Silicon Motion unveils next-generation ultra-fast, single-chip controller

5th June 2024
Paige West

Silicon Motion Technology Corporation has launched the SM2322. This is a fast, single-chip solution for external portable SSDs, offering high performance, low power consumption, and cost-effectiveness.

It supports up to 8TB of storage and achieves data transfer rates of 20Gbps, allowing seamless storage and access of large amounts of content from AI smartphones, high-performance multimedia devices, and game consoles.

With the increase of AI-capable devices, high-density and high-performance storage solutions have become more critical to consumers. Portable SSDs powered by the new SM2322 controller is a solution that offers low-cost, high-density, and high-performance, making it the ideal solution for these applications. Equipped with a USB 3.2 Gen 2x2 interface with 20Gbps bandwidth and a fully integrated hardware and software solution, the SM2322 delivers peak sequential read and write transfer speeds of 2,100MB/s and 2,000MB/s, respectively, with up to 8TB capacity. These high-performance portable SSDs enable an ultra-compact and lightweight form factor. The SM2322 supports the ProRes format and MFi specification for iPhone users while also being compatible with Windows, Android OS, and macOS, making it an ideal high-density, high-performance portable storage solution for AI smartphones, HD content creators, and gaming enthusiasts who require high-density, high-performance portable storage.

By eliminating the USB bridge chip required in traditional designs, the single-chip solution reduces both the Bill of Materials (BOM) costs and power consumption. The new SM2322 upgrades external portable SSDs with higher performance and larger capacity using Silicon Motion's proprietary NANDXtend 4KB LDPC error-correction technologies to improve the endurance and data retention of 3D TLC/QLC NAND. It provides comprehensive data integrity through SRAM ECC and end-to-end data path protection. Additionally, the SM2322 delivers the highest level of data security by providing AES 256-bit encryption, fingerprint security, and full compliance with the Trusted Computing Group (TCG) Opal specification to meet high-security standards.

Nelson Duann, Senior VP of Client & Automotive Storage Business at Silicon Motion, stated: "The proliferation of AI smartphones and handheld gaming devices has exponentially increased the demand for managing large digital video and photographic content. AI inference will generate extensive data, making high-capacity storage even more important. The new SM2322 now sets the bar even higher, introducing enhancements to support the higher speed USB3.2 specifications and providing greater capacity, catering to the needs of the AI era for large-scale digital media content storage and access."

Numerous portable SSDs powered by Silicon Motion’s SM2320 are already commercially available today from ADATA, Crucial, HP, Kingston, Lexar, Transcend, Xiaomi, Seagate LaCie, and others. The SM2322, the newest generation of Silicon Motion's portable SSD controller family, raises the bar with performance and reliability, utilising advanced features and proven technology.

The SM2322 is currently sampling to multiple customers and will enter mass production in mid-2024.

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