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Vantec NexStar CB-SATAU3 SATA to USB 3.0 Adapter (Page 6)

By Chris Ramseyer on Aug 20, 2010 04:42 am CDT
Rating: 90%Manufacturer: Vantec

CrystalDiskMark

Version and / or Patch Used: 3.0 Technical Preview
Developer Homepage: http://crystalmark.info
Product Homepage: http://crystalmark.info/software/CrystalDiskMark/index-e.html
Download here: http://crystaldew.info/category/software/crystaldiskmark

CrystalDiskMark is a disk benchmark software.

Key Features:-

* Sequential reads/writes
* Random 4KB/512KB reads/writes
* Text copy
* Change dialog design
* internationalization (i18n)

Note: Crystal Disk Mark 3.0 is not available to the public yet, but the Technical Preview does allow us to test 4K performance at queue depths of 4 and 32 in addition to 1. The current release Crystal Disk Mark only shows us QD 1.


Crystal Disk Mark Tests

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In a recent announcement the makers of CDM stated that they were making the 1000MB test the default benchmark so we have changed over from the 100MB test and started using the 1000MB test in our reviews.

USB does not take advantage of NCQ so queue depths do nothing for USB 2.0 or 3.0 performances. Here we do get a chance to observe the 4K numbers. Just like in the STR testing we see that the adapter allows our drive to keep a steady pace, but USB 3.0 is still not able to let the fastest SSD in the world run at native speeds.

Current NEC USB 3.0 controllers are not able to run at the full 5 Gbps speed that USB 3.0 is spec'ed at. We will need to wait for Intel to launch their USB 3.0 South Bridge for that to come about.

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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.

We openly invite the companies who provide us with review samples / who are mentioned or discussed to express their opinion. If any company representative wishes to respond, we will publish the response here. Please contact us if you wish to respond.

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