Samsung starts mass-producing PCIe 3.0 SSD


— 5:52 PM on January 6, 2015

Remember the mini NVM Express drive Samsung teased during its SSD Global Summit last summer? Well, the SM951 is now in mass production—and it's very fast indeed. The four-lane PCIe 3.0 drive is rated to hit sequential speeds of 2150MB/s with reads and 1550MB/s with writes. When the drive is paired with a Gen2 interface, those top speeds fall to 1600MB/s and 1350MB/s, respectively, which is still pretty quick for an M.2 2280 gumstick.


Source: Samsung

Gen3 connectivity conveys energy efficiency benefits, Samsung says, and the SM951 also supports an ultra-low-power mode called L1.2. In this state, "all high-speed circuits" are turned off, and power consumption drops to just two milliwatts.

The SM951 is available in 128GB, 256GB, and 512GB capacities, but only to big-name system builders. Expect to see the drive tucked into high-end notebooks and workstations before too long. If its predecessor is any indication, the SM915 could eventually become available at online retailers like Newegg, as well. Fingers crossed.

   
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