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Written by Olin Coles   
Friday, 19 November 2010
Table of Contents: Page Index
OCZ RevoDrive X2 PCI-Express SSD
Closer Look: OCZ RevoDrive X2 SSD
SandForce PCI-E SSD Anatomy
Features and Specifications
SSD Testing Methodology
AS-SSD Benchmark
ATTO Disk Benchmark
CrystalDiskMark 3.0 Tests
Iometer IOPS Performance
AIDA64 Disk Benchmark
HDD vs Hybrid Drive vs SSD
OCZ RevoDrive Conclusion

ATTO Disk Benchmark

The ATTO Disk Benchmark program is free, and offers a comprehensive set of test variables to work with. In terms of disk performance, it measures interface transfer rates at various intervals for a user-specified length and then reports read and write speeds for these spot-tests. There are some minor improvements made to the 2.46 version of the program that allow for test lengths up to 2GB, but all of our benchmarks are conducted with 256MB total length. Additionally, ATTO Disk Benchmark offers a queue depth range of 2-10, however our tests use the default value of 4. ATTO Disk Benchmark requires that an active partition be set on the drive being tested, which is formatted to the NTFS file system. Please consider the results displayed by this benchmark to be basic bandwidth speed performance indicators.

ATTO-Benchmark-QD4_OCZ-RevoDrive-X2.png

Our basic bandwidth speed tests begin with the OCZ RevoDrive X2 SSD installed onto the X58-Express motherboard, as the ATTO Disk Benchmark tool performs file transfers ranging from 0.5 KB to 8192 KB. The 240GB model we received reveals 831 MB/s maximum read speed that plateaus from 128-8192 KB file chunks at a queue depth of 4, and 688 MBps peak write bandwidth which plateaus from 64-8192 KB.

OCZ's reviewer guide suggests that ATTO be tested with a queue depth of 10, which offered slightly different results:

ATTO-Benchmark-QD10_OCZ-RevoDrive-X2.png

At QD-10 the OCZ RevoDrive X2 improves 4 MBps to 835 MBps maximum read speed that plateaus from 128-8192 KB file chunks, and a nearly identical 687 MBps peak write bandwidth plateaus from 64-8192 KB. Since all previous ATTO tests were conducted with the default queue depth of 4, here's how the collection stacks up:

ATTO-Disk-Benchmark_Results.png

Although not charted above, a pair of SandForce-driven SF-1200 SSDs configured with 128K-stripes in a RAID-0 set produced 579 MBps peak read speeds, and 545 MBps peak write bandwidth.

Drive Hardware

In the next section, Benchmark Reviews tests sequential performance using the CrystalDiskMark 3.0 software tool...



 

Comments 

 
# ThumperRealNeil 2010-11-19 05:05
This thing really rocks. The 'real world' experience using a computer with one of these things inside of it must be sweet indeed. Can't afford one of them and may never be able to. But it's good to see that they're out there.
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# RE: ThumperServando Silva 2010-11-19 06:28
Any SSD will make you notice a super-boost in real world experience against HDDs. I'm sure you'll not notice a difference between controllers, but I'm not sure if the RevoDrive X2 could make THE difference.
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# RE: OCZ RevoDrive X2 PCI-Express SSDAdam 2010-11-19 07:28
Bloody hell that's fast, you sure as hell pay for it though...

I'm yet to upgrade to any SSD yet unfortunately, still waiting for the technology to move on a bit / become more affordable.
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# C300 in raid or this?aberkae 2010-11-19 09:03
This by far is the best performers on the market.
I'm debating weather to get an extra c300 (256 gig) for raid 0,(total 500gigs >700 mb/sec read/500 rights) extra $525
Vs Revodrive x2 256gig one, extra $699.
(aren't the Sandforce 2500, 2600 controllers out soon as well?)
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# RE: C300 in raid or this?Olin Coles 2010-11-19 12:03
You can expect the next generation of SandForce products in Q1 2011, but not sooner. This particular product, while being extremely fast, lacks TRIM support because of the RAID controller. In my opinion, you shouldn't buy an SSD without TRIM support. In this case however, there recovery time wouldn't be an issue unless you did constant fills.
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# RE: RE: C300 in raid or this?Khaosus 2011-02-21 21:44
Although this is an old post, I felt the need to clarify.
TRIM is not needed for Revodrive X2 due to the garbage collecting algorithms built into SandForce. TRIM is a sloppy patch job on a problem that should of never existed and on any good drive will not be needed.
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# RE: OCZ RevoDrive X2 PCI-Express SSDDaryl Greene 2010-11-19 17:26
WOW! Those things are ridiculously expensive!
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