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Sunday, August 29, 2010
Read/Write Speed of a Regular Thumbdrive
[ZOMBiE CyGiG] ranted at 10:00 PM --- Post#3896751293716446612

I always wanted to test how does the rear, front or extension cable affect the transfer speed of a regular thumbdrive. I'm not quite interested in high-performance thumbdrives that can fly to space cos I'm too poor to use them, therefore I chose to test with one of the cheapest 16GB you can find in SLS.

I intend to use it for ReadyBoost on another test to find out how effective ReadyBoost is. According to Wikipedia, the solid state storage for ReadyBoost should be "capable of 2.5 MB/s read speeds for 4 KB random reads spread uniformly across the entire device, and 1.75 MB/s write speeds for 512 KB random writes spread uniformly across the device."

Now here is the 16GB thumbdrive I've got from Toshiba at SLS for $46. The packaging states that it supports ReadyBoost.

The thumbdrive, packaging, instruction manual, receipt and NETS invoice.

Here it is...

Can open one.

Then put at the back.

Without further a do, here are the results:

Rear USB Port

Front USB Port (Connected to Mid-MotherBoard USB)

Rear USB Port with 1.5m ATake USB Extension

Read USB port seems to be very slightly better at sequential and 512KB blocks write, while front USB port seems to be better in 4KB Q32 blocks read. Otherwise, the other readings dun differ much from one another. All three pass the requirements for ReadyBoost as well. Looking at the minute difference in speed, it is safe to say that for a regular thumbdrive, you get more speed from the rear USB port, then the front one, then the cable extended rear one, but the difference is so small that it might not even make any significance in real life usage.

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