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LSI SandForce 5 Series SSD Firmware - TRIM Lost and Found, Performance Investigated - Unformatted Tests, Sequential and Access Times

By: Chris Ramseyer | Editorials in Storage | Posted: Aug 1, 2012 1:24 pm
Manufacturer: LSI SandForce

HD Tune Pro














Just like with the reviews, these early tests are more for conditioning the drive, getting the flash read and written to. At the same time we get to see fresh out of box performance.



HD Tach




I'm not going to comment on all of the tests, but a few will get the analyst treatment. After the HD Tune Pro tests we can see in HD Tach that the working TRIM drive is in much better shape than the broken TRIM drive. The average write speed is already 100MB/s faster or in this case, 100MB/s more performance is retained.


Notice that each graph is on a different scale.



AIDA64 Random Access Time






The write access times (latency) are much smoother on the working TRIM model. As you can see, just from the light use we've already put these drives through the non-TRIM firmware is already going through the full read, erase, write cycle whereas the other drive gets the shortcut we call TRIM.

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