Saturday, 26 July 2014

SanDisk 64 GB USB 3.0 Extreme - Speed Test

Recently purchased one of the SanDisk Extreme USB 3.0 Flash Drives which claims to be x45 times faster than USB 2.0. Based on the company's specifications, this Extreme USB is capable of 245MB/s read speed and 190MB/s write speed. 

I wanted to test it over different systems in order to note the speed variations. 
So, this post is just to give out some figures to anyone who wants to have an idea about the performance of this flash drive.

SanDisk Extreme USB 3.0 
   |--> connected to a USB 2.0 port, copying from HDD*, speed noted: 25 MB/s | Win 7
   |--> connected to a USB 3.0 port**, copying from HDD, speed noted: 35-40 MB/s | Win 7
   |--> connected to a USB 3.0 port, copying from SSD***, speed noted: 190 MB/s | Win 8.1
   |--> connected to a USB 3.0 port, copying to SSD***, speed noted: 234 MB/s | Win 8.1

  * Laptop 2.5" HDD, 5500 RPM
 ** USB 3.0 port of a PCMCIA Express Card, on Laptop 2.5" HDD, 5500 RPM 
*** SSD Crucial M550, 256MB

Even though SanDisk claims that the USB 3.0 Extreme can do up to 190MB/s when writing to it, I was surprised to see that the write speed recorded reached that number. 
The SanDisk Extreme USB 3.0 Flash Drive is as fast as it claims to be. 

Creating a VM onto this USB drive runs smoothly, and without any problems. Read and write speeds allow you to interact with the guest OS without any noticeable delays. The Laptop specifications were: Intel(R) Core(TM) i5-3337U, 8GB RAM, Win 8.1

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