Panasonic' vision of the digital future is driven by the needs and aspirations of its business customers and millions of consumers around the world who use its products every day. The company shares their dream to live a fuller life by providing ways of working smarter and enjoying the rewards of technological advances. This memory is designed for Toughbook CF-73, Toughbook CF-51 with 760 CPU. For a complete compatibility list please refer to the original manufacturer's web site.