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Available in 120GB, 250GB and 500GB capacities.
Excellent sequential read speeds.
Good random read and write performance.
Performs equally well with compressible and incompressible data.
SATA 6Gb/s interface.
Fluid transfer rates thanks to the MDX controller.
Magician software is actually very useful.
Ultraslim design 7mm thin.
Very fast sequential reads and writes.
Mediocre sequential write performance.
Samsung's TLC NAND is not as durable as MLC NAND.
Very slow write speeds.
Sequential read speeds lag behind other several other drives in our testing.
No drive-bay adapter in the box at this price.
Not really any better than 830 Series.
By TechSpot on November 13, 2012
As is often the case with SSD reviews, what we have here is a mixed bag of results, so now it’s time to sift through them to try and better understand where each SSD stands in terms of performance. Breaking down the file copy tests, if we combine the...
By CDRLabs on April 17, 2013
While not the fastest SSD to come through the 'Labs, the Samsung SSD 840 delivers a lot of bang for your buck. Powered by the same triple-core MDX controller as the SSD 840 Pro, the drive uses Samsung's new TLC NAND flash memory to deliver a...
By itproportal.com on April 10, 2013
Honestly, I was dubious of Samsung's plans to bring TLC NAND to market when I first heard about the 840. The drive's performance is strong – definitely competitive with the lower-end tier of MLC – and the stress tests that have been...
By PC Mag on April 08, 2013
The Samsung 840 Series is an excellent SSD for those on a budget. Early reliability concerns regarding TLC NAND are apparently...
By uk.hardware.info on April 03, 2013
Torture test! The Samsung SSD 840 is the first widely available SSD series that uses TLC memory chips, where each memory cell can store three bits. TCL flash memory doesn't last as long as the traditionally-used MLC flash memory, but it's...
By ThinkComputers on March 21, 2013
For those who were thinking the 840 Series was a true successor to the 830 Series it really is not, that would be the 840 Pro, which features MLC NAND over the TLC that is in the normal 840 drive. Of course this drive costs about twice as much too....
By Computer Shopper on March 14, 2013
With its mainstream price and top-notch performance on tests relevant to boot and program-load times, Samsung's 840 Series is an excellent option for those looking to step up from a hard drive or an older SSD....
By MyCE on March 06, 2013
Let us summarise the most important positive and negative points below:Positive:Silky smooth operation as a system drive. Outstanding sequential reading performance, even at very low queue depths. Outstanding 4K random reading performance at low and...
By AnandTech on February 15, 2013
The 840 is the drive to recommend for a relative who isn't as concerned with performance and has a much lighter workload.
By HotHardware on February 12, 2013
The 250GB Samsung 840 Series SSD offers somewhat unbalanced performance; on the one hand, it bested our bank of SSDs in many of our read tests, but on the other hand, it came in dead last in too many write tests. For most traditional consumer/client...
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