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Preface: I own one of these drives, and have been using it nearly every day for about 5 months now. There are very few options for high-capacity SSDs on the market, and Samsung seems to be the only company taking good care of this space. At around 4 terabytes, your main selections are either the Samsung Evo 850, or this Samsung PM863A. I wish I could upload a picture to this review, but I can't, so I will type out the specs I get for this drive running inside an HP Pavilion 15t with a Kaby Lake i7-7700HQ CPU. Yes, the speed of your CPU will have a direct bearing on the overall speed of the drive: if you have a slow CPU, the drive will not operate as fast as it will when using a faster CPU: 5 r/w tests, 1GiB filesize Read [MB/s] Write [MB/s] Seq Q32T1 536.8 498.9 4K Q32T1 386.5 338.9 Seq 521.0 479.0 4K 34.32 127.9 Trust me, the numbers above are really great considering this is a SATA III drive. They are pretty close to as high as they can get for the (limited compared to NVMe) SATA interface. The fact that, on average, you get this drive for $300 - $500 less than the 4TB Evo drive makes it a bargain. I am not sure about the length of the warranty between the two drives - meaning if you purchase a new Evo, of course you will get a more solid warranty than purchasing a used PM863A - but SSDs are usually such that, if it works for the first 30-60 days you own it, it should continue working for many years. I have SSDs that are over 5 years old and, while they are a bit slower compared to modern SATA III SSDs, they are still chugging along. In any event, this is a great drive: performance is comparable to its competition, and its lower price absolutely makes it bargain. If you are looking for a high-capacity SSD and want to save more than a few bucks, I wholeheartedly recommend taking a good look at this drive. You won't be disappointed.Read full review
Verified purchase: No
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Verified purchase: Yes | Condition: Pre-owned
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