Random Read/Write Speed

This test writes 4KB in a completely random pattern over an 8GB space of the drive to simulate the sort of random writes that you'd see on an OS drive (even this is more stressful than a normal desktop user would see). I perform three concurrent IOs and run the test for 3 minutes. The results reported are in average MB/s over the entire time:

Random write speed looks to be a bit better with the new firmware. The 80GB G2 being a little faster than the 160GB version for some reason. With enough free space, the Kingston SSDNow V performs similarly to a non-TRIM enabled X25-M G2.

Sequential Read/Write Speed Overall System Performance using PCMark Vantage
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  • mrt2 - Monday, November 23, 2009 - link

    Ok so with all this new data in mind, what's currently the fastest, least performance degrading 256GB SSD you can get for under $1000? I'm currently running Snow Leopard on a dual quad core Mac Pro... I'm not sure Snow Leopard supports any of the new technologies like TRIM or not... but whatever the best 256GB SSD I can get, that's what I'd like....
  • rdhir - Wednesday, November 18, 2009 - link

    WARNING on Intel Matrix drivers

    I just wanted to add a word of warning over drivers and SSD. I just built a new i5 750/P55 system with a Corsair X64 drive (Indilinx). While the system worked fine in bits it frequently froze. I tried lots of things to cure it, but in the end the fix was simple. I HAD to use the Intel drivers to avoid intermittent freezing.

    Because I had made the SSD the C:drive and used a 1TB Samsung F2 as the D: drive, I had not wanted to lose TRIM support, until the new AHCI drivers came out, but MS drivers don't work. reference article is here http://derek858.blogspot.com/2009/01/windows-7-int...">http://derek858.blogspot.com/2009/01/windows-7-int...

    Reading around some of the othere references Its inconsistent and depends on how the drives implements the command set so your mileage may vary but I think its a big issue.

    I think we could all do with an article on how best to configure an SSD based system. I decided that I wanted to move "Users" and all associated hidden directories to the D: drive (a 1TB HD) leaving the 64GB for Windows and Apps. This would mean it would never get too full.

    I'm amazed at how difficult Microsoft make it to shift the "Users" directory to another drive. In fact they have a Knowledge base article saying not to - Linux easy, just map /home elsewhere.

    In the end I followed some instructions to create a junction from C:\Users to D:\Users, but its non-trivial and involves opening a command window in the middle of the installation process.

    Yes I'd like to have done it with an autounattend.txt but the MS KB articles says it won't really work.
  • mapesdhs - Thursday, November 19, 2009 - link


    > In the end I followed some instructions to create a junction from
    > C:\Users to D:\Users, but its non-trivial and involves opening a
    > command window in the middle of the installation process.

    I can't see this sort of thing becoming any easier until MS ditches
    the archaic idea of drive letters and switches to a more natural
    unified file system such as is used with all UNIX OS variants.

    (oh look, the pits of hell seem to be getting a tad icey...)

    Ian.

  • MadAd - Thursday, November 19, 2009 - link

    "I think we could all do with an article on how best to configure an SSD based system"


    That would be great
  • CuriousMike - Monday, November 23, 2009 - link

    " "I think we could all do with an article on how best to configure an SSD based system"


    "That would be great " "

    Thirded.

    The variety of do's and don'ts (and conflictions) are numerous:
    -do disable pagefile. don't. oh, which OS?
    -don't defrag disk. do. oh, which OS?
    -use ram disk for temp files. don't. no, wait, do.
  • ol1bit - Wednesday, November 18, 2009 - link

    I can't believe they don't have firmware for my drive to trim it... I just bought the sucker 3 months ago.....

    Intel X25-M SSDSA2MH080G1 80GB SATA II MLC Internal Solid state disk (SSD)
  • dagamer34 - Wednesday, November 18, 2009 - link

    No TRIM for G1 drives. Sorry.
  • yacoub - Tuesday, November 17, 2009 - link

    An old article reposted as new simply because of a couple-sentence-long update? Interesting.

    Also, $85? No, try $130 and no MIR. Thanks ScrewEgg!
    http://www.newegg.com/Product/Product.aspx?Item=N8...">http://www.newegg.com/Product/Product.a...pk=kings...
  • 7Enigma - Tuesday, November 17, 2009 - link

    If the only update was the 2 short blurbs at the top of the first page I don't think this entire article should be reposted. A simple statement with a link to the previous article would be fine. I just wasted a couple minutes going through each page realizing nothing was new....not cool. I was psyched for another SSD article Anand!
  • max22 - Tuesday, November 17, 2009 - link

    I installed Intel's pulled firmware fine on my G2 drives. Nothing happen to them at all. I think the whole issue has been blown way over the top.

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