头头体育滚球官网 www.compressmachine.com With the annual Flash Memory Summit kicking into high gear this week, Memblaze will be showcasing one of the industry’s first ultra-low latency NVMe SSDs based on Toshiba’s XL-Flash memory. The drives promise consistent, high performance as well as ultra-low latencies and will compete against Intel’s Optane and Samsung’s Z-NAND drives for mission critical and performance-demanding applications.

The Memblaze PBlaze X26-series drives are based on Microsemi's Flashtec NVMe2016 controller and are paired with Toshiba’s XL-Flash memory. XL-Flash was announced last year, promising to reduce operational latencies by an order of magnitude compared to 3D TLC NAND (i.e., 1/10th of 3D TLC NAND latency). Memblaze claims that prototypes of the PBlaze X26-series SSDs feature a 4K random write latency under 10 μs and a 4K mixed read-write latency as low as 26 μs on average. In fact, the company expects the final drives to offer a latency of below 20 μs. This is still higher when compared to Intel’s Optane SSDs, but these SSDs are expected to be cheaper as well.

Here is what Taile Zhang, Memblaze’s senior vice president of products, said:

“Based on Memblaze’s core flash memory technology, PBlaze5 X26 brings advantages of XL-FLASH’s ultra-low latency, high QoS and provides fast, stable performance across the enterprise. Compared to 3D XPoint and other SCM media, XL-FLASH has an obvious price advantage that offers the PBlaze5 X26 series a boost for market acceptance and wide adoption across the industry.”

Memblaze is not sharing any further details about the drives at this time, yet it does reveal a product name — the PBlaze5 X26 800 — which could possible indicate an 800 GB capacity.

The manufacturer is currently sampling the drive with select customers and plans to ship commercial products in 2020.

NOTE: Image is for illustration purposes only.

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Source: Memblaze

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  • austinsguitar - Monday, August 05, 2019 - link

    i love the ideo of extremely fast pcie ssd's like these as boot devices, but manufacturers are making booting from them sometimes a nightmare. could be very useful for pcie4.0 because those nvme drives are hot <litterally steaming hot. also most people arnt using 4 pcie devices. Reply
  • stephenbrooks - Monday, August 05, 2019 - link

    Would be interesting to see a benchmark to see how much this sort of flash improves boot times, or whether you really need to be running a big database/server on it to see the benefits. Reply
  • igavus - Tuesday, August 06, 2019 - link

    They won't improve boot times by much, because most of the boot time is not actually I/O bound.

    https://elinux.org/Boot_Time - if you want to read some more. It's terrible that we still spend more than a second booting on average, but yeah. Mostly for reasons of legacy support.
    Reply
  • npz - Tuesday, August 06, 2019 - link

    It's all disk bound until it isn't. My hard drive linux system is constrained by the hard disk. I see and hear the disk constant during boot. It takes another 30 secs after booting just to login, loading the window manager environment. Again, all hard drive access.

    Even if boot was bound by sequential boot script access (hence the move to parallelizing init processes), that too can be improved by faster I/O access. Just finish each sequential file access faster and boot still improves.

    The only factor that isn't improved by disk access is initializing I/O devices if you have a lot of sophisticated controllers
    Reply
  • CallumS - Tuesday, August 06, 2019 - link

    The Intel Optane 900P/905P drives in my testing don't really reduce boot times much over standard NAND drives.

    Loading applications and executing SQL queries against databases not in memory, they're in a completely different league, though. Am really looking forward to more affordable low latency drives as for my workflows (enterprise applications with large DBs), they do make quite a significant difference.
    Reply
  • zepi - Thursday, August 08, 2019 - link

    Personally I don't understand boot time measurements at all. I need to reboot my computer about once a month for security patches and driver updates. Why would I care if it takes few seconds more or less?

    Sleep-mode has been invented forever ago.
    Reply

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