Silicon Motion introduces PCIe Gen 5 SSD Controller for Superior Performance Efficiency


August 5, 2024 by our News Team

Silicon Motion Technology Corporation has launched the SM2508, a PCIe Gen 5 NVMe 2.0 client SSD controller with remarkable power efficiency and impressive performance speeds, making it a game-changer in the industry for AI PCs and gaming consoles.

  • The SM2508 offers a 50% reduction in power consumption compared to competitors, making it extremely power-efficient.
  • It outperforms PCIe Gen 4 SSDs by 1.7 times in terms of power efficiency, and even surpasses current competitive PCIe Gen 5 products by up to 70%.
  • The SM2508 supports eight NAND channels with speeds of up to 3,600 MT/s per channel, delivering mind-blowing sequential performance speeds of up to 14.5 GB/s and 13.6 GB/s, as well as random performance speeds of up to 2.5M IOPS.


Silicon Motion Technology Corporation, the global leader in NAND flash controllers for solid-state storage devices, has just launched its latest innovation: the SM2508. This PCIe Gen 5 NVMe 2.0 client SSD controller is designed specifically for AI PCs and gaming consoles, making it a game-changer in the industry.

What sets the SM2508 apart from its competitors is its remarkable power efficiency. Utilizing TSMC’s 6 nm EUV process, it offers a 50% reduction in power consumption compared to controllers using the 12 nm process. With less than 7 W power consumption for the entire SSD, it outperforms PCIe Gen 4 SSDs by 1.7 times in terms of power efficiency. In fact, it even surpasses current competitive PCIe Gen 5 products on the market by up to 70%.

But what does all this technical jargon mean for the average consumer? Well, it means that the SM2508 is a powerhouse when it comes to performance. It supports eight NAND channels with speeds of up to 3,600 MT/s per channel, delivering mind-blowing sequential performance speeds of up to 14.5 GB/s and 13.6 GB/s, as well as random performance speeds of up to 2.5M IOPS. In simpler terms, it’s super fast.

One of the key features of the SM2508 is Silicon Motion’s proprietary 8th-generation NANDXtend technology. This technology includes an on-disk training algorithm that reduces ECC timing, boosting performance and maximizing power efficiency. It also ensures compatibility with the latest 3D TLC/QLC NAND technologies, allowing for higher data density and meeting the demands of next-generation AI PCs.

Nelson Duann, Silicon Motion’s Senior VP of Client & Automotive Storage Business, explained the significance of this innovation. He said, “SSD storage solutions are continuously evolving to meet the new challenges posed by future AI applications, which demand data efficiency and high-performance models. Our PCIe Gen 5 SSD controller, with its best-in-class power efficiency, is designed to satisfy the unique demands of today’s AI-capable PCs, delivering high performance and power efficiency to meet the evolving AI PC standards of tomorrow.”

In addition to the SM2508, Silicon Motion will also be showcasing other products at the Future of Memory and Storage event. One of these is the MonTitan PCIe Gen 5 Enterprise SSD Development Platform, which is specifically designed for AI storage workloads. With impressive sequential performance speeds of 14 GB/s and 3.5 M IOPS random SSD performance, this platform is a force to be reckoned with.

Another notable product is the SM8366, which supports capacities beyond 128 TB and provides up to 2400MT/s of TLC and QLC NAND. This high-performance SSD is perfect for those who require massive storage capabilities.

Silicon Motion is not only focused on AI PCs and gaming consoles, but also on AI smartphones. Their UFS 4.0 and USB storage solutions are designed to meet the demands of these devices. The SM2756 UFS 4.0 controller, for example, is 65% more power-efficient than its previous-generation counterpart, while the SM2322 USB SSD controller doubles the capacity of portable SSDs.

But Silicon Motion’s innovations don’t stop there. They also offer advanced storage solutions for AI in automotive and IoT edge applications. The SM2264XT-AT Automotive-grade SSD Controller, for instance, consumes 30% less CPU power than PCIe Gen 4 SSDs without SR-IOV. This means that it’s not only efficient but also reliable in demanding environments.

With all these products, it’s clear that Silicon Motion is at the forefront of the industry. Their commitment to delivering high-performance, power-efficient solutions is evident in every innovation they bring to the market. So, whether you’re a tech enthusiast, a gamer, or an AI professional, keep an eye out for Silicon Motion’s latest products. They’re definitely worth the hype.

Silicon Motion introduces PCIe Gen 5 SSD Controller for Superior Performance Efficiency

Silicon Motion introduces PCIe Gen 5 SSD Controller for Superior Performance Efficiency

Silicon Motion introduces PCIe Gen 5 SSD Controller for Superior Performance Efficiency

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Background Information


About TSMC:

TSMC, or Taiwan Semiconductor Manufacturing Company, is a semiconductor foundry based in Taiwan. Established in 1987, TSMC is a important player in the global semiconductor industry, specializing in the manufacturing of semiconductor wafers for a wide range of clients, including technology companies and chip designers. The company is known for its semiconductor fabrication processes and plays a critical role in advancing semiconductor technology worldwide.

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Technology Explained


CPU: The Central Processing Unit (CPU) is the brain of a computer, responsible for executing instructions and performing calculations. It is the most important component of a computer system, as it is responsible for controlling all other components. CPUs are used in a wide range of applications, from desktop computers to mobile devices, gaming consoles, and even supercomputers. CPUs are used to process data, execute instructions, and control the flow of information within a computer system. They are also used to control the input and output of data, as well as to store and retrieve data from memory. CPUs are essential for the functioning of any computer system, and their applications in the computer industry are vast.

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EUV: Extreme Ultraviolet Lithography (EUV or EUVL) is an advanced semiconductor manufacturing technique that employs extremely short wavelengths of light in the extreme ultraviolet spectrum to create intricate patterns on silicon wafers. Utilizing a wavelength around 13.5 nanometers, significantly shorter than traditional lithography methods, EUVL enables the production of smaller and more densely packed integrated circuits, enhancing the performance and efficiency of modern microprocessors and memory chips.

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NAND: NAND technology is a type of non-volatile memory that is used in many computer applications. It is a type of flash memory that is used to store data in a non-volatile manner, meaning that the data is not lost when the power is turned off. NAND technology is used in many computer applications, such as solid-state drives, USB flash drives, digital cameras, and memory cards. It is also used in many embedded systems, such as cell phones, tablets, and other consumer electronics. NAND technology is a reliable and cost-effective way to store data, making it a popular choice for many computer applications.

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NVMe: Non-Volatile Memory Express (NVMe) is a newly developed technology that has been gaining traction in the computer industry. This technology is a standard interface which allows for high-speed storage and retrieval of data from solid state drives (SSDs). NVMe is designed to increase the speed of data transfers in storage systems by enabling a direct connection to PCI Express (PCIe) bus, resulting in significantly faster access times compared to traditional interface protocols such SSDs. NVMe is particularly useful for applications that require lightning-fast access to large amounts of high-value data. NVMe-based SSDs are being widely adopted in the computer industry and are being employed to power data centers, high-end workstations, and gaming machines to support lightning-fast data processing and retrieval, which unlocks possibilities for machine learning, real-time analytics, edge computing, and other cutting-edge applications. NVMe is proving to be an invaluable tool in the field of computing, offering immense

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PCIe: PCIe (Peripheral Component Interconnect Express) is a high-speed serial computer expansion bus standard for connecting components such as graphics cards, sound cards, and network cards to a motherboard. It is the most widely used interface in the computer industry today, and is used in both desktop and laptop computers. PCIe is capable of providing up to 16 times the bandwidth of the older PCI standard, allowing for faster data transfer speeds and improved performance. It is also used in a variety of other applications, such as storage, networking, and communications. PCIe is an essential component of modern computing, and its applications are only expected to grow in the future.

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SSD: A Solid State Drive (SSD) is a modern data storage device that employs flash memory technology to store data electronically. Unlike traditional hard disk drives (HDDs), SSDs have no moving parts, resulting in significantly faster read and write speeds. This leads to quicker boot times, faster application loading, and smoother overall system performance. SSDs are known for their durability, shock resistance, and energy efficiency, making them ideal for laptops, ultrabooks, and other portable devices. They come in various form factors, including 2.5-inch, M.2, and PCIe cards, and are favored for their reliability, quiet operation, and reduced heat generation

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