Quote Originally Posted by easyrecycle View Post
Make sure you take out the copper heat sinks. They may look like aluminum but they are copper plated with nickel. If you are unsure scratch test the bottom of the heat sink and see if you see copper.

The copper heat sinks that are plated with nickel will be very heavy..a good clue for you to check it.
Where are these found? Computers? Servers? elsewhere?