Posted in Storage , SSDs , Corsair , Accelerator , NVELO , DataPlex , SSD Caching
Corsair released a new SSD series today branded Accelerator. Like the name suggests, this series is aimed for caching purposes and is bundled with NVELO's DataPlex caching software. Corsair actually showcased the Accelerator series at CES 2012 but it hasn't been available until today.
Corsair Accelerator Series SpecificationsCapacity30GB45GB60GBRaw NAND Capacity32GiB48GiB64GiBControllerSF-2141SF-2181SF-2181InterfaceSATA 3Gb/sSequential Read270MB/s280MB/s280MB/sSequential Write240MB/s260MB/s260MB/sWarrantyThree yearsPrice$69$84$99The Accelerator series will be available in three capacities: 30GB, 45GB and 60GB. A caching SSD doesn't need to be really large because it only stores the most frequently accessed data; as an example, Intel's Rapid Storage Technology is limited to 64GB. Caching is also mainly aimed toward average users as utilizing two separate drives can be difficult for a novice user, but more advanced users usually want total control of their data. Keeping the price as low as possible will attract more buyers, especially ones who have not owned an SSD before.
The brief rundown of the two controllers used is that they are both SATA 3Gb/s and are similarly specced in terms of performance. Corsair chose SATA 3Gb/s controllers to keep the prices down, as in the end caching is mostly about price. The only difference between the SF-2141 and the SF-2181 is that SF-2181 supports up to 8 channels whereas SF-2141 is limited to 4 channels. Using SF-2141 in the 30GB model is logical because it consists of four 8GiB dies and hence only four channels can be populated. As for the 45GB model, it uses six out of the eight channels to achieve a raw NAND capacity of 48GiB (6 x 8GiB), which is similar to the 180GB and 360GB versions of OCZ Agility 3.
We haven't taken a look at NVELO's DataPlex solutions yet, but as caching is becoming a more and more popular solution, we hope to be able to review an SSD with DataPlex in the near future.
Source: Corsair
Sir Abacus Reply RE: No mSATA variant? by xdrol on Tuesday, March 06, 2012 If you got a Z68, you might as well use Intel RST... 
xdrol Reply RE: No mSATA variant? by MarkLuvsCS on Tuesday, March 06, 2012 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^LOVE RST on my asrock z68. I saw some of the biostar boards with the mSATA onboard, but the cost didn't seem justifiable. If space is certainly at a premium then it makes sense, but using the conventional chipset ports makes it easy to find drives to fit the role. I would love to see how the dataplex software compares vs. Intel's RST. I would imagine Intel would be a faster solution since its hardware + software vs. just software.
MarkLuvsCS Reply RE: No mSATA variant? by hechacker1 on Tuesday, March 06, 2012 I seriously wonder just how much of Intel's RST really has to do with hardware.I have a suspicion that it's really just software locked down onto z68 by bios revision. I have an X58 board hear, and modded my bios with a intel RST 11.5 alpha ROM. And now I can select RST as an option in the BIOS (though I don't have a SSD here to test it).
Interestingly, I updated the RST bios again with a new version, and that feature got locked down.
I could always go back though. Perhaps it was just an error on there part, and there really is hardware behind it.
I've seen benchmarks, and it seems RST and Dataplex is competitive with each other.
The big limitation though: You can only cache one volume/drive. What if you have an OS drive + Storage RAID, then you are stuck only doing caching on 1. Even though your sources of data may come from both.
I'd really like that software deficiency to be fixed.
hechacker1 Reply RE: No mSATA variant? by ATC9001 on Tuesday, March 06, 2012 If you can afford a Z68 chipset but not a 120GB SSD for OS/DATA I don't think you're doing a good job picking your system.RST is a good idea for dell and other OEM's IMO (But not in high end chipsets), but for most of us here that read Anand I'd figure your much better off controlling your own storage needs.
Now where RST would be really nice is on a laptop since moist laptops only have 1 HDD Bay, getting a 256GB SSD is obviously prohibitive and may still not be enough storage. RST with a mSATA on a laptop would be nice.
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