Samsung Brings 3D NAND to Mainstream with 850 Evo SSD Line

[[Coi] Mr.CLuBBeR]

New SSD line starts at $100

Samsung's 3D Vertical NAND (V-NAND) technology is no longer reserved for just its premium solid state drives (SSDs). With the introduction of its affordable 850 Evo SSD family, mainstream customers now have access to the same technology that was previously only found in Samsung's 850 Pro line released earlier this year. What that ultimately means for consumers is access to SSDs that are presumably more reliable and less expensive.
As opposed to the 2D planar NAND found in the 840 Evo, Samsung's new 850 Pro utilizes NAND flash memory stacked vertically 32 layers high. This allows for higher density in the same or smaller packages, and also improved reliability since the NAND cells that store bits aren't packed so tightly together. According to Samsung, drive endurance in the 850 Evo line is twice that of its predecessor, along with a 25 percent improvement in power efficiency.
The Samsung 850 Evo series comes in 1TB, 500GB, 250GB, and 120GB capacities. All four capacities sport the following performance ratings:

• Sequential Read: Up to 540MB/s
• Sequential Write: Up to 520MB/s
• 4KB Random Read (QD1): Up to 10,000 IOPS
• 4K Random Write (QD!): Up to 40,000 IOPS

The 1TB and 500GB capacities also offer 4KB random read (QD32) performance of up to 98,000 IOPS, while the 250GB and 120GB boast up to 97,000 IOPs and up to 94,000 IOPs, respectively. For 4KB random write (QD32) performance, the 1TB and 500GB are rated for up to 90,000 IOPS, while the 250GB and 120GB are both rated for up to 88,000 IOPS.
Pricing for the 850 Evo has been set at $100 (120GB), $150 (250GB), $270 (500GB), and $500 (1TB).
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