From InfoWorld: Samsung on Monday announced what it is calling the first multi-terabyte consumer solid-state drive (SSD), which will offer 2TB of capacity in a 2.5-inch form factor for laptops and desktops.
The new 850 Pro and 850 EVO SSDs double the maximum capacity of their predecessors.
As with the previous 840 Pro and EVO models, Samsung used its 3D V-NAND technology, which stacks 32 layers of NAND atop one another in a microscopic skyscraper that offers vastly greater flash memory density. Additionally, the drives take advantage of multi-level cell (MLC) and triple-level cell (TLC) (2- and 3-bit per cell) technology for even greater density.
The new 850 SSD Pro and EVO drives remain in the same 7mm, 2.5-inch aluminum case as their predecessors did. The capacities include 120GB, 250GB, 500GB, 1TB, and 2TB models.
The 850 Pro is designed for power users and client PCs that may need higher performance with up to 550MBps sequential read and 520MBps sequential write rates and up to 100,000 random I/Os per second (IOPS). The 850 EVO SSD has slightly lower performance with 540MBps and 520MBps sequential read/write rates and up to 90,000 random IOPS.
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