SM2524XT

AI-Optimized PCIe Gen5 DRAM-less SSD Controller for Edge AI

The SM2524XT is Silicon Motion's advanced PCIe Gen5 x4 NVMe 2.1 DRAM-less SSD controller, purpose-built for AI PCs and edge AI applications. Designed to accelerate AI inference and KV Cache-intensive workloads, it delivers up to 14 GB/s sequential read, 14 GB/s sequential write, and 2.5 million IOPS random performance, enabling high-throughput, low-latency data access for next-generation AI computing.

Built on TSMC's advanced 6nm process, the SM2524XT features a quad-core Arm Cortex-R8 processor and a 4-channel NAND architecture supporting data rates up to 4,800 MT/s. With total SSD power consumption below 5W and up to 25% higher performance per watt compared to the previous generation, it delivers outstanding performance and power efficiency for compact, thermally constrained devices.

The SM2524XT integrates Silicon Motion's Separate Command Address (SCA) technology, advanced FTL scheduling, and 8th-generation NANDXtend® ECC technology with 4KB LDPC error correction. These technologies enhance NAND access efficiency, minimize latency, and ensure reliable, sustained performance for demanding AI inference and data-intensive workloads.

SM2504XT

Best-in-Class Power Efficiency PCIe Gen5 DRAM-less SSD Controller

The SM2504XT is our latest PCIe Gen5 client SSD controller, built on TSMC's advanced 6nm process and engineered for exceptional power efficiency. During active operation, total SSD power consumption remains below 5W. It offers up to 30% lower power usage compared to previous Gen5 controllers and delivers approximately 24% better power efficiency than current mainstream PCIe Gen5 SSDs. This makes it an ideal solution for AI-capable notebooks, gaming systems, and other performance-focused devices.

Optimized for high-density 3D TLC and QLC NAND, the SM2504XT features a 4-channel architecture supporting data rates up to 3600 MT/s and a PCIe Gen5 x4 NVMe 2.0 interface. It achieves up to 11.5 GB/s sequential read, 11.0 GB/s sequential write, and up to 2.0 million IOPS in random performance.

Designed for DRAM-less SSDs, it supports Host Memory Buffer (HMB) and Separate Command Address (SCA) technology to improve throughput and system efficiency. Combined with Silicon Motion's NANDXtend® ECC technology and advanced 4K+ LDPC engine, the SM2504XT ensures robust data integrity, extended endurance, and consistent high performance for next-generation client SSDs.

SM2508

Superior Performance with Low Power PCIe Gen5 SSD Controller

The SM2508 is a high-performance, low-power PCIe Gen5 x4 NVMe 2.0 SSD controller designed for next-generation AI-capable PCs and high-end client devices. Built on TSMC's advanced 6nm process, it delivers outstanding efficiency and performance for systems that demand high throughput, low latency, and energy savings.

Featuring 8 NAND channels supporting up to 3600 MT/s and a quad-core ARM Cortex-R8 CPU, the SM2508 delivers up to 14.5 GB/s sequential read, 13.6 GB/s sequential write, and up to 2.5 million IOPS for both random read and write. This makes it ideal for performance-focused applications, including AI notebooks, gaming platforms, and creator systems.

Compared to previous generations, the SM2508 offers approximately 30% lower active power consumption and up to 70% greater efficiency than competing solutions. Its ultra-low power PS4 state consumes less than 2 mW, making it one of the most power-efficient Gen5 SSD controllers available.

The SM2508 also integrates Silicon Motion's proprietary NANDXtend® ECC technology with an advanced LDPC engine, end-to-end data path protection, and programmable RAID support. These features ensure robust data integrity, enhanced endurance, and reliable long-term performance.