Samsung 850 evo 120gb review & specs


The Samsung 850 Evo is one of the most popular SSDs around, & with good reason. Thanks lớn its blistering speeds, five-year guarantee và best-in-class endurance rating, it"s sat near the top of most SSD roundups ever since it first came out at the end of 2014. If your PC"s been feeling a bit sluggish lately, thenthe Samsung 850 Evo will almost certainly give it a much-needed boost.

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Having said that, Samsung"s just replaced the 850 Evo with the newer 860 Evo. There"s not actually a huge amount of difference between them speed-wise, but the 860 Evodoubles down on the 850 Evo"s already excellent endurance levels & takes it to lớn the next level. That"s not lớn say you shouldn"t still consider a Samsung 850 Evo, though, as those in the UK will find it a much better buy than its newer sibling.In the US, it"s a different story, as 850 Evo stock has pretty much already dried up, making the 860 Evo the obvious choice. Still, if you"re looking for a new SSD and live in the UK, then read on, as the 850 Evo is still a pretty tough act to lớn beat while it"s still available.

More affordable than its closely related sibling, the Samsung 850 Pro, the 850 Evois still pretty damn fast, with Samsung claiming sequential read and write speeds of up to lớn 540MB/s & 520MB/s respectively. Admittedly, those figures require a bit of fiddling with Samsung"s additional features, but even with its TurboWrite tech & Rapid mode left switched off, I recorded a sequential read tốc độ of 512.51MB/s và sequential write speed of 498.56MB/s in the AS SSD benchmark.

That said, sequential read & write speeds aren"t really the best indicator of real-world performance. This is because, as the name implies, sequential tests read và write files in a neat little line one after the other in adjacent locations. Most of the time, though, SSDs function a bit like a messy bedroom, with files thrown haphazardly into any available nook and cranny with no rhyme or reason to lớn their overall placement. As a result,random tests are a much better gauge of how fast an SSD"s actually going khổng lồ bein everyday use. The catch is that theseresultsare quite a bit slower than sequential speeds, và Samsung helpfully doesn"t provide these sorts of figures because they"re not the equivalent of an SSD show home.

Indeed, the 850 Evo"s random 4K chạy thử results, where it reads và writes 1GB of randomly selected 4KB files across the SSD, don"t make for great reading by comparison, coming in at just 41.70MB/s read & 98.11MB/s write. However, while the figures themselves don"t lookamazing on paper, they"re still pretty much neck-and-neck with the 860 Evo, as you can see below.

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The Samsung 850 Evo also wasn"t far behind in CrystalDiskMark"s more strenuous random 4K 8-queue-8-thread test, which mimics the kind of workload you might see on a server or workstation.Here, the 850 Evo managed a read time of 401.1MB/s and a write time of 360.0MB/s, while the 860 Evo just edged ahead with 403.3MB/s và 360.5MB/s.

As a result, you"d probably be perfectly happy choosing either SSD for your PC, as I think you"d be hard-pushed lớn tell the difference in overall tốc độ or OS responsiveness. Instead, it really comes down cold hard cash, as there"s no point paying over the odds for a fast SSD when a potentially cheaper one can vày the same job just as well.


In the UK, the 850 Evo is the clear choice, costing£80for 250GB and£122for 500GB. By contrast, the 860 Evo costs£90for 250GB and£162for 500GB, with prices only getting further apart as you go beyond 1TB. In the US, however, the 850 Evo is almost impossible khổng lồ get hold of now,making the860 Evo the winner by default.

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Those looking for a real bargain should probably also consider the Crucial BX300, but at this end of the spectrum the 850 Evois still a great buywhen faced with the likes of the marginally slowerCrucial MX500and slightly cheaper WD Blue 3d NAND. Get one now before it"s gone forever.