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Silicon Motion SM2322 Single-Chip Controller for High-Density Portable SSDs Suited for Next-Gen AI Smart Devices and Gaming Consoles

Equipped with USB 3.2 Gen 2x2 interface, supports latest QLC NAND, and fully integrated hardware and software solution delivering peak sequential RW transfer speeds of 2,100MB/s and 2,000MB/s, respectively, with up to 8TB capacity.

Silicon Motion Technology Corp. launched the SM2322, an industry’s fast single-chip high-performance, low-power, and cost-effective solution for external portable SSDs, supporting up to 8TB of storage and achieves data transfer rates of 20Gb/s for storing and accessing large amounts of content from AI smartphones, high-performance multimedia devices, and game consoles.

Silicon Motion Sm2322 Controller Intro

With the increase of AI-capable devices, high density and high-performance storage solutions are becoming more critical to consumers. Portable SSDs powered by the SM2322 controller are the only solution that offers low-cost, high-density and high-performance, making it a solution for these applications. Equipped with a USB 3.2 Gen 2×2 interface with 20Gb/s bandwidth and fully integrated hardware and software solution delivering peak sequential RW transfer speeds of 2,100MB/s and 2,000MB/s, respectively, with up to 8TB capacity, SM2322 powered high-performance portable SSDs enable an 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 a high-density, high-performance portable storage solution for AI smartphones, HD content creators, and gaming enthusiasts who require high-density, high-performance portable storage.

Silicon Motion Sm2322 Controller Tabl2

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 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 data integrity through SRAM ECC and end-to-end data path protection. In addition, the SM2322 delivers high 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 the high-security standards.

The proliferation of AI smartphones and handheld gaming devices has exponentially increased the demand for managing large digital video and photographic content,” said Nelson Duann, SVP, client and automotive storage business. “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 are already powered by the company’s SM2320 are commercially available from Adata, Crucial, HP, Kingston, Lexar, Transcend, Xiaomi, Seagate LaCie, etc. The SM2322, the newest-gen of firm’s portable SSD controller family, raises the bar with performance and reliability, utilizing advanced features and proven technology, making it a choice for new portable storage solutions.

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

Silicon Motion Sm2322 Controller Tabl1Silicon Motion Sm2322 Controller Spectabl

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