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Silicon Power 64GB SATA Solid State Drive E-mail
Reviews - Featured Reviews: Storage
Written by Olin Coles   
Monday, 07 July 2008
Table of Contents: Page Index
Silicon Power 64GB SATA Solid State Drive
Features and Specifications
Silicon Power SSD Closer Look
SP064GBSSD25SV10 Internals
SSD Testing Methodology
System Speed Test Benchmarks
HD Tach RW Benchmarks
ATTO Disk Benchmarks
Final Thoughts and Conclusion

ATTO Disk Benchmark Results

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 several different user-specified intervals and reports read and write speeds. The drives seek and access times are not statistics made available in this application, which makes this a considerably basic tool, although the adjustable test settings allow for a large range of differing results. Manufacturers seems to like this tool because it offers them the ability to reduce the test length load size to produce high benchmark results. Conversely, Benchmark Reviews uses this tool with the largest (32 MB) test chuck used to produce our test results.

Bandwidth results are indicated as the transfer rate in the image below, showing the performance curve for the Silicon Power SATA SSD from 512 Bytes up to 1 MB test chunks. Silicon Power does not specify any bandwidth expectations for their SP064GBSSD25SV10 SSD, but nevertheless it performs very near to the 60 MBps maximum rate throughout the read bandwidth test results. From 64.0 KB to 1 MB the read and write transfer bandwidth is virtually identical, with the 64 Kb file size appearing to be the file size plateau. The same is true for the write bandwidth, which sustains a 46 MBps bandwidth throughout the 64 KB to 1 MB test chunk range.


Since ATTO Disk Benchmark offers test settings for each transfer file size from .5 KB to 1 MB, we used the largest (1 MB) statistic to build the chart located below. In this chart, I have organized the products using the sum of their read and write bandwidth speeds to determine position rank. Once again, the MemoRight GT SSDdemonstrates that an optimized SATA-I controller can outperform SATA-II controllers. The Seagate 7200.11 hard drive gets the closest in terms of performance, followed by the OCZ 64GB SATA SSD, Mtron Pro 7000 16GB SSD, and Samsung SSD.

The mid-range of performance is filled by the Mtron MOBI 3000 SSD and Western Digital Raptor, which aren't really all that far off from the products positioned above them. On the other hand, the low-end of performance is a noticeable distance away. The Crucial / Lexar CT32GBFAB0 SATA-II SSD takes a major dip in write-bandwidth performance, which is mirrored by the Super Talent MasterDrive MX SSD and Silicon Power 64GB SATA SSD. I'm not entirely clear on the technology each of these lower-end SSD's contain, but considering that two of them are SATA-II and match the performance of our slowest SATA-I SSD's I would contend that a design improvement is in order.


Originally I hadn't planned on including the ATTO Disk Benchmark results in this article. While the software is decent enough to mention, it was merely included because almost all SSD manufacturers test with it... and for very good reason I have learned. After several tests had been completed, I began to see why they decided on this particular software for benchmarks. What I like least about ATTO Disk Benchmark is how you can manipulate the settings to produce extremely wide range results from the same product.

As an example, if you reduce the total test length size from 32 MB (used in our testing configuration) to one of the smaller sizes the benchmark results are more than 30% different (as in higher bandwidth). This reason alone is enough for manufacturers to tweak their own test configurations for self-benefit. Nevertheless, in regard to our ATTO tests the entire range of SSD products is very well represented with our configuration. It should be noted that with cache buffers growing larger and larger, perhaps there's a reasonable middle ground that will provide the best of both worlds. I suspect that hybrid drives could play an important role in this argument very soon.

Disk Hardware Tested:

In our next section, we address the collection of test results and give our conclusion on the Silicon Power 64GB SATA SSD SP064GBSSD25SV10.


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