Grab the same crucial SSD below:
http://amzn.to/2fSjovD
This is a tutorial about how to fix npm on on windows 10.
Make sure to install latest version of node.
Make sure the package.json name is not the same as any npm package.
Then after you should be able to use npm install package --save
Enjoy
Plus I also did a quick benchmark of my new crucial ssd.