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Written by Olin Coles   
Wednesday, 22 July 2009
Table of Contents: Page Index
OCZ Agility MLC SSD OCZSSD2-1AGT120G
Features and Specifications
First Look: Agility SSD
Agility Internal Components
SSD Testing Methodology
Random Access Time Benchmark
Basic IO Bandwidth
Random Access IOPS Tests
I/O Response Time
Linear Bandwidth Speed
Sequential Performance Tests
Buffered Transaction Speed
Windows XP Startup Times
The Truth Behind Heat Output
Solid State Drive Final Thoughts
OCZ Agility 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 2.34 version of the program, but the benchmark is still limited to non-linear samples up to 256MB. ATTO Disk Benchmark requires that an active partition be set on the drive being tested.

While the bandwidth results are not realistic for determining the maximum drive speeds, ATTO Disk Benchmark is still a good tool for illustrating bandwidth using various file size chunks. Please consider the results displayed by this benchmark to be basic bandwidth performance indicators.

Our basic I/O bandwidth tests begin with the OCZ Agility SSD connected to the integrated Intel ICH10R Southbridge chip, as the ATTO Disk Benchmark tools performs file transfers ranging from 0.5 KB to 8192 KB. The 120GB OCZSSD2-1AGT120G model reveals a 230 MBps read plateau from 128-8192 KB file chunks, while the 132 MBps write performance plateaus from 128-8192 KB. This is extremely impressive basic I/O read-bandwidth performance, and speed continues to climb with each new generation of Solid State Drive products released.

ATTO-Disk-Benchmark-OCZ-Agility.png

OCZ has integrated a 64MB cache buffer into the OCZ Agility SSD, which helps it build speed quickly as it processes small-to-large file chunks. OCZ suggests a maximum read performance of 230 MBps, and write performance topping out at 135 MBps for the 128GB (120GB advertised) Agility SATA-II OCZSSD2-1AGT120G model, and from what we're seeing from ATTO these are very accurate expectations.

Drive Hardware

In our next section, we test linear read and write bandwidth performance of the OCZ Agility SSD and compare its speed against several other top storage products. Benchmark Reviews feels that linear tests are the best method for testing SSD products, as detailed in our Solid State Drive Benchmark Performance Testing article.



 

Comments 

 
# Dell Inspiron 6400+SSDEgor Ukraintsev 2011-11-02 14:37
Hello Olin Coles. I tried to install a Win XP, Vista and Win 7 systems on Dell inspiron 6400 notebook with 60 Gz OCZ SataIII harddrive. Each time I had different problem: blue dead screen, error "bootmgr is missing", can not load a file to harddrive and so on. Did you have such problems? How can i solve such problems and install win on this notebook? Thank you. Egor Ukraintsev
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# RE: Dell Inspiron 6400+SSDOlin Coles 2011-11-02 14:39
Hello Egor:
Although I did not have problems with the SSD sent to me for testing, it sounds like your SSD might have a problem with it. I suggest that you update the SSDs firmware to the latest available on the OCZ website, and contact their technicians if you need additional assistance. Good luck!
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