SM2324 - 40Gb/s USB4 Single-Chip SSD Controller
MPN: SM2324 ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
SM2324 Overview
A single-chip SSD controller is an integrated semiconductor that coordinates a host interface, NAND flash storage, data transfer, power delivery, and storage-management functions. In the storage hierarchy, the SM2324 belongs to the flash-memory controller class, then SSD controller, then storage semiconductor, and ultimately the broader semiconductor and data-storage ecosystem. Its integration can reduce board-level coordination compared with a design that separates storage control and power-delivery functions.
The verified manufacturer material identifies USB4 support, up to 4 GB/s data-transfer performance, support for capacities up to 32 TB, integrated NAND and power-delivery management, AES 256-bit encryption, end-to-end data-path protection, and integrated SRAM ECC. These features target portable SSDs and professional or security-sensitive applications that require both high throughput and data-integrity controls.
The SM2324 is intended for compact external storage products handling large files, high-resolution media, AI-generated content, and other data-intensive workflows. Its 40 Gb/s USB4 interface can provide a substantial bandwidth improvement over earlier USB storage interfaces, while the integrated architecture is intended to support efficient development and a shorter path to market.
Designers should confirm package details, electrical limits, firmware support, NAND compatibility, thermal performance, and power-delivery requirements against the manufacturer datasheet before layout. The controller is not a generic USB peripheral; its storage protocol, NAND interface, firmware, and validation requirements must be treated as one system.
This page consolidates the verified manufacturer claims and separates confirmed facts from parameters that were not supplied. Pricing, stock, lifecycle, detailed pinout, and approved drop-in substitutions are not established by the provided web data and are marked accordingly.
Drop-in alternatives for SM2324 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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SM2324
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View Datasheet →SM2324 Maximum Ratings & Electrical Characteristics
| Product Type | Single-chip portable SSD controller |
| Host Interface | USB4 |
| Maximum Interface Data Rate | 40 Gb/s |
| Reported Maximum Transfer Speed | Up to 4 GB/s |
| Supported Storage Capacity | Up to 32 TB |
| NAND Management | Integrated NAND management |
| Power Delivery | Integrated power delivery |
| Encryption | AES 256-bit |
| Data-Path Protection | End-to-end data-path protection |
| Error Correction | Integrated SRAM ECC |
| Architecture | Compact, power-efficient single-chip architecture |
| Primary Application | Portable SSDs |
| Secondary Application | High-speed external storage |
| Use Case | AI workloads and high-resolution multimedia creation |
SM2324 ai workloads and high-resolution multimedia creation Pin Configuration Guide
Pin configuration for SM2324 (ai workloads and high-resolution multimedia creation package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for SM2324.
Refer to the datasheet for full pin configuration.
Typical Applications
SM2324 is suitable for 6 applications: High-Speed Portable SSDs, AI Data-Transfer Storage, High-Resolution Multimedia Storage, Secure External Storage, Professional External Backup, Edge-Device Local Storage.
High-Speed Portable SSDs
The Silicon Motion SM2324 fits portable SSD designs that need a USB4 storage path and high throughput for large files. Its verified maximum interface rate is 40 Gb/s, with reported transfer speeds of up to 4 GB/s, while the single-chip architecture integrates NAND management and power delivery to reduce board-level design complexity. In practice, the SSD enclosure, host controller, cable, NAND package, firmware, and thermal design must work together to achieve the advertised performance. Engineers should validate sustained-write behavior, idle power, startup time, and thermal stability with the exact NAND configuration rather than relying on peak transfer-rate figures alone.
Recommended
AI Data-Transfer Storage
The SM2324 is positioned for AI workloads and edge-device workflows that produce or consume large, data-intensive files. Its USB4 interface, reported up-to-4-GB/s transfer speed, and capacity support of up to 32 TB make it relevant to local caches, portable media, and external storage used in content pipelines. The controller should be selected when the system needs a single-chip SSD solution with integrated NAND management and power delivery. Actual AI-workflow benefit depends on file sizes, workload access patterns, NAND sustained-write limits, and host-side software, so benchmark testing with representative datasets is essential.
Recommended
High-Resolution Multimedia Storage
The SM2324 can serve as the storage controller in portable SSDs used for high-resolution video, image archives, and multimedia creation. The verified 40 Gb/s USB4 interface and up-to-4-GB/s reported speed support large sequential transfers, while the integrated power-delivery function can simplify portable product integration compared with a separated storage architecture. Designers should still account for sustained-write limits, thermal behavior, and the selected NAND's endurance. For editing workflows, the enclosure and host system should be tested with the same file sizes and access patterns expected in production.
Recommended
Secure External Storage
The SM2324's AES 256-bit encryption, end-to-end data-path protection, and integrated SRAM ECC make it relevant to portable storage products where data integrity and confidentiality are important. These features are intended to protect data across the NAND-to-host path and can reduce the amount of application-level protection needed for suitable deployments. They do not replace secure key management, authenticated boot, device identity, or application-layer access controls. A security-sensitive design should verify the controller's firmware implementation, key provisioning, update process, and compliance requirements with Silicon Motion.
Recommended
Professional External Backup
The SM2324 is suitable for compact external-storage products used to move large project files between workstations, field devices, and production systems. USB4 bandwidth can improve transfer time for large media and backup datasets, while the controller's integrated NAND and power-delivery management supports a compact portable design. Performance is not determined by interface rate alone: sustained write speed, NAND endurance, thermal throttling, filesystem behavior, and host cable support determine real-world results. Validate backup integrity, power-loss recovery, unplug behavior, and temperature performance using representative workloads before deployment.
Recommended
Edge-Device Local Storage
The SM2324 can serve portable or compact local-storage requirements around edge devices handling data generated by sensors, cameras, and connected equipment. Its single-chip design and integration of NAND management with power delivery can help reduce the number of coordinated subsystems in a storage product. The verified capacity support of up to 32 TB provides room for local buffering of data-intensive workloads. Engineers should verify the controller's electrical package, power sequencing, NAND compatibility, and firmware requirements before selecting it for an edge platform, because those implementation details were not included in the supplied data.
Recommended
Engineering reference data for SM2324 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SM2324 |
|---|---|---|
| Product Type | Single-chip portable SSD controller | Single-chip portable SSD controller |
| Brand | Silicon Motion | Silicon Motion |
| Host Interface | USB4 | USB4 |
| Maximum Interface Data Rate | 40 Gb/s | 40 Gb/s |
| Reported Transfer Speed | Up to 4 GB/s | Up to 4 GB/s |
| Supported Storage Capacity | Up to 32 TB | Up to 32 TB |
| Encryption and Data Protection | AES 256-bit, end-to-end protection, SRAM ECC | AES 256-bit, end-to-end protection, SRAM ECC |
| Power and NAND Integration | Integrated NAND management and power delivery | Integrated NAND management and power delivery |
Key Differentiators
- USB4-oriented portable SSD positioning (vs No verified alternative MPN)
- Integrated NAND and power-delivery management (vs No verified alternative MPN)
- Security and data-integrity features (vs No verified alternative MPN)
Design Notes
Power sequencing and delivery must be designed around the manufacturer's complete electrical specifications, which were not included in the supplied data. Because the SM2324 integrates power-delivery management, do not infer connector, charger, or USB-C power limits from the controller brief alone. Confirm the supported input range, negotiated power profiles, rail ramp behavior, and protection requirements before routing the power system.
Use the official package drawing, pin assignment, and USB4 layout guidance before placing the SM2324 or routing high-speed signals. The verified data confirms USB4 capability but does not provide pinout, package dimensions, differential-pair geometry, impedance requirements, or via guidance. Treat all such values as unavailable until confirmed rather than copying a generic USB or SSD-controller footprint.
Validate sustained sequential and random transfers with the intended NAND and enclosure because peak interface rate does not establish real SSD throughput. Estimated thermal design should begin with the actual NAND, controller, and enclosure power measurements; no valid power-dissipation figure can be calculated from the supplied data. Check temperature rise during long file transfers and confirm that the enclosure does not throttle the storage prematurely.
Do not treat SM2324 as a drop-in replacement for another SSD controller unless Silicon Motion or an authorized source confirms identical package, pinout, NAND protocol, firmware requirements, and electrical limits. A USB4 controller with similar headline bandwidth may still require a different PCB, boot process, power design, or validation procedure. Obtain the official design-support package before committing to a replacement strategy.
Compliance Information
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-mineral status. Confirm current declarations with Silicon Motion.