TB 7200 RPM 3.5" Internal HDD - Newegg.com
WD Purple Surveillance Hard Drive 2TB SATA 64MB Cache, 3.5" Internal Hard Drive WD23PURZ
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Western Digital AV-GP WD20EURX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard
![Amazon.com: WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version] (Certified Refurbished) : Electronics](https://m.media-amazon.com/images/I/71Wm7Z624OL.jpg "Amazon.com: WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version] (Certified Refurbished) : Electronics")