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Samsung 850 Pro 512GB Review

What is a Samsung 850 Pro?

The latest flagship SSD from Samsung is a high-end expostulate that’s designed to pound opening barriers interjection to some innovative new record – a pointer of what’s probable when one organisation controls a whole prolongation line.

This expostulate is also some-more justification that a SSD marketplace has grown from a low-capacity, high-price origins. This might be a flagship product, though a 512GB representation will cost we £294 – a reasonable 57p per gigabyte. It’s a satisfactory approach private from high-end drives that used to cost £1 or some-more per gigabyte.

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Samsung 850 Pro: Under a Hood

Samsung has sealed and installed a 850 Pro with a large creation that it’s job 3D V-NAND. It outlines a biggest change that’s strike a SSD NAND marketplace in years, and it goes over a common changes we see, where transistors are done smaller in sequence to fit some-more into a drive.

Instead of usually cramming some-more into a plane formation, 3D V-NAND lines a transistors adult in straight layers, too.

It’s a large change that creates lots of sense. It means that Samsung can implement a outrageous series of transistors though shortening a distance of a production routine – so 3D V-NAND doesn’t confront a electricity leaks, opening inefficiencies and aloft costs compared with squeezing smaller transistors into a normal plane structure.

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The transistors layered adult in a 850 Pro’s 3D V-NAND are formed on a 40nm production process, that is most incomparable than a 20nm or next found in competing drives. Ordinarily, that would sound bad – though a layered complement means Samsung has a oppulance of regulating these transistors while still being means to embody a outrageous series inside a latest drive.
 
Elsewhere, Samsung hasn’t had to work so hard. The triple-core MEX controller is a same chip that powered final year’s 840 Pro drive, nonetheless it’s been given a medium 100MHz speed boost. There’s a 512MB cache done from low-power DDR2 – a same volume and form as was enclosed on a aged drive.

Samsung’s expostulate impresses with an continuation rating of 150TB. That’s superb: other high-end drives, such as Intel’s 730 Series and a SanDisk Extreme Pro aren’t rated usually for over 100TB.

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