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SanDisk Extreme PRO 480GB SSD Review (Page 4)

By Chris Ramseyer on Jun 28, 2014 at 12:25 am CDT - 1 min, 13 secs reading time for this page
Rating: 96%Manufacturer: SanDisk

HD Tune PRO - Sequential Performance

Version and / or Patch Used: 4.55

SanDisk Extreme PRO 480GB SSD Review 52 |

With the drive in a clean state, we start to wear the flash down with a read and write across the full span of the user LBA area. This test really starts out the whole theme of the Extreme PRO; it's a cut above every other drive on the market. In HD Tune Pro, using 64Kb sequential reads, the drive delivers an average of 473.5 MB/s. The top end of the same is 474 MB/s, and the other end is 468.5 MB/s.

SanDisk Extreme PRO 480GB SSD Review 53 |

Writing data is what wears the drive's flash down to a steady state. Even in this test at a queue depth of one, you can see the other drives start to lose performance as the write speeds 'wave' up and down as blocks take the first writes. Two drives on the chart, the Extreme PRO and Extreme II, produce the tightest write speed group.

HD Tach - Sequential Write Performance after Random Writes

Version and / or Patch Used:

SanDisk Extreme PRO 480GB SSD Review 54 |

Here we see the Extreme PRO 480GB SSD's sequential test after a reasonable number of random writes. At the time of the test, the drive is managing garbage collection in order to write the new 128Kb data to the flash. The write performance drops to 225 MB/s in one area, but for the most part, the write speeds hover between 300 MB/s and 350 MB/s.

Last updated: Nov 15, 2019 at 01:16 pm CST

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ABOUT THE AUTHOR - Chris Ramseyer

Chris Ramseyer started his career as a LAN Party organizer in Midwest USA. After working with several computer companies he was asked to join the team at The Adrenaline Vault by fellow Midwest LAN Party legend Sean Aikins. After a series of shake ups at AVault, Chris eventually took over as Editor-in-Chief before leaving to start Real World Entertainment. Look for Chris to bring his unique methods of testing Hard Disk Drives, Solid State Drives as well as RAID controller and NAS boxes to TweakTown as he looks to provide an accurate test bed to make your purchasing decisions easier.

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