Overview
Silicon Motion offers the broadest range of performance, cost and form factor client SSD turnkey solutions for consumer and industrial/embedded applications.
Our client SSD controllers are featured in SATA 3 to PCIe/NVMe SSDs employing the latest 3D NAND from all the main NAND Flash manufacturers and are supplied with a complete suite of SSD controller firmware, enabling customers to bring their new SSD products to market rapidly.
The latest controller family has been designed from the ground up with PCIe Gen4 technology and innovative hardware features optimized for true Gen4 performance at low power consumption, advanced error correction as well as data path and EMI protections.
Silicon Motion's Gen4 SSD controller offers industry-leading performance while meeting OEM requirements for data security, and power management. Our Gen4 SSD controller has been designed for stringent OEM specifications. It delivers top performance while enabling lower power consumption. Its innovative hardware features HMB (Host Memory Buffer) technology without compromising performance.
For data security, the Gen4 controller comes integrity with AES128/256 Encryption and is TCG OPAL 2.0 Compliant and Secure Boot with eFuse for FW authentication.
With our comprehensive knowledge of NAND characteristics, flexible ASIC/firmware design capabilities, and our proprietary NANDXtend® ECC technology with a performance-optimized LDPC engine with RAID to maximize error correction capability for the latest and next-generation 3D NAND.
Silicon Motion pioneered PC OEM to the new era
- PCIe Gen4 x4
- NVMe 2.0
- Dual-core ARM R8 CPU
- 4 NAND channels @3,200 MT/s
- Host Memory Buffer (HMB) Support
- PS3 <15mW
- PS4 (L1.2) <1.6mW
- TSMC 12nm process Technology
- Pure DRAM-less ASIC design with 7x11mm package
- Secure Boot with eFuse for FW authentication
- Built-in AES 128/256 Encryption
- TCG Opal 2.0 compliant
- HMB data path protection
- SRAM ECC & CRC32
- 8th NANDXtend® 4KB LDPC Engine
PC OEM SSD Verification Process
SM2268XT - First Controller to Support Future 3,200 MT/S NAND IO Speed
SM2268XT PCIe Gen4 DRAM-less SSD Controller Optimizes Performance and Power Consumption for Notebook PCs
Up to 7 GB/s Seq. Read
Up to 6 GB/s Seq. Write
Compliance with Intel Athena Project
Features
- High performance flash memory controller with 4-CH/8-CH flash interface
- Supports PCIe Gen4 x4 NVMe 2.0, Gen3 x4 NVMe 1.3 and SATA 6Gb/s
- Ultra-low power consumption
- End-to-End data path protection
- Proprietary NANDXtend® error-correcting and data protection technology
- DRAM ECC and SRAM ECC
- The latest security protocols, including AES 256, Trusted Computing Group (TCG), and Opal full-drive encryption compliant
- Global wear-leveling to extend the product life cycle
- Flexible flash memory configuration
- Enhanced ESD design
- Internal voltage detection circuitry
- Available in commercial and industrial grade
Technologies
8th Generation NANDXtend® ECC Technology supporting current and future 3D TLC and QLC NAND
More Reliable, Efficient and Power-saving ECC technology with Innovative 4K+LDPC engine for the latest and next-generation 3D TLC and QLC NAND
NANDXtend® is an advanced firmware technology exclusively developed by Silicon Motion to meet the design requirements of SSDs with 3D NAND. Combined with LDPC (low-density parity-check), RAID Data Recovery correction technologies, the NANDXtend® three-level error correction algorithm can decode in parallel and correct errors with precision and at high speed. Together, these technologies extend the P/E cycle performance of 3D NAND, prolonging the SSD's lifespan and ensuring data integrity.
The new generation NANDXtend® includes a performance-optimized 4KB LDPC engine with an advanced firmware algorithm that delivers higher power efficiency, decoding efficiency, and correction capability to maintain consistent data throughout and provide a better user experience, even as error bits increase throughout the product lifecycle of NAND flash.
End to End Data Path Protection
Silicon Motion's SSD controller solutions incorporate full data error detection with recovery engines to provide enhanced data integrity throughout the entire Host-to-NAND-to-Host data path. The data recovery algorithm can effectively detect any error in the SSD data path, including hardware (i.e. ASIC) errors, firmware errors, and memory errors arising in SRAM, DRAM, or NAND.
Downloads
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