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OCZ Technology RevoDrive Hybrid Review

By: Chris Ramseyer | PCIe in Storage | Posted: Nov 2, 2011 2:13 pm
TweakTown Rating: 91%Manufacturer: OCZ Technology



We would like to thank the following companies for supplying and supporting us with our test system hardware and equipment: AVADirect, GIGABYTE, Cooler Master, LSI, Corsair and Noctua.


You can read more about TweakTown's Storage Product Testing Workstation and the procedures followed to test products in this article.


Not everything is perfect with the OCZ RevoDrive Hybrid. Just like with the RevoDrive 3 X2 we found some motherboards just don't play well with the drive. We tested a GIGABYTE X58A-UD7 and found that it was one of them. We weren't able to find any specific documents pertaining to the RevoDrive Hybrid, but the RevoDrive 3 Series has a published list of known boards with issues. Since both of the new Revo products are so similar, this should be good place to start when asking if your motherboard can support OCZ's VCA 2.0 system.


When it comes to using your RevoDrive Hybrid as intended with the OCZ VCA 2.0 array acting as the cache for the included HDD, you *MUST* install your operating system on the OCZ HDD. You can't use a different SSD or HDD for your operating system and use the RevoDrive Hybrid as a secondary drive that is cached.


For our tests today we are going to look at the RevoDrive a couple of different ways. The first is without Dataplex installed and the benchmarks ran on the HDD. This establishes a baseline of absolute lowest performance. The second set of tests are run on the SSD VCA 2.0 array without Dataplex - this represents a complete cache hit of hot data. The third set of benchmarks will be from the RevoDrive Hybrid setup as it should be.



ATTO Baseline Performance


Version and / or Patch Used: 2.34


ATTO is used by many disk manufacturers to determine the read and write speeds that will be presented to customers.



HDD Only


Let's establish the first baseline with just the HDD. The Toshiba 1TB hard drive is capable of delivering up to 80MB/s read and write performance.



SSD Only


The second test is from the VCA 2.0 array without Dataplex installed. Here we see the SSD portion of the system is able to deliver right around 1000MB/s of read performance and right around 800MB/s of write performance. This is much higher than the Intel 20GB "cache drive" and even faster than the Intel SLC E-Class drive Adaptec first used on their enterprise cache system.



Hybrid - Third Test Run


To get the results you see here from the true hybrid array, we ran the test three times. This is the third result and as you can see, this test produced results between the two previous ATTO tests we've shown above.

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