Samsung 840 Pro SSD review: Samsung 840 Pro SSD - CNET
Samsung SSD 840 Review (TLC) - StorageReview.com
Samsung's 840 Series SSD reviewed | Ars Technica
Amazon.com: Samsung Electronics 840 EVO-Series 500GB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive MZ-7TE500BW : Electronics
Samsung 840 series review: High-end entry-level SSDs - CNET
Samsung EVO 840 series may still suffer from performance degradation. 840 EVO owners, please take the time to verify you are not suffering from lousy read speeds! : r/pcgaming