As always How-To Geek really comes up with some excellent practical advice on what to really consider when choosing RAM modules.
There is nothing wrong with heatsinks, but don't let that be your deciding factor unless you're going to seriously overclock your machine.
See
How to Choose the Best RAM for Your PC#
technology #
RAM 
RAM modules are one of the most important parts of your PC. Good RAM can give you plenty of benefits, including sizable performance gains and the power to multitask. Here’s how to properly choose RAM, and how to avoid overspending.
