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Sandisk verifies solid state drive design

Courtesy of Sandisk Corp.

Before releasing a new solid state drive (SSD) to production, SanDisk uses CFD analysis to verify that its design will meet the thermal requirements.

The SSD is a dense sandwich structure made of plastic materials and enclosed by two stainless steel covers. Inside the sandwich resides the memory and CPU PCBs separated by a thermal pad. A second thermal pad separates the memory PCB and the cover.

To perform the analysis, SanDisk relied on Coolit, CFD software designed for electronics cooling application. In this project, Sandisk was assisted by CAS Ltd a leading thermal design consultancy. The design had to be tested at high altitude conditions with an ambient temperature of up to 70C.

Coolit analysis quickly determined the temperature distribution, as well as case and junction temperatures of components to verify that the module did not exceed its maximum allowable design limits permitting reliable operation between 0-70C ambient. The model also found no hot spots in the system. The design was approved for production and the new SSD drive, designed as a drop-in replacement for the hard disk drives delivered superior durability, performance and power efficiency - keeping mobile PCs working optimally in the toughest of conditions.

Staying cool even when ambient is 70C is the foundation of Sandisk's SSD superior performance and reliability

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