512GB Solid State Drives

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goocreations

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I'm looking for a 512GB SSD (I know it's expensive). I've narrowed it down to the Crucial M4 512GB and the Kingston V+100 512GB.
The Crucial goes for about $850-$950 whereas the Kingston can easily be $1300-$1400 (I know there are cheaper places, but this is the average).

When looking at the read/write speeds, I see the following is listed:

Kingston: 230MB/s Read, 180MB/s Write
Crucial: 415MB/s Read, 260MB/s Write

So why is the Kingston so expensive if the performance is lower. Did I miss something. And which one would you buy/suggest (ignoring the price)?
Does anyone know of a benchmark between these SSD?

Thanks
 
The Crucial M4 (as far as I know), supports SataIII (6GB/s). So the HyperX might be a little bit overpriced.
But thank you for your answer
 
SSD cost comes mainly from supply chain costs and fancy number balancing I guess. Price isn't really linked to performance.

Crucial M4 is a lot better. It uses a modified 6Gbps Marvell controller, and the flash chips come from the same factory as the ones in the Intel drives (since Crucial is owned by Micron who co-own that NAND factory with Intel). The Kingston uses an old 3Gbps Jmicron (not to be confused with Micron) controller and I don't know what the quality of the NAND is.

I haven't seen direct comparisons or reviews of drives at that size, but here are reviews from Anandtech of smaller drives in those series:

http://www.anandtech.com/show/4253/the-crucial-m4-micron-c400-ssd-review
http://www.anandtech.com/show/4712/the-crucial-m4-ssd-update-faster-with-fw0009

http://www.anandtech.com/show/4010/kingston-ssdnow-v-plus-100-review/1

Note that Crucial C300 is the previous generation, and C400 is identical to M4.
 
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