Micron PCIe SLC SSDs

Discussion in 'Great Deals' started by MiniKnight, Apr 17, 2015.

  1. MiniKnight

    MiniKnight Well-Known Member

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    Are you ready to get scared? Dell 350 GB PCI E SLC SSD | eBay - $900 OBO with 8 available.

    I've heard these are crazy awesome ZIL drives. Low PCIe latency. SLC low latency. SLC high endurance. Like you can use these for really big arrays.
     
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  2. T_Minus

    T_Minus Moderator

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    How would one attach a PCIE SSD that looks like a SATA SSD?

    Does this "fit" a special Dell slot?


    Todd
     
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  3. ATS

    ATS Member

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    Likely just a standard 2.5" NVMe drive. Uses a modified SAS drive connector on the drive and a 12G 4 port SAS connector on the host.
     
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  4. neo

    neo Well-Known Member

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    0 feedback on that seller, hmm
     
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  5. T_Minus

    T_Minus Moderator

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    But is it considered a PCIE drive if it doesn't plug into a PCIE slot?

    IE: You buy it, and you get a 2.5" it's not PCIE or is it because it uses PCIE system?
     
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  6. neo

    neo Well-Known Member

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    It'll appear as if a PCIe card - given bios support. The new Intel 750 SSD uses a SFF-8639 connector to a m.2 PCIe adapter (for consumer boards).

    Intel 750 2.5-inch SSD With NVMe And ASUS Hyper Kit
     
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  7. dba

    dba Moderator

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  8. neo

    neo Well-Known Member

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    So it seems it isn't a NVMe drive, or maybe I'm reading into it too far. "In fact, Dell has confirmed that the backplane, expander card and cabling can all be upgraded as the storage evolves, namely to NVMe" - from the link in the post above me.
     
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  9. dba

    dba Moderator

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    From a 2013 review at Dell PowerEdge R720 12G Review | StorageReview.com - Storage Reviews "Dell's thoughtful design is evident throughout, and the Express Flash components are even upgradable as newer iterations of that technology come out, like NVM Express".

    That they are hinting at future NVMe upgradability of course means that they were not NVMe at the time.

    That was 2013. Now we have a few hints that there is an NVMe driver available:
    NVMe Product Registry | InterOperability Laboratory
    NVM Express™ (NVMe) Testing Services Equipment | InterOperability Laboratory
     
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  10. Patrick

    Patrick Administrator
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    Not NVMe but a custom driver stack that accomplishes basically the same thing. You just download the driver to install.

    I have two of these.
     
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  11. ATS

    ATS Member

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    Yes, the interface is still PCIe and as such its still a PCIe drive. Just means that people need to actually check form factors now, which they should of always been doing.
     
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  12. ATS

    ATS Member

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    Literally everything except the driver stack is NVMe. NVMe 2.5" connector, NVMe cabling (same as 12G SAS 4x), etc.
     
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  13. cesmith9999

    cesmith9999 Well-Known Member

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    every once in a while I wonder as to what you don't have...

    Chris
     
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  14. Jeggs101

    Jeggs101 Well-Known Member

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    This is just pre-NVMe implementation of something like NVMe. PCIe over cable.
     
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  15. gigatexal

    gigatexal I'm here to learn

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    Patrick, you should do a write up of this custom stack vs. "normal" nvme. That'd be a good read!
     
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  16. serverian

    serverian New Member

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    @Patrick, do you have the Linux driver for P320H's? It looks like Micron removed them from the website as they return 404.
     
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  17. DouglasteR

    DouglasteR Member

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    Even when he would said "No, i don´t have it" , actually i wouldn´t believe (He´s probably NDA Classified :D )
     
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