Whats specs on SSD drives.

Rockstar09

Rockstar09

Rockstar09

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Are the specs on SSDs measured to any standard?

For example when I look on a certain website I see 120GB kingston V300 claims to put out Read 450MB/s, Write 450MB/s, 85000 IOPS 55000 IOPS

That one is 55 quid

120GB Crucial M500 2.5" SATA III 6GB/s Slim 7mm SSD, 500MB/s Read, 130MB/s Write 62K IOPS

That one is 59 quid but the write speed is really slow by comparison to the kingston one.

Is it a question of the benchmarks they use (the lies they tell) or is the kingston one really that much faster and cheaper.

Just also noticed corsair claim their force model does 560/535 and 92k IOPS

I also noticed on this website some of the OCZ range are 4X the price and the specs are the same as the cheaper ones.

I am aware of the difference between MLC and SLC and I am only comparing MLC drives.
 
Read and write speeds are important.

My advice and most on here would agree, that your best bet would be something from Samsung who make the most reliable and fastest drives. If you have the money then the 250GB version is about the sweet spot. I have linked them below.

YOUR BASKET
1 x Samsung 1TB SSD 840 EVO SATA 6Gb/s Basic - (MZ-7TE1T0BW) £509.99
1 x Samsung 750GB SSD 840 EVO SATA 6Gb/s Basic - (MZ-7TE750BW) £399.95
1 x Samsung 500GB SSD 840 EVO SATA 6Gb/s Basic - (MZ-7TE500BW) £289.99
1 x Samsung 250GB SSD 840 EVO SATA 6Gb/s Basic - (MZ-7TE250BW) £149.99
1 x Samsung 120GB SSD 840 EVO SATA 6Gb/s Basic - (MZ-7TE120BW) £79.99
Total : £1,439.51 (includes shipping : £8.00).

 
Thanks for the reply,

I know the read and write is important my question is why do some manufacturers boast such fantastic write speeds, because its true or because they arent measured to the same standard.

Like the example I gave where crucials drive for the same money writes 130MB/s as opposed to kingstons 450.

The OCZ vertex on a website that rhymes with plan costs 280 quid but you can get a drive for 55 quid that is faster and is also MLC.
 
I`ve bought and installed dozens of Samsung SSDs (since the 830s).

Never had a faulty one, and they`ve always offered very good performance and value for money. Yes, there are other "good" SSDs available, but for the majority of people, a Samsung 840 EVO is almost a no brainer. The TLC vs MLC NAND argument has been had, and there is no problem with going for the "cheaper, less reliable" ;) TLC models).

Any modern SSD will be fast. Yes, some might be a bit faster than others in certain situations, but for most people any decent SSD will do. And a very decent SSD is a Samsung EVO.
 
BTW. My previous Samsung SSD, an 840 (non pro, non Evo) had "slow" write speeds. I often read that going for the Pro version was a better option (even though it cost a fair bit more) because of the non pro's " lower specification.

Upgrading to the faster EVO has proved what I thought, a slow write speed will hardly be noticeable most of the time.
 
Ok im still not sure I am explaining my question well enough.

Im not after any recommendations I just want to know if I am missing any information with regards to the advertised specs.

Like the example I gave where crucials drive for the same money writes 130MB/s as opposed to kingstons 450

In this example is kingston bending the truth or have crucial really made a lesser spec drive for the same money.

Both MLC sata3 etc...
 
I'm curious about this too, the specs relationship to actual performance isn't clear to me.
Are they all doing the same thing when coming up with the numbers? I'd imagine not, or if so in whatever the most flattering scenario might be (compressible data?). Or are they calculated theoretical numbers that bear very little relation to what the product can actually achieve?
 
David Bisset said:
I'm curious about this too, the specs relationship to actual performance isn't clear to me.
Are they all doing the same thing when coming up with the numbers? I'd imagine not, or if so in whatever the most flattering scenario might be (compressible data?). Or are they calculated theoretical numbers that bear very little relation to what the product can actually achieve?
Click to expand...

I'm sure that SSD manufacturers will do what manufacturers of other products often do.....

Most cars seem to do less MPG in the real world than claimed by the manufacturer.

A lot of (lower end) audio equipment is advertised as being able to produce lots of watts, but in reality, it doesn't seem true.

Laptop battery life ?

etc.

The good news for potential purchasers of SSDs is that the manufacturers' specification wonn't mean much to the end user. If you buy a decent SSD, it will be fast.

I know that's a generalisation, but I think it's true.
 
I suppose to answer my question ill have to look at reviews to see how the benchmarks compare to the advertised speeds.

I was having a hard time believing crucial couldn't manage a similar spec write time as kingston for the same money, I mean 130 - 450 is not even close.

I assumed you guys would say yea kingston measure it differently.
 
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