View Poll Results: Does anyone feel noticable difference between the NVMe and AHCI versions of the SM951

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22. You may not vote on this poll
  • Yes i can feel the difference in my applications

    5 22.73%
  • No not really its just a benchmark number

    6 27.27%
  • Turnip

    3 13.64%
  • Whats a SM951?

    8 36.36%
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  1. #111
    ROG Guru: Yellow Belt Array
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    Aeolisio,
    The 512GB OEM Samsung PCIe (AHCI) M.2 Windows 10 OS SSD in my G751JY is only getting 1594MB/s Read &
    1494MB/s Write using Crystal Disk Mark, ATTO, AS-SSD, & Samsung Magician SSD Performance Benchmarks.
    I know the Write Speed is close to the 512GB OEM Samsung SM951 PCIe (AHCI) M.2 SSD's 1500MB/s rated speed
    but do you think my lower READ MB/s is due to thermal throttling? I checked trim on the drive using the DOS trim
    command check tool & it is on & it validated as working.
    Perhaps I should try 1 of your 3d printed PCIe M.2 SSD brackets w/ thermal pads & heatsinks top & btm
    to enable getting closer to the 2150MB/s on the 512GB OEM Samsung SM951 PCIe (AHCI) M.2 SSD Read
    instead of dismal, heat throttled, 1594MB/s Read? 512GB OEM Samsung SM951 PCIe (AHCI) M.2 SSD has
    365GB unused, available space on it. Any optimization suggestions much appreciated. Thanks!
    Last edited by Jon G; 02-23-2016 at 04:49 AM.

  2. #112
    ROG Guru: Green Belt Array hexaae PC Specs
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    Is it available a special version to keep both SSD connected to SATA3 port AND the M.2 PCIe?
    Thread discussing how to arrange them together with a "naked" full-length (128GB+) SSD: https://rog.asus.com/forum/showthrea...e-to-your-G751
    Best solution IMHO: https://rog.asus.com/forum/showthrea...l=1#post487652
    Last edited by hexaae; 02-23-2016 at 12:27 PM.

  3. #113
    Banned Array JustinThyme PC Specs
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    Quote Originally Posted by Jon G View Post
    Aeolisio,
    The 512GB OEM Samsung PCIe (AHCI) M.2 Windows 10 OS SSD in my G751JY is only getting 1594MB/s Read &
    1494MB/s Write using Crystal Disk Mark, ATTO, AS-SSD, & Samsung Magician SSD Performance Benchmarks.
    I know the Write Speed is close to the 512GB OEM Samsung SM951 PCIe (AHCI) M.2 SSD's 1500MB/s rated speed
    but do you think my lower READ MB/s is due to thermal throttling? I checked trim on the drive using the DOS trim
    command check tool & it is on & it validated as working.
    Perhaps I should try 1 of your 3d printed PCIe M.2 SSD brackets w/ thermal pads & heatsinks top & btm
    to enable getting closer to the 2150MB/s on the 512GB OEM Samsung SM951 PCIe (AHCI) M.2 SSD Read
    instead of dismal, heat throttled, 1594MB/s Read? 512GB OEM Samsung SM951 PCIe (AHCI) M.2 SSD has
    365GB unused, available space on it. Any optimization suggestions much appreciated. Thanks!
    The magic 3d printed bracket wont help you. The SM951 OEM actually does not employ thermal throttling and you wont even trigger that with a crystal mark benchmark on a 950 pro. It takes 10-15 minutes of hammering with contant writes with no airflow to trigger thermal throttling on the 950 pro that has throttling enabled.

    There are multiple settings that will change the performance. #1 on the list is to disable prefetch/superfetch. This single thing will make a pretty decent performance bump.

    Hold the Windows Key, while pressing “R” to bring up the Run dialog box.
    Type “services.msc“, then press “Enter“.
    The Services window displays. Find “Superfetch” in the list.
    Right-click “Superfetch“, then select “Properties“.
    Select the “Stop” button if you wish to stop the service. In the “Startup type” dropdown menu, choose “Disabled“

    I posted here somewhere a whole list of tweaks for SSD performance and it didn't include a 3D printed mount that is a direct violation of THIS but I'm no moderator.

  4. #114
    ROG Guru: Black Belt Array toronto699 PC Specs
    toronto699 PC Specs
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    Actually these 3d printed brackets are of good value for G751 owners and they do an important job for some of us , keep up the great work Aeolisio.

  5. #115
    Banned Array JustinThyme PC Specs
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    Quote Originally Posted by toronto699 View Post
    Actually these 3d printed brackets are of good value for G751 owners and they do an important job for some of us , keep up the great work Aeolisio.
    They have their place and are a good alternative mounting idea. But they wont help your speed any.

  6. #116
    ROG Guru: Green Belt Array hexaae PC Specs
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    Quote Originally Posted by JustinThyme View Post
    #1 on the list is to disable prefetch/superfetch. This single thing will make a pretty decent performance bump.
    Not really needed with modern SSDs. Well argued here: http://www.overclock.net/t/1427829/a...#post_20829680. Loading from prefetched RAM will always be faster.
    Even MS removed some KB pages where initially suggested to disable this service for SSD users.
    Last edited by hexaae; 02-24-2016 at 10:01 AM.

  7. #117
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    Just wanted to say thanks for making this bracket, I ordered a red one to Stockholm, Sweden.
    Last edited by Cyberg; 04-21-2016 at 01:41 PM. Reason: removed title

  8. #118
    ROG Guru: Green Belt Array
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    Quote Originally Posted by Cyberg View Post
    Just wanted to say thanks for making this bracket, I ordered a red one to Stockholm, Sweden.
    Your welcome. I only made them to help people.
    3d printed parts and accessories for the G751. You know you want something better than OEM ->https://www.shapeways.com/shops/aeolisio

  9. #119
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    Hi everyone, did it with my G751jt. Nice and shine!!!

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  10. #120
    ROG Guru: Green Belt Array
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    Quote Originally Posted by Cartoon_LuciFer View Post
    Hi everyone, did it with my G751jt. Nice and shine!!!

    Click image for larger version. 

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    Wow nice to see shapeways still makes those. Nice heatsinks aswell. Makes me happy if it still helps people.
    3d printed parts and accessories for the G751. You know you want something better than OEM ->https://www.shapeways.com/shops/aeolisio

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