Overview
Revolutionizing Data Transfer and Storage Efficiency for AI-Driven Applications
Silicon Motion's latest portable SSD controller is a highly integrated single-chip USB4 Gen3x2 solution, built to meet the evolving needs of AI computing, high-resolution content creation, and mobile workflows. Developed on TSMC's advanced 12nm process, it delivers exceptional performance with sequential read and write speeds of up to 4,000 MB/s and supports storage capacities up to 32TB.
This compact and efficient architecture combines a fully integrated USB Type-C interface with native USB Power Delivery 3.1 support, eliminating the need for external PD components and simplifying hardware design. Its four-channel NAND architecture supports both 3D TLC and QLC NAND at speeds up to 1,600 MT/s per channel, enabling smooth performance for demanding applications such as 8K video capture, real-time media editing, and AI inference.
Designed for creators, mobile professionals, and tech-savvy users, this solution also supports Apple ProRes recording and complies with Apple's MFi specifications, ensuring seamless compatibility with next-generation mobile devices and workflows.
Compact Size, Greater Capacity
Optimized for compactness and extensive storage capabilities, it's an ideal upgrade for creators and tech enthusiasts. This fully integrated hardware and software platform empowers innovative SSD designs to harness the full potential of high-density NAND Flash, including the latest QLC NAND, while being adaptable to future NAND I/O speed advancements. Supporting Apple ProRes and compliant with MFi Specification, it ensures compatibility and top performance for mobile filmmakers.
Compact Design, Maximized Cost Efficiency
The direct connection to the host device eliminates the need for external bridge chips, streamlines system architecture, and lowers costs. Experience cutting-edge storage solutions with Silicon Motion—smaller, smarter, and adeptly responsive to modern media needs.
Ultra-Fast Data Transfer Speeds
Products
SM2324
Ultra High-Speed, Low-Power USB4 Single-Chip Storage Solution with Integrated Power Delivery
SM2324 is an advanced single-chip storage solution for portable SSDs, purpose-built for next-generation AI workflows, high-resolution content creation, and mobile computing. It features a fully integrated NAND controller and USB Type-C interface with native USB Power Delivery (PD 3.1) support, enabling streamlined hardware design and compact SSD form factors.
Built on TSMC's 12nm process, SM2324 delivers up to 40% better power efficiency compared to 28nm solutions. It supports USB4 Gen 3x2 with 40 Gbps bandwidth and achieves up to 4,000 MB/s sequential read and write speeds. With support for up to 32TB capacity and a high-performance four-channel NAND architecture, it provides the performance and scalability required by modern portable SSDs.
SM2324 is fully compatible with all major USB standards and integrates robust security features including AES 256-bit encryption, TCG Opal 2.0 compliance, and fingerprint authentication. Silicon Motion's NANDXtend® 4KB LDPC ECC and end-to-end data path protection ensure strong reliability, endurance, and data integrity under demanding workloads.
Optimized for creators, gamers, and professionals, SM2324 delivers the ideal balance of speed, efficiency, and integration for next-generation portable SSDs.
SM2322
High-Speed, Cost-Effective USB 3.2 Gen2x2 Single-Chip SSD Controller for Portable Storage
SM2322 is a next-generation single-chip controller designed for high-speed, high-capacity portable SSDs. By interfacing directly with the host and eliminating the need for an external bridge chip, it simplifies design, reduces cost, and accelerates time to market for manufacturers building compact USB storage solutions.
Built with a USB 3.2 Gen2x2 interface supporting 20Gbps bandwidth, SM2322 delivers up to 2,100 MB/s sequential read and 2,000 MB/s sequential write speeds. Its four-channel NAND architecture supports data rates up to 1,200 MT/s per channel and up to 8TB capacity, making it ideal for AI smartphones, multimedia devices, and gaming consoles that require fast access to large files.
SM2322 also features Silicon Motion's NANDXtend® 4KB LDPC ECC technology with full end-to-end data path protection and integrated SRAM ECC. Security features include AES 256-bit encryption, TCG Opal compliance, and fingerprint authentication, meeting high data protection standards for consumer and edge AI applications.
With high performance, broad compatibility, and low power design, SM2322 is the smart choice for compact, fast, and secure USB 3.2 portable SSDs.
Features
Advanced USB SSD Controller
- Fully integrated single-chip USB SSD controllers
- Support for USB4, USB 3.2 Gen2x2, USB 3.2 Gen2, and USB 3.2 Gen1 interfaces
- Up to 4-channel NAND support with up to 1,600 MT/s per channel
- Designed for high-speed portable SSDs with low latency and high bandwidth
Broad NAND Compatibility
- Compatible with 3D TLC and QLC NAND
- Flexible flash configuration to support various capacities
- Support for ONFi and Toggle NAND interfaces
Power-Efficient Architecture
- Built on TSMC advanced process technology (28nm to 12nm)
- VCCQ 1.2V/1.8V NAND support
- Optimized for low active and idle power
Integrated USB Power Delivery (model dependent)
- Native USB Type-C interface with built-in CC logic
- Integrated USB Power Delivery (PD 3.0 or PD 3.1 in select models)
- No external PD controller required for supported models
Comprehensive Security and Data Protection
- AES 128/256-bit encryption and TCG Opal compliance
- NANDXtend® LDPC ECC and end-to-end data path protection
- Fingerprint security option available in select models
Seamless Host Compatibility
- Compatible with Windows, macOS, and Linux systems
- Apple ProRes recording supported (in USB4-based models)
- MFi Specification compliance for Apple ecosystem integration
Technologies
Multi-device Compatibility
Silicon Motion's advanced AI-powered portable SSD controllers are designed for seamless compatibility with any device featuring a USB Type-C connector, including PCs, Macs, laptops, tablets, Android devices, smartphones, cameras, and gaming consoles. Leveraging AI capabilities, these controllers optimize performance for Apple ProRes recording and adhere to MFi specifications, making them an ideal solution for film creators seeking cutting-edge storage technology.
Executive Fingerprint Secure Up
Silicon Motion's portable SSD controllers leverage advanced AI-driven technology to ensure the highest level of data security. These controllers integrate AI-enhanced Self-Encrypting Drive (SED) capabilities with robust AES 128/256-bit encryption and Fingerprint Secure authentication. Additionally, they fully comply with the Trusted Computing Group (TCG) Opal specification, utilizing AI algorithms to optimize security protocols and data protection measures.
NANDXtend® 4KB LDPC Technology
Leveraging Silicon Motion's proprietary NANDXtend® 4KB LDPC error-correction technology, the Portable SSD controllers utilize advanced AI algorithms to significantly enhance the endurance and data retention of 3D TLC/QLC NAND. These AI-driven controllers ensure comprehensive data integrity with integrated SRAM ECC and end-to-end data path protection, setting new standards for reliability and performance in storage solutions.
TSMC 12nm FinFET Process Technology
Built on TSMC's advanced 12nm process, this portable SSD controller delivers superior power efficiency while maintaining high performance. Compared to previous-generation portable SSD controllers built on 28nm technology, it reduces active power consumption by up to 40%. This makes it an ideal solution for compact, high-speed storage designs where thermal and energy efficiency are essential.
Integrated USB Power Delivery (PD 3.1) Controller
The controller features a fully integrated USB Type-C interface with native USB Power Delivery 3.1 support, eliminating the need for external PD components. This integration simplifies hardware design, reduces the bill of materials, and helps achieve a more compact system footprint. It also ensures complete compatibility with the USB4 specification, providing forward-looking interoperability for future high-performance storage and computing platforms.
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