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240GB OCZ Vertex 3.20 Solid State Drive E-mail
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Written by Olin Coles   
Wednesday, 17 April 2013
Table of Contents: Page Index
240GB OCZ Vertex 3.20 Solid State Drive
OCZ Vertex 3.20 SSD
Features and Specifications
SSD Testing Methodology
AS-SSD Benchmark
ATTO Disk Benchmark
CrystalDiskMark 3.0 Tests
Iometer IOPS Performance
EVEREST Disk Benchmark
PCMark Vantage HDD Tests
OCZ Vertex 3.20 Conclusion

EVEREST Disk Benchmark

Many enthusiasts are familiar with the Lavalys EVEREST benchmark suite, but very few are aware of the Disk Benchmark tool available inside the program. The EVEREST Disk Benchmark performs linear read and write bandwidth tests on each drive, and can be configured to use file chunk sizes up to 1MB (which speeds up testing and minimizes jitter in the waveform). Because of the full sector-by-sector nature of linear testing, Benchmark Reviews endorses this method for testing SSD products, as detailed in our Solid State Drive Benchmark Performance Testing article. However, Hard Disk Drive products suffer a lower average bandwidth as the capacity draws linear read/write speed down into the inner-portion of the disk platter. EVEREST Disk Benchmark does not require a partition to be present for testing, so all of our benchmarks are completed prior to drive formatting.

Linear disk benchmarks are superior bandwidth speed tools in my opinion, because they scan from the first physical sector to the last. A side affect of many linear write-performance test tools is that the data is erased as it writes to every sector on the drive. Normally this isn't an issue, but it has been shown that partition table alignment will occasionally play a role in overall SSD performance (HDDs don't suffer this problem).

Everest-Read-240GB-OCZ-Vertex-3.20-SSD.png

The high-performance storage products we've tested with Lavalys EVEREST Disk Benchmark are connected to the Intel P67-Express SATA 6Gb/s controller and use a 1MB block size option. Charted above, read performance on the 240GB OCZ Vertex 3.20 solid state drive measured average speeds of 463.0 MB/s with a relatively close maximum peak speed of 477.8 MB/s. These read results matched the 120GB version and were among the highest we've tested, remaining very consistent across the full range of capacity. Everest linear write-to tests were next...

Everest-Write-240GB-OCZ-Vertex-3.20-SSD.png

The waveform chart below illustrates how well the 240GB OCZ Vertex 3.20 manages file transfers, and makes linear write performance appears relatively uneven. The results seen here are consistent with most other SSD products we've tested in the past that use a DRAM cache buffer. The 240GB OCZ Vertex 3.20 solid state drive recorded an average linear write-to speed of 472.4 MB/s, with maximum performance reaching 483.1 MB/s. These write-to performance results were near the top of our charts, and the 120GB version was not very far behind.

The chart below shows the average linear read and write bandwidth speeds for a cross-section of storage devices tested with EVEREST:

Everest-Disk-Benchmark_Results.png

Linear tests are an important tool for comparing bandwidth speed between storage products - although HDD products suffer performance degradation over the span of their areal storage capacity. Linear bandwidth certainly benefits the Solid State Drive, since there's very little fluctuation in transfer speed. This is because Hard Disk Drive products decline in performance as the spindle reaches the inner-most sectors on the magnetic platter, away from the fast outer edge.

In the next section we use PCMark Vantage to test real-world performance...



 

Comments 

 
# RE: 240GB OCZ Vertex 3.20 Solid State Drivekzinti1 2013-05-27 22:56
There was an article not too long ago that OCZ was going out of business.
Are they or not? They keep coming out with new products so apparently not.
I'd forward the article but now I can't find it.
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# RE: RE: 240GB OCZ Vertex 3.20 Solid State DriveOlin Coles 2013-05-28 07:02
You can't find it because we never wrote that OCZ was going out of business. We did write about their layoffs and stock value about seven months ago:
benchmarkreviews.com/index.php?option=com_content&task=view&id=20789
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# RE: RE: RE: 240GB OCZ Vertex 3.20 Solid State Drivekzinti1 2013-05-28 07:25
I never mentioned that it was you that wrote the article. Never!
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# RE: 240GB OCZ Vertex 3.20 Solid State DriveMugsy 2013-05-28 06:02
I'm most impressed by the benchmark results for the Vertex 4, which are consistently at or near the top of every test, and well above the 3.20.

I'm disappointed not to see any RAID configurations thrown into the mix (most notably, how a Raid-0 of the 120 compares to a single 240.)
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# RE: RE: 240GB OCZ Vertex 3.20 Solid State DriveOlin Coles 2013-05-28 07:04
Almost nobody purchases a SSD to put it into a RAID-0 array, so obtaining a second drive for the sake of pleasing 1/10000 of the readers wouldn't make a lot of sense.
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# RE: RE: RE: 240GB OCZ Vertex 3.20 Solid State DriveMugsy 2013-05-28 07:35
Begging your pardon, but that's a pretty stupid reply.

With a 120GB SSD running at almost exactly have the price as it's 240GB older brother, the possible performance increase over running two 120's over two SATA-III ports vs running a single 240 over just one SATA-III port, seems a bit near-sided.
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# lalamoeb 2013-05-28 07:44
as far as i know in raid-0-mode trim and other vital features do not work
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# Trim, RAID 0, Z77Bruce 2013-05-28 08:50
The Z77 Intel Chipset supports Trim with RAID. It's a shame that it only supports two SATA 6Gb/s ports, limiting RAID options to RAID 0 or RAID 1.
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# RE: RE: RE: RE: 240GB OCZ Vertex 3.20 Solid State Drivekzinti1 2013-05-28 08:01
You do know that the only storage capacity running a pair of 120GB ssd's in RAID-0 is 120GB don't you?
You only obtain a faster speed and still have only the capacity of one 120GB ssd. The designation "240 GB's" is meaningless when describing this.
Paying twice just for a bump in speed is what's completely stupid.
If you lose one drive then you lose the info on both drives in RAID-0.
RAID-0 is just fine for hdd's to get a worthwhile gain in speed.
For SSD's the speed increase is not worth the expense. Just a complete waste of money.
I use 500 GB Samsung SSD's and don't RAID them. They're more than fast enough as is and running a pair in RAID-0 would just be ludicrous.
I own 5 of these, so far, that cost $319.99 each. I am more than happy with their speed as is.
If it were possible, all I would do is run them as JBOD. Same speed but double capacity.
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# RAID-0Mugsy 2013-05-28 08:45
Raid-0 is not redundant. It is simple "striping", so you will have all 240GB available. (only Raid levels above 0 that allocate one drive just for recovery "wastes" a drive.)

I'm not sure what you're talking about. But then again, neither do you.

The pitfalls of using Raid-0 (lose one drive and lose everything) is the same whether you use SSDs or HDDs. I ran Raid-0 with two HDDs for years with no problem. SSDs are (no longer) more susceptible to failure than most HDDs.

You claim Raiding SSDs is "not worth the expense", but with two 120GB going for $240 and a single 240GB going for $220, the "expense" is only $20 whereas the performance gains might more than justify the extra money (but we don't know b/c they never tested it.)

Whether YOU are satisfied with the speed of your single SSDs is a matter of usage and personal preference. *I* however edit LARGE A/V files frequently that would greatly benefit from the faster Read/Write speeds of Raid-0.
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