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The SanDisk X210 is our high-end SATA SSD designed for the client computing, data center, and server markets. Based on 19nm MLC NAND flash, it introduces a new set of features and enhancements to support businesses that prioritize fast, consistent access to data, such as search engine and cloud storage providers and streaming media companies. Built to provide leading performance in read-intensive environments, the X210 also significantly reduces I/O bottlenecks and greatly improves random I/O performance and multi-stream capabilities.
At the heart of the X210 is a high performance controller and SanDisk’s own 19nm All Bit Line (ABL) architecture. All Bit Line architecture offers twice the parallelism of conventional Half Bit Line (HBL) architectures; increasing both performance and endurance.
The drive also supports a unique feature to improve random write performance and ensure a very positive user experience. Modern operating systems mostly access the storage device using small access blocks, with the majority being 4KB access blocks. The small logical access blocks conflict with the physical block structure (>1MB) for the newer generation flash memory technology. To bridge this difference, the X210 employs three storage layers:
The nCache is used to accumulate small writes (called segments) at high speed and then flushes and consolidates them to larger MLC sections of the NAND flash memory array.
The X210 employs DEVSLP SATA low power mode, which further reduces the device’s power consumption in the IDLE state. This is important as extending the time between battery charges has become critical in mobile devices. DEVSLP enables the device, and optionally the host, to completely shut off their SATA PHY, resulting in much lower power consumption compared to Slumber SATA lower power mode.
"On the performance side, the X210 is the best OEM SSD I've tested to date."
Read the review
White Paper: Performance Consistency
White Paper: Unexpected Power Loss Protection
Datasheet: SanDisk® X210 SSD