Ordered one of these once. Very small amount; 2 - 3 processors if you are very careful how you use it. Container looks like it would hold a lot more than it actually does. It will work for it's intended purpose, but if you build or upgrade your systems on a regular basis, you may want to either get a larger size or a couple of these.

The price of silver has near doubled in the past 5 years, IMO Arctic Silver Alumina or Ceramique is a far better value, especially if your heatsink is the bare bottomed, exposed heatpipe type that needs a lot more compound to fill the gaps.

14 gram tube isn't as dense as AS5 so it's 9X the volume for $8 delivered. You might have 3C higher temps.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835100015