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Samsung introduces 2TB versions of 850 Pro and 850 Evo SSDs

By Jasper Oregas & Koh Wanzi - on 7 Jul 2015, 10:54am

Samsung introduces 2TB versions of 850 Pro and 850 Evo SSDs

Samsung 850 Pro 2TB. (Image Source: Samsung Tomorrow)

Mechanical hard drives may still trump SSDs as the go-to drive for high-capacity storage thanks to their price-to-gigabyte ratio, but that hasn’t stopped Samsung from venturing into the high-capacity SSD market. It has now announced 2TB models for the Samsung 850 Pro and 850 Evo SSDs, effectively proving that consumers may not necessarily have to choose between performance and capacity.

But there’s one thing consumers will have to bear in mind – price. Tipping the scales at US$1,000 and US$800 for the Samsung 850 Pro and 850 Evo models respectively, the new 2TB drives are hardly cheap.

The 2TB 850 Pro and Evo drives use the same 7mm, 2.5-inch aluminium case as their smaller-capacity siblings. They are also equipped with the same 32-layer 128Gb 3D V-NAND flash chips, but will sport an upgraded MHX controller to support the 2TB capacity. The two drives are differentiated by their NAND type – the 850 Pro uses more durable MLC V-NAND, while the 850 Evo uses TLC V-NAND.

However, the 850 Evo has an SLC write buffer that is implemented in relation to the overall drive capacity. As a result, the SLC cache is rather large on the 2TB model, so the drive delivers excellent write performance that belies its use of TLC NAND.

In addition, the 2TB models feature 2GB of Samsung LPDDR3 RAM, an improvement over the less power efficient LPDDR2 RAM used in the smaller-capacity models.

The 2TB Samsung 850 Pro will ship with a 10-year warranty, while the 850 Evo will come with a 5-year warranty.

Source: Samsung Tomorrow via Tom's Hardware