SAMSUNG 840 EVO 250GB Solid State Drive SSD SATA 6Gb/s 2.5" Internal MZ-7TE250 675903587929 | eBay
Samsung Acknowledges the SSD 840 EVO Read Performance Bug - Fix Is on the Way
goHardDrive.com - Samsung 840 Pro 512GB 2.5-inch SATA III (6.0Gb/s) Internal Solid State Drive (SSD) (MZ-7PD512) - Certified Refurbished -3 Years Warranty
Samsung's 840 Evo repair tool available to download, but be careful of the caveats when you update - ExtremeTech
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Samsung 840 EVO Three-layer Cell Solid State Drives