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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

OCZ RevoDrive Conclusion

IMPORTANT: Although the rating and final score mentioned in this conclusion are made to be as objective as possible, please be advised that every author perceives these factors differently at various points in time. While we each do our best to ensure that all aspects of the product are considered, there are often times unforeseen market conditions and manufacturer changes which occur after publication that could render our rating obsolete. Please do not base any purchase solely on our conclusion, as it represents our product rating specifically for the product tested which may differ from future versions. Benchmark Reviews begins our conclusion with a short summary for each of the areas that we rate.

Our performance rating considers how effective the 240GB OCZ RevoDrive X2 performs in operations against direct competing SSD storage solutions, especially the original RevoDrive. In our benchmark tests, the RevoDrive X2 delivered 831/688 MBps peak read and write speeds using ATTO Disk Benchmark. 831 MB/s measured in ATTO clearly exceeds the manufacturer's 740 MB/s specified maximum read speed, making this the fastest storage solution Benchmark Reviews has ever tested. Operational performance measured 112061 IOPS when tested with a queue depth of 32 using Iometer. Developers needing top-end operational speeds and functionality for their demanding applications can certainly expect as much from the OCZ RevoDrive X2 PCI-Express SSD. Linear speed tests with the AIDA64 Disk Benchmark produced a solid 756 MBps read speed, which is above spec, yet dirty NAND combined with lacking TRIM support still offered 629 MBps peak write speed when the drive was filled.

Benchmark Reviews also tested the OCZ RevoDrive X2 SSD against many of its closest competitors, including a SandForce RAID-0 SSD set, and the performance results were still very impressive. In fact, the OCZ RevoDrive X2 offered incredibly fast speeds compared to the other SSDs, including the SATA-based RAID-0 set of separate SandForce SF1200's. Operational performance tests place the RevoDrive X2 at the very top of our charts, well ahead of other single and RAID-0 SSDs. High-performance computer enthusiasts will enjoy the immediate response time that assures instant reactions when called upon. Based around the SandForce SF-1222TA3-SBH processor, DuraClass technology adds proprietary RAISE and DuraWrite features not available to other SSDs. The end result is a product that could last up to five times longer with less wear on NAND flash modules due to 7% over-provisioning.


SSDs are not prone to mechanical failure, but if any RevoDrive products happen to fail during the 3-year warranty period end-users may contact OCZ via the company website or extensive support forums. Fortunately, there's also a toll-free telephone number (800-459-1816) for free technical support and customer service questions. OCZ has been proven to be one of the best companies in the business when it comes to customer service, and replacement parts are often sent with priority delivery.

The OCZ RevoDrive X2 PCI-E SSD series offers a prolonged MLC NAND flash lifetime and delivers data redundancy thanks to the powerful SandForce SF-1222 solid state processor that has innovated the SSD industry. PCI-Express form factor or otherwise, SandForce SSDs have taken the storage market by storm. This helped products like OCZ's Vertex 2 SSD to dominate the high-performance PC hardware segment, and will likely lend support to the OCZ RevoDrive series for ultra-performance enthusiasts. SandForce-driven Solid State Drives are already extremely fast and offer SLC-level NAND durability at MLC cost, but combining two SF-1200 controllers onto a single-platform in RAID-0 delivers unprecedented operational I/O performance.

As of 19 November 2010, OCZ's 240GB RevoDrive X2 PCI-Express SSD series sells for $648.40 at Amazon / $679 at NewEgg with various capacities available. Considering that users get roughly twice the performance, there definitely a competitive argument to be made with regard to value. List below is the current OCZ product line of SandForce-driven SSDs:

OCZ RevoDrive X2 OCZ RevoDrive OCZ Agility 2 Extended

OCZ Vertex 2 Extended

$459 - 100GB - OCZSSDPX-1RVDX0100
$549 - 160GB - OCZSSDPX-1RVDX0160
$679 - 240GB - OCZSSDPX-1RVDX0240
$1159 - 360GB - OCZSSDPX-1RVDX0360
$1439 - 480GB - OCZSSDPX-1RVDX0480
$3359 - 960GB - OCZSSDPX-1RVDX0960
$199 - 50GB - OCZSSDPX-1RVD0050
$239 - 80GB - OCZSSDPX-1RVD0080
$300 - 120GB - OCZSSDPX-1RVD0120
$400 - 180GB - OCZSSDPX-1RVD0180
$500 - 240GB - OCZSSDPX-1RVD0240
$1019 - 360GB - OCZSSDPX-1RVD0360
$1249 - 480GB - OCZSSDPX-1RVD0480
$139 - 60GB - OCZSSD2-2AGTE60G
$190 - 90GB - OCZSSD2-2AGTE90G
$235 - 120GB - OCZSSD2-2AGTE120G
$410 - 180GB - OCZSSD2-2AGTE180G
$449 - 240GB - OCZSSD2-2AGTE240G
$140 - 60GB - OCZSSD2-2VTXE60G
$190 - 90GB - OCZSSD2-2VTXE90G
$245 - 120GB - OCZSSD2-2VTXE120G
$400 - 180GB - OCZSSD2-2VTXE180G
$450 - 240GB - OCZSSD2-2VTXE240G

OCZ isn't vying for the value play with their RevoDrive X2 series, and they don't need to. The OCZ Agility 2 and OCZ Vertex 2 SSDs offer outstanding value for their respective performance levels. What you get with RevoDrive is performance, raw full-throttle performance. The RevoDrive X2 SSD is a great fit for systems that require extreme-performance, or enthusiasts wanting the fastest speeds and best operational performance money can buy. While I'm hesitant to recommend any RAID-0 storage solution for business environments (even with routine backups), the SandForce-specific RAISE and DuraWrite features alleviate these concerns and make allow the RevoDrive series to fit-in well with any: virtual machine server, remote-access application server, high-transaction database server, and extreme-traffic web servers.

In conclusion, OCZ's RevoDrive X2 PCI-Express SSD offers two things not available in any other consumer SSD: bandwidth speeds well beyond SATA-6.0 GB/s capabilities, and absolutely incredible operational IOPS performance. As expected, these perks come at the expense of several coveted storage utilities: TRIM garbage collection, Native Command Queuing (NCQ), and Self-Monitoring Analysis and Reporting Technology (SMART) functionality. Until Silicon Image is able to incorporate these features into their driver so they'll pass through to the SSD, users will depend on SandForces' otherwise noteworthy NAND management to keep up these lightning-fast transfer speeds.

Pros:Benchmark Reviews Silver Tachometer Award for Quality Recognition

+ Delivers approximately 120,000 4K IOPS in Iometer
+ Best IOPS performance available to consumers
+ Blazing fast 831/688 MBps read/write speed with ATTO
+ DuraWrite technology extends NAND lifetime
+ Top-level operational I/O performance for application servers
+ 3-Year OCZ product warranty
+ Several high-speed SSD storage capacities available
+ AES-128 Automatic encryption and password data protection
+ Less expensive than four separate SandForce-driven SSDs


- SiI3124 RAID controller lacks NCQ, SMART, and TRIM pass-through


  • Performance: 10.0
  • Appearance: 8.75
  • Construction: 9.25
  • Functionality: 8.50
  • Value: 7.25

Final Score: 8.75 out of 10.

Quality Recognition: Benchmark Reviews Silver Tachometer Award.

Benchmark Reviews invites you to leave constructive feedback below, or ask questions in our Discussion Forum.

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# 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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