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Seagate Savvio 15K.2 SAS 2.0 6Gb/s 146GB 2.5-inch Hard Disk

By: Chris Ramseyer | HDDs in Storage | Posted: Nov 6, 2009 1:49 pm
TweakTown Rating: 92%Manufacturer: Seagate

HD Tune Pro


Version and / or Patch Used: 3.00
Developer Homepage:
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HD Tune is a Hard Disk utility which has the following functions:


- Benchmark: measures the performance
- Info: shows detailed information
- Health: checks the health status by using SMART
- Error Scan: scans the surface for errors
- Temperature display


HD Tune Pro gives us accurate read, write and access time results and for the last couple of years has been gaining popularity amongst reviewers. It is now considered a must have application for storage device testing.



Read Tests




Just like the Cheetah 15K.7, the Savvio 15K.2 also sees a performance increase from the SAS 2.0 LSI MegaRAID controller. The average STR is pretty much the same with and without the controller. When compared to the 3.5 inch 15K.7, the Savvio 15K.2 is slower by around 20 MB/s average.


Write Tests




The LSI MegaRAID 92600-8i has 512MB of cache that sometimes throws the maximum write speed numbers off, so we are going to ignore the 300 MB/s burst of the 15K.2 and focus on the average numbers. Here we see that to get the most out of the 15K RPM SAS drives, you really need to use a SAS 2.0 controller. Here the averages are significantly higher with the controller for both the Cheetah and Savvio 15K's. The Savvio 15K is a little slower once again than the Cheetah, but as you can see, much faster than the Savvio 10K.


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