SAMSUNG 850 PRO

  

 

Courtesy Samsung

Samsung 850 Pro

Solid-state drives (SSDs) are more reliable than their spinning-disk counterparts, but they still have one major limitation: They can be written to only a certain number of times before risking failure. In the 850 Pro, Samsung engineers pioneered a new drive structure that stacks layers of transistors on top of one another rather than spreading them horizontally. As a result, the drive can handle 40 gigabytes of daily read/write cycles for 10 years—double that of competitors. From $110 Samsung