Silicon Motion (SM) spoke again about its plans to launch the SM2508 controller, made for PCIe 5.0 SSDs – with the promise of reducing energy consumption and, consequently, generating less heat. The manufacturer’s intention is to bring this improvement while maintaining its operations at high speed.
The SM2508 SSD controller is based on Arm’s Cortex-R8 cores, with eight NAND channels and 32 CE targets – supporting interface speeds of up to 3600 MT/s and can achieve 14.5 GB/s and 14 GB/s read and sequential writing, respectively. Furthermore, its random reading and writing can reach 2.5 million IOPS.
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This information released by SM demonstrates that its PCIe 5.0 SSD controller can achieve even greater performance than that seen in Phison’s PS5026-E26.
However, what really stands out is that it will be produced on TSMC’s 6nm process – allowing its peak power consumption to be 3.5W. SM claims that drives based on this controller will consume around 7W, the lowest ever recorded in current PCIe 5.0 SSDs.
Part of the public knows that maintaining the temperature of your SSD while performing tasks that require high speed is a major challenge. The proposal aims to maintain its best performance, but consuming less energy and generating less heat – even guaranteeing a longer useful life of your drive.
SM wants to make it available in 2024
SM’s plans are to launch the SM2508 controller for PCIe 5.0 SSDs by the end of the year, recently working on its firmware and qualifying it for several different memory types – including 3D TLC NAND for high-performance SSDs.
According to the specifications they present, the controller will also support 3D QLC NAND. Although the technology is not yet popular, it is an interesting approach that could open doors for manufacturers who wish to work with this type of memory.
Considering that the fastest 3D NAND flash memories on the market follow a standard close to the 2,400 MT/s interface and saturate PCIe 5.0×4, SM has a great advantage in bringing support for 3600 MT/s ONFI/Toggle DDR.
With this, it will ensure with its controller that high-end SSDs are produced without using multiple memory devices – which could become essential for the next generation of 3D TLC to reach 1TB or an even larger amount.
Source: Tom’s Hardware
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