Lexar hits 7 GB/s with new M.2 PCIe 4.0 SDD

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Dec 16, 2019.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    The read and write speed of SSDs are exceeding far beyond what we need in real life. Recently you've already seen M.2 SSDs perform at the 4GB/s and 5GB/s marker, well, no you may add to that Lexar, w...

    Lexar hits 7 GB/s with new M.2 PCIe 4.0 SDD
     
  2. wavetrex

    wavetrex Master Guru

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  3. nizzen

    nizzen Master Guru

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    Only 54MB/s @ 4k random read @ QD=1.

    Even the old samsung 950pro is faster
     
  4. DmitryKo

    DmitryKo Master Guru

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  5. NewTRUMP Order

    NewTRUMP Order Master Guru

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    I am not asking to be a smart alack, but in the article you say the speed is faster than what we need in real life. What speed do we need?
     
  6. nosirrahx

    nosirrahx Master Guru

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    Was coming here to say the same thing. If they could pull off even 100MB/s on 4KQ1T1 this would be a pretty cool advancement.
     
  7. nosirrahx

    nosirrahx Master Guru

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    If you have ever used a 905P as an OS drive it is pretty obvious that we need to replace NAND with a new storage tech that has far lower latency.

    If you were to have an OS drive with only 3000MB/s sequential read but 300MB/s 4KQ1T1 random read it would feel far faster than the drive in this article.
     
    Mesab67 likes this.
  8. schmidtbag

    schmidtbag Ancient Guru

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    A drive like this could be great for high-speed cameras. They need all the write speed they can get. Otherwise, not much else has a use for something like this.
     
  9. maddog55

    maddog55 Active Member

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    Been using a Samsung 960 Evo as a Win10 boot drive and that's fast enuff for moi !.
     
  10. nevcairiel

    nevcairiel Master Guru

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    Thats a problem with all this PCIe 4.0 SSD hype. Everyone boasting about sequential speeds, but for most users those are already quite ample. They should work on improving random access at low QD.
     

  11. anticupidon

    anticupidon Ancient Guru

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    Let's see the bigger picture, the PCI-E 4.0 and those controllers are paving the way for future storage solutions and breakthroughs.
    Anyone remembers the first commercial SSD?
    Comparing the two, you see how things moved and how fast.
    In the next 5-10 years, who knows what will happen!
     
  12. Mesab67

    Mesab67 Master Guru

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    As others have noted, manufacturers badly need focus on getting significantly faster lower QD speeds - and at affordable prices.
     
  13. Srsbsns

    Srsbsns Member Guru

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    Indeed that is bad. Maybe it will get better. My Sabrent Rocket Gen4 does 62MB
     
  14. schmidtbag

    schmidtbag Ancient Guru

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    Although I don't disagree, more often than not, I've found the disk isn't much of a bottleneck when it comes to random reads. I'm still happy with SATAIII to store games because going faster hardly improves load times. Sure, you might see around a 10-15% improvement going from a good SATA drive to NVMe, but to me, the price difference isn't worth it.
     
    Last edited: Dec 17, 2019
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  15. Dazz

    Dazz Master Guru

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    It's a controller limitation of it's 1ms response time nothing to do with bandwidth which is why Intel Optane is faster even on PCIe 3.0x 2x and only 1GB/sec transfer speeds which has access to the memory in the micro seconds. For Intel platforms, but apparently there is a work around for AMD platforms but you need a 3rd Party application so you can tier storage the Optane with a Normal SSD

     

  16. Astyanax

    Astyanax Ancient Guru

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    the 3rd party application is FREE on amd platforms btw.
     
  17. pegasus1

    pegasus1 Maha Guru

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    Moving my games from an SSD to Gen 4 NVMe has seen data heavy games launch way way quicker. The DCS flight Sim both loads and gets into game significantly quicker, that game has a ton of data to load and on SSD it wouldnt be uncommon for a mission to take up to 60 seconds from mission launch to being in the cockpit, on my Gen 4 drive its never more that 20 seconds like for like missions.
     
  18. NewTRUMP Order

    NewTRUMP Order Master Guru

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    So what is the percentage of need vs want? What I mean is sequential read/write speeds have advanced to screaming fast levels, but the 4kq random read/write speeds have lagged behind in speed increase. But what is the difference in need for sequential r/w speeds vs 4kq random 50/50, 75/25, 80/20? Need is always the driving force for advancement in technology. So how badly do we need faster 4kq?
     
  19. pegasus1

    pegasus1 Maha Guru

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    From who's perspective? nobody needs the latest iPhone but clever marketing/peer pressure lead to one becoming a must have. Consumer 'want' turns into industry 'need'.
     
  20. angelgraves13

    angelgraves13 Ancient Guru

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    I want a 32 GB/s drive, but that won’t be until PCI-Express 6.0.

    I don’t actually need it though.
     

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