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SanDisk Extreme II 240GB SSD Review - Benchmarks - Sequential Performance

SanDisk Extreme II 240GB SSD Review
The 256GB capacity class is the sweet spot for enthusiasts. This size maximizes the price, capacity and performance ratio. SanDisk has high hopes for Extreme II, but in order to sell these drives in big numbers, it has to do well here. (NASDAQ:SNDK)
By: | SSDs in Storage | Posted: Jun 3, 2013 4:30 pm
TweakTown Rating: 94%Manufacturer: SanDisk

HD Tune Pro


Version and / or Patch Used: 4.00

Developer Homepage:

Product Homepage:


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 gained popularity amongst reviewers. It is now considered a must have application for storage device testing.





The SanDisk Extreme II hits a home run with its first time at bat. The average sequential read performance across the drive is a chart topping 475.8MB/s.


Someone wake up Samsung and OCZ, SanDisk just crashed the hyper-performance party!




The SanDisk Extreme II is a switch hitter; it can swing the bat writing sequential data across the drive, too. The 441MB/s write average in HD Tune Pro is also higher than Samsung's 840 Pro.



HD Tach - Sequential Write Performance after Random Writes




The sequential write performance dips down after a realistic and controlled amount of random writes to the flash. Extreme II has a built-in garbage collection engine so over time the write performance will increase to fresh out of box states.

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