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  • meacupla - Monday, May 29, 2023 - link

    Wow, those theoretical maximums are fast for something that is "low power" and "mainstream".

    I am correct in assuming the bottleneck for this controller will be at the NAND being unable to keep up with it?
  • Eliadbu - Tuesday, May 30, 2023 - link

    Depends on the task, on the configuration and the NAND.
  • Small Bison - Tuesday, May 30, 2023 - link

    Do the sixteen chip enable lines mean that it would need 4 Tb dies to reach 8 TB?
  • ZeroVelocity - Tuesday, May 30, 2023 - link

    No, it's per channel, so only 1Tbit dies.
  • nandnandnand - Tuesday, May 30, 2023 - link

    More DRAM-less QLC SSDs, yay.
  • Silver5urfer - Tuesday, May 30, 2023 - link

    Phison is not used in Enterprise from what I recall. Also M.2 SSDs from my research very unstable.

    Samsung 980 and 990 Pro lines both of them have Firmware problems and still have lingering issues, sth forum has it mentioned. The BICS5 flash is also kind of similar. Then you have Seagate Firecuda which has top notch endurance going up in bsod and dying, many reviews on Amzn mention that, happens on PS5 installs too, they all die after a year, not sure if a batch is the issue or not. Sabrent uses Phison, I do not think they are rock solid either. Then you have WD 850 series which still have firmware problems, wd official forum has it all a big thread.

    They simply do not have M.2 2280 in Enterprise, I always try to mention this here because people should know, if you look up any SATA 6 GBs standard SSDs for Data Center you have Samsung PM line, Kingstons DC line and Micron has them too. All of them have extreme endurance ratings to the north of 7000TBW+ using TLC. Now you may wonder how and why, that's how Enterprise rolls. Also U.2 SSDs have similar numbers and superior designs, the heat factor is not a thing because they have massive PCB area and the housing is full metal and can work wonders.

    Now we do not have 4.0 saturated enough and moving to 5.0 the sheer stupidity is the active cooling, all for that 14000MBs data rate but IRL the sustained performance once the pseudo SLC cache wares off the whole thing halts like a rock and drops speed. They drop to 800MBs-1500MBs and only few can cross that upto 2000MBs. It's really a joke how we have this market, with 5.0 you get insanely worst looking active coolers for the sub standard useless performance.
  • Samus - Tuesday, May 30, 2023 - link

    Our entire datacenter of supermicro gen 10-gen12 chassis have M2 2280 and M2 22110 SSD's. Thousands of them, majority Toshiba and Samsung, most 960GB-1.92GB and many years old. 0 failures.
  • Silver5urfer - Tuesday, May 30, 2023 - link

    22110 is Enterprise class but I do not see much of 2280 class M.2 drives used with higher capacity than Consumer storage.
  • dotjaz - Thursday, August 10, 2023 - link

    >22110 is Enterprise class

    So? Is it not still M.2?
  • Chris_Ramseyer - Tuesday, May 30, 2023 - link

    ...other than having the fastest enterprise controller on the market today with E20. Seagate has the exclusive rights to it. Over 7,400 MB/s seq read and 1.75M random read IOPS (4K).

    E18 can sustain over 3,000MB/s seq write BTW post pSLC cache.

    Your post has a lot of outdated info.

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