Samsung 860 QVO SSDs 1TB, 2TB and 4TB Spotted At Really Low Prices
Samsung recently announced that they would be releasing QLC NAND based SSDs. TLC writes three bits per cell, QLC writes 4-bits per cell. New products named Samsung 860 QVO are surfacing everywhere right now at etailers in volume sizes of 1TB, 2TB, and 4 TB. And the prices look to be very sweet.
French online store NASexpert, for example, is listing three models, with sizes of Samsung 860 1, 2 and 4 TB QVO (Quality & Value Optimized SSD). The 1 Terabyte SATA-SSD would cost 118 euros, the 2 TB SSD would sell at 226 euros and the 4 TB variant is only 452 euros.
Endurance could be a thing with the new QLC drives, albeit we doubt it. Computerbase writes that the new SSDs can deal with up to 1,440 Terabytes, that most likely is the 4 TB model, so if you half that by size that is 720 TBW for the 2TB model and 360 TBW for the 1 TB model. In pale comparison, the Samsung 860 Evo (4 TB model) has an endurance of 2,400 terabytes written. Overall, the TBW values seem to be half that of the EV. Another difference is the warranty. The 860 Evo has a 5-year warranty, while the 860 QVO has a 3-year warranty. They also mention that random reads are listed at 96,000 IOPS, and random writes ay 89,000 IOPS. The maximum read speed would be 550 MB/second, and the maximum write speed would be 520 MB/s. NASexpert reports that the SSDs will probably be available in December.
Of course, you will read all the juicy details once we post our review.
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The description seems a little off, but hey, 3 bit MLC should be a better option anyway. At that price it is a damn fine buy either way I think

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Some time ago I found a Russian site that is doing the most extensive SSD endurance test I have found anywhere - 3DNews.ru SSD Test. They have done one of those drives (near the top of the, google translated page, there is a grey "Content" bar, click it for table of contents for that page):
Western Digital Blue 3D NAND 250 GB
Claimed resource - 100 TB (TBW)
Endurance test scores - 82 TB
It started having errors after just 54 TB written! I'm sorry to say it was one of the worst results they have had.
Please bear in mind that the one they had "could" have been a bit of a lemon, but I'd keep back ups of your data if you do end up doing a lot of writes. Depending on use it would still take a long time to reach even 50TB of writes.
I always check that site before buying a new SSD and they are keeping it updated all the time too

Any test done with a sample size of one for something like hard drive or SSD endurance is pretty useless, I couldn't see anywhere from my quick look saying they tested with multiple drives, so... yeah while kinda interesting its not a very useful test set.
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Indeed.
Yet drives reaching market "should" be of avg quality as they go, so their tests are yet worth noting before making potential purchases.
They are a good 1st goto due to their range of drives tested, after which other endurance tests of a preferred drive can possibly be tracked down.
So far from drives I have seen multiple tests of they marry up pretty well.
Like I mentioned to Petr V that WD Blue 3D Nand, they tested could have been a bit of a lemon one off. Yet other prev gen WD Blue Nand drives (I was looking at buying as are great value) have also been pretty poor performers compared to more outstanding examples exceeding claimed max TBW from other manufacturers.
Samsung drives of various models often achieve many thousands of TB written over claimed limits. Really impressive, yet something almost no one will ever reach in a regular use environment lol
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depends on how you take those test result i guess
i would rather think it as estimation/average lifespan for the SSD... especially the NAND limit
so i can have better image/expectation from the SSD, rather than total blind and only know based the SSD specs which some market it with overly-hype endurance rate specs than it should
like MTBF bs... SSD is like 2million MTBF or 228years ...yea it will be in museum
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is this the drive were discussing?
seems like a good deal either way?