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SanDisk Extreme 240GB SSD with 24nm Toggle Mode Flash Review - Benchmarks - CrystalDiskMark

We've seen prototype SandForce drives on display with 24nm Toggle Mode flash for nearly a year, but SanDisk is the first partner to launch such a product.

| SSDs in Storage | Posted: Feb 28, 2012 9:15 am
TweakTown Rating: 91%      Manufacturer: SanDisk

Editor Note: After this article was published we learned that TRIM was not working on our test system at the time the Extreme 240GB was tested. A follow up article has been published with accurate benchmarks. Please read it here.




Version and / or Patch Used: 3.0 Technical Preview

Developer Homepage:

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CrystalDiskMark is a disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy.


Key Features:-


* Sequential reads/writes

* Random 4KB/512KB reads/writes

* Text copy

* Change dialog design

* internationalization (i18n)


Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.


TweakTown image content/4/5/4578_20_sandisk_extreme_240gb_ssd_with_24nm_toggle_mode_flash_review.png


In CDM we're looking at 4K and native command queuing performance. The SanDisk Extreme delivers a good 4K read speed, right around 40MB/s. That number increases as commands are stacked. At 32 read commands the Extreme hits 212MB/s which is good, but not as fast as the Vertex 3 240GB when we tested it.


TweakTown image content/4/5/4578_21_sandisk_extreme_240gb_ssd_with_24nm_toggle_mode_flash_review.png


The single command 4K write speed on the Extreme is very impressive, just over 132MB/s. Once again that number increases by a large amount when the commands are piled on.

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