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PNY CS2140 1TB NVMe M.2 Gen4 SSD $109 + $9.90 Delivery @ PC Byte

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May not be the fastest Gen 4 NVMe drive but its a pretty good price

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  • +1

    No DRAM cache, 1TB version with 400 TBW, PCIe 4 speed feels like mid PCIe 3 speed.

    Pretty cheap tho

    • +1

      Yeah, just treat this like a PCIe3 SSD.
      I'm still waiting for a sub $100 1TB NVME SSD deal for game storage, don't mind if it's only PCIe3.

    • +3

      Sometimes I think we lose perspective at how fast things run now and we really can't see the difference between something like this and cutting edge models.

  • +1

    Phison E19 based SSD so DRAMless. So, if you are trying to resist it, some of the nitpicks are:

    • Performance is more like PCIe gen 3 x4. It actually struggles to beat the current PCIe gen 3 x4 flagship products (970 Evo Plus, WD SN750 (non SE)).
    • It is Phison based so 1TB won't be ideal (you want 2TB), but then again, do you really want a low end PCIe gen 4 x4 2TB SSD?
    • DRAMless and there is little information on its true sustained write speed (don't expect anything over 1GB/s sustained on this).
    • NVMe 1.3 (in case NVMe 1.4 is a must for you).

    Now, the PS5 factor:

    Yes, it will work, but it is basically due to Sony does bare minimum to test the PS5 SSD and will allow SSD that's below required minimum speed to operate, as long as it is PCIe gen 4 x4. So, it is basically cheating (just like a lot of other SSDs such as SN750 SE).

    This SSD doesn't appear to try to cheat in the zero fill test, so its test result in PS5 is really bad (less than 3000). However, for now, it does show that in reality, top end PCIe gen 3 x4 SSDs are fast enough for PS5, it's just Sony won't allow them.

    • What are your thoughts on future DirectStorage support? Seems MS were specifying at least 2500MB/s sequential read.

      • It looks good on paper, but, so far, in reality, not impressive yet. Quoting pcgamer.com:

        The difference in actual load times isn't quite so marked though, at 1.9s (DirectStorage) versus 2.1s for the Win32 API.

        That's with 4,829MB/s using DirectStorage vs 2,862MB/s using Win32. However, we are seeing developers taking advantage of NVMe SSDs better in newer games.

        The 2500MB/s sequential read minimum requirement probably has something to do with Series X|S (PCIe gen 3 x4 or PCIe gen 4 x2 if you insist).

  • Thanks Op. ordered one for the new 5700g (maybe 5600g) build. :)

    • There is a youTube review on this, but it is not in English (so I cannot quite understand it), but my guess is that reviewer tested both X570 CPU m.2 slot and the chipset m.2 slot and found it runs better on the CPU m.2 PCIe gen 4 x4 slot, compared to the X570 chipset's PCIe gen 4 x4 slot. Though, it does feel a bit like the SN850 issue, except there is probably no firmware update from PNY to address it. Probably not a big deal, just slower. However, if you have B550, you only have 1 PCIe gen 4 x 4 m.2 NVMe SSD slot anyway and that's connected to the CPU directly.

  • It is also good to buy an NVMe enclosure and use this SSD as an external SSD. 1TB and 1000MB/s at this price is not bad.

    • -1

      Just need a decent NVME enclosure that doesn't cost too much and impede on the transfer speed.

    • It's a bit tricky.

      USB 3.2 gen 2 NVMe enclosure is essentially PCIe gen 3 x2. I guess you could think of it as once the SLC cache is depleted, the sustained write is probably going to be below 1000MB/s.

      USB 3.2 gen 2x2 is not popular enough and enclosures are more expensive. Thunderbolt 3/4, enclosures are even more expensive. Furthermore, both types are only PCIe gen 3 x4 maximum. I guess it is okay to treat this as a PCIe gen 3 x4 NVMe SSD since its performance is more in that range than a proper PCIe gen 4 SSD.

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