Samsung SM951 128GB And 256GB SSD Review
Samsung's SM951 is the hottest storage product on the market. Today we look at the two smaller versions, both of which still perform better than SATA.
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Sequential Write


The difference in sequential write performance between the three SM951s is significant. That wave in the 512GB model's output could be due to thermal throttling. We ran the test several times and came away with the same pattern. The SM951's controller runs cooler than the XP941's. As a major manufacturer, Lenovo could have asked Samsung to build a drive with a lower TDP for its Ultrabooks.
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Chris Ramseyer was a senior contributing editor for Tom's Hardware. He tested and reviewed consumer storage.