Why is my Kingston v300 SSD slower after less than a month? Windows Index for disk transfer down from 8.1 to 8.0

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curioususer123

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Sep 15, 2013
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I did a fresh install today and my disk transfer rate is slower than most on Google benchmark, it is 426mb/s read 140mb/s write when it should be about 476mb/s read and 170mb/s write. My disk transfer rate also went down.

I have been transferring a lot of files to and fro my SSD, I've put a lot of 8gb games and deleted them too. Does this affect SSD? I also 'tweeked' my SSD by disabling system protection, removed indexing and trimmed it.

Any ideas? :(
 
Solution
gorskiegangsta


The TRIM command tends to go into action every time a part of the drive is overwritten. So, that'd be upon startup (as the OS loads/modifies system files), when you empty recycle bin, when you download or create a new file, etc.. That said, it is still up to the drive controller to execute the actual garbage collection which, sometimes, takes time. There's no need to keep your computer at a login screen, but since your SSD model does idle-time garbage collection, you...
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Ryan Klug

Ryan Klug

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SSD's are fastest right out of the box. That's why the companies don't want reviewers to "burn them in" to determine their steady-state performance. That's where you're at after a month of usage: steady-state.
 
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curioususer123

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So, it's like this for everyone and not just for me?
 
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curioususer123

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Never, I built my computer half a month ago. I did TRIM myself by going into optimization, should I leave my computer on at night?
 
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curioususer123

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I've changed my power settings to always keep hard disk on, I'll leave my computer on and see if there is any change tomorrow.
 
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curioususer123

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I left my computer on but not sure if garbage collection occured. I built my own desktop and went into settings and changed the power settings so hard disk is set to 'never', I put the computer to sleep after that. Any help/suggestions on my original question too?
 
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Ryan Klug

Ryan Klug

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I wouldn't sweat a 30 MB/s drop in performance from a SSD. But if you want to feel a real difference, a Samsung 840 Pro will get you 500+ MB/s read and write. Of course, you pay for the privelige of speed.
 
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curioususer123

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I am worried it will get worse.

 
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Ryan Klug

Ryan Klug

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I'm not a betting man, but I am almost certain it won't from this point. However, you can keep an eye on it and if it does, return it under warranty (3 yr).
 
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gorskiegangsta

gorskiegangsta

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The TRIM command tends to go into action every time a part of the drive is overwritten. So, that'd be upon startup (as the OS loads/modifies system files), when you empty recycle bin, when you download or create a new file, etc.. That said, it is still up to the drive controller to execute the actual garbage collection which, sometimes, takes time. There's no need to keep your computer at a login screen, but since your SSD model does idle-time garbage collection, you could give it extra idle time to let the drive's controller do its thing (e.g. leaving the machine on, doing nothing or little - browsing/). Disabling hard disk sleep is a good idea too, since SSDs don't go into "sleep" mode anyway.

As for why the SSD is slower than advertised, those advertised numbers show peak performance (i.e. absolute maximum a drive can achieve, when it's new and empty). Real-life usage speeds will undoubtedly differ. I wouldn't worry about it, as those numbers aren't too far from those under peak conditions.
 
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