Don't want to put permanent bonding epoxy on your high dollar video card? Use this cheap and easy double sided thermal tape to achieve similar cooling results without the worries. The Sekisui #5760 is also useful for mounting heatsinks on any chip that lacks mounting holes. The Sekisui #5760 double sided adhesive tape has excellent thermal transfer properties.

Sold in a 6inch strip (~150mm x 25mm) which can be easily cut to suit your application.