This message was posted on behalf of Intel Corporation
In this case, for you to get better support about this upgrade I strongly recommend contacting your system manufacturer as they are more familiar with your system and how all the components interact with each other.
We cannot guarantee that this new mini PCI-e card will be supported in your system; you can ask Dell if this can be upgraded and if it is compatible. You can post your question here:
NOTE: This link is being offered for your convenience and should not be viewed as an endorsement by Intel of the content, products, or services offered there.