Fast Single Chip Controller For External Portable SSDs

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The device is designed with high-level security features and achieves sequential read/write speed up to 2,100/2,000 MBs using ultra-low power

Silicon Motion Technology Corporation, a designer and manufacturer of NAND flash controllers for solid-state storage devices has launched the SM2320 single-chip high performance, lower power and cost-effective solution for external portable SSDs.

Designed with integrated hardware and firmware as well as high-level security features, the SM2320 meets gaming console needs of high performance under low power for laptop users. The device features a USB 3.2 Gen 2 interface, advanced SSD controller architecture and four NAND channels that deliver sequential read/write speeds up to 2,100 / 2,000 MB/s. Along with eliminating conventional USB bridge chip designs, the SM2320 solution also lowers the Bill of Material (BOM) cost and power consumption.

The SM2320 controller solution includes Silicon Motion’s NANDXtend ECC end-to-end data path protection and supports up to 4TB of capacity using the latest TLC and QLC NAND. Additionally, the SM2320 controller solution supports the highest level of data security by providing AES 256-bit encryption, full compliance with the Trusted Computing Group (TCG) Opal specification and auxiliary Fingerprint Security support.

The external portable SSD market is growing due to the performance, low power consumption, reliability and portability of such devices enabled by NAND memory. Customers include Kingston Technology, which has designed SM2320 into its new XS2000 external portable SSD, as well as other module and NAND flash providers.

“Kingston is thrilled to collaborate with SMI for the launch of our new pocket-sized XS2000 portable SSD,” said Keith Schimmenti, SSD Business Manager, Kingston. “Our Kingston engineers continue to focus on improving the performance of our products and with the new SM2320 controller, we are able to get XS2000 in the hands of our customers and meet the high performance and high capacity demands they need to keep up with the ever-evolving digital world.”

“The market for high-performance external portable SSDs is expected to grow due to the wide range of applications requiring fast external storage such as gaming consoles and laptops used for data-intensive applications like image and video storage and editing,” said Stanley Huang, Senior Director of SSD Storage Marketing at Silicon Motion. “The best external portable SSDs are not just delivering faster performance, but also offer lower power, smaller size and lower cost. By eliminating the bridge chip design, our new portable SSD controller solutions provide a simpler, more cost-effective solution for this growing product segment.”


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