Kingston HyperX 240GB SSD Review

Author: AkG
Date: August 21, 2011
Product Name: HyperX 240GB
Part Number: SH100S3B/240G
Warranty: 3 Years
Purchase at NCIX: | UK
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Introducing the SandForce SF2000 Family

As you are probably well aware by now, there are actually many different models which make up the next generation of SandForce controllers. Much like Intel’s socket 1155 i3/i5/i7 series of processors, all these different SandForce numbers represent slightly different tweaks and features, but all are basically built upon the same SF2000 foundation.

In grand total there are eight SF2000 iterations, but for the most part we won't see most of them in the retail channel. Take for example the SF2141; this is a cut down 4 channel, 24bit RS ECC, SATA 3GB/s controller which probably wont see much fan fare outside of truly budget SSDs. The easiest way to think about this one is to consider it the low end of SF2000 drives. Stepping up a level to 8 channels (and 55bit BCH ECC) but still SATA 3GB/s only is the SF2181 which you can consider the mid range of this generation. This one will probably be featured in more mid-tier next generation SSDs as it has better error correction abilities, yet cannot directly compete with the true stars of the SF200 consumer line: the SF 2281.

The only difference between the two “real” consumer grade SF2000 SATA 6G controllers most likely to be seen (the SF2281 and SF2282) is the one -the 2282- is only for extra large 512GB and higher drives (though the SF2281 can handle 512GB of NAND) and is a larger chip. These are the two flagship products as such have received all the features and all the tweaks which are going to become synonymous with the SF2000 consumer class controllers.

The other four controllers are for enterprise environments and boast features such as eMLC compatibility, Military Erase, SAS and super capacitor capabilities.


The SF2000 controller series is built upon the same architecture as the original SF1000 series. You get DuraWrite, RAISE and all the other features but these have all undergone enhancements and tweaking.

The original SF1000 series had ECC of 24bits per 512byte sector of ECC; whereas the new controller has 55bits. The type of ECC has changed as well. The original used the more simplistic Reed-Solomon (aka “RS”) ECC code which is probably best known from its use in CDs.

Compare and contrast this with the fact that the new controller uses Bose-Chaudhuri-Hocquenghem (aka “BCH”) for its ECC code; which is a more elegant version that targets individual errors. It is also faster and easier for the controller to correct these errors making for a lowered performance impact. AES encryption has also doubled from 128 to 256

The most important of these new features for consumers is of course the new SATA 6Gb/s capabilities. This larger bus instantly translates into much higher sequential performance. The second generation of flagship SandForce controllers has also received a boost on the small file performance end of things thanks in no small part to a 20% increase in IOPS. The first generation SF1200 was rated for up to 50,000 IOPS whereas the new controller family has a rating of 60,000 IOPS.

The other interesting feature which all but the most basic of the SF2000 models boast is SLC NAND abilities. In the past, a manufacturer had to step up the enterprise SF1500 to get SLC compatibility but now they don't have to. Add in lowered power consumption and you can see that while the SF2000 series builds upon the same basic foundation as the previous generation, they are not all that similar when you take a closer look.

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