Proprietary suite of enterprise features and endurance enhancement technologies make the most cost-effective NAND flash enterprise-ready.
Due the industry’s push to smaller lithography in the roadmap, the cost of NAND has continued to decrease. However, with each drop in the process node, endurance and reliability of the NAND flash decreases, going against the needs of enterprise environments where data reliability and integrity are critical.
Historically, the issue of endurance and reliability was addressed by adding Error Correcting Code (ECC) capability to the SSD controller. This approach is no longer sufficient as enterprise environments require higher endurance, predictable performance and reliability. To make SSDs viable in the data center, a new approach to overcoming NAND flash’s inherent endurance and reliability limitations is required so that enterprise-grade SSDs can become both more cost-effective and meet enterprise application requirements.
Guardian Technology™ Platform
The award-winning Guardian Technology Platform from SanDisk® is a proprietary suite of enterprise features and endurance enhancement technologies designed to make the most cost effective NAND flash enterprise ready. Because of SanDisk’s vertical integration and ownership of the flash, the Guardian Technology Platform and NAND have been designed to work seamlessly with each other, taking full advantage of the endurance, performance and reliability enhancements the platform provides.
SanDisk’s Guardian Technology Platform is comprised of the following technologies:
Leveraging two innovative technologies, Aggregated Flash Management and Advanced Signal Processing, and a mix of flash grades, FlashGuard technology extends the endurance of commercial grade MLC NAND flash to meet enterprise application endurance and reliability requirements.
Aggregated Flash Management
Advanced Signal Processing
Intelligent Flash Mixing
DataGuard technology features full data path protection, safeguarding user data from corruption along all data paths in the SSD, such that SanDisk SSDs are specified to a BER of 1017, offering:
EverGuard technology protects against loss of user data in the event of unexpected power interruptions using a 3rd generation backup power circuitry design and high-reliability discrete capacitors.
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