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SMI SM8366: Silicon Motion shows PCIe 5.0 SSD with 3.4 million IOPS

Bit by bit, more and more manufacturers present their PCIe 5.0 SSDs and controllers. This also includes the manufacturer Silicon Motion (SMI), which has now demonstrated the SMI SM8366 controller for the first time. In the enterprise segment, this is supposed to realize up to 14 GB/s and around 3.4 million IOPS (Input/Output operations Per Second).

SMI SM8366 prototype unveiled by Silicon Motion

Silicon Motion debuted its new SMI SM8366 flagship controller at the Flash Memory Summit 2022 in July. It uses 16 memory channels and is connected via PCIe 5.0 x4, which promises a whopping 14 GB/s and over 3 million IOPS for random reading of 4K files.

The controller is aimed at enterprise SSDs, while a similarly fast end customer model with a Silicon Motion SM2508 controller is supposed to work in the Adata XPG PCIe Gen5, for example. However, concrete details and performance data are still missing.

But not about the SM8366, whose performance was demonstrated at the 2022 OCP Global Summit. Which SSD was used was not revealed, but the first performance data was.

Silicon Motion controller gets fast

3.4 million IOPS in random reading of 4K data could be achieved, which corresponds to a data throughput of 13.6 GB/s and thus strongly approaches the maximum promised 14 GB/s of the PCIe 5.0 controller.

Here, Silicon Motion is on par with its competitor Kioxia, which introduced the CM7 in the enterprise segment in July. Here, at least the E3.2 model reaches the maximum possible 14 GB/s.

First pictures from Tweak Town prove the measured speeds and provide a first look at the SSD designs they are aiming for with the SM8366. Optionally with QLC or TLC NAND flash. Here, the 2.5-inch format uses Micron’s QLC NAND N48R with 176 layers, while the E1.S and E3.S models rely on the advanced Micron 3D-NAND v6 with 232 memory layers (B58R).

Silicon Motion’s SM SM8366 is to be offered to enterprise end customers as a finished “MonTitan” platform and is expected to ship before the end of the fourth quarter of 2022. In the consumer segment, PCIe 5.0 SSDs with Phison E26 controllers are expected to make a start.

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There was actually talk here of a release as part of the AMD Ryzen 7000 market launch. This has been done in the meantime, but there is no trace of the SSDs so far.

Simon Lüthje

I am co-founder of this blog and am very interested in everything that has to do with technology, but I also like to play games. I was born in Hamburg, but now I live in Bad Segeberg.

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Bit by bit, more and more manufacturers present their PCIe 5.0 SSDs and controllers. This also includes the manufacturer Silicon Motion (SMI), which has now demonstrated the SMI SM8366 controller for the first time. In the enterprise segment, this is supposed to realize up to 14 GB/s and around 3.4 million IOPS (Input/Output operations Per … (Weiterlesen...)

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