Speed in RAM

Solution
DDR4 = Double Data Rate v. 4, the basic model type. This means that (generally) the RAM you found will work in newer Z170 and H170 motherboard models. You'll have to check the specific motherboard specifications before using any new RAM modules to make sure they are supported.

2133 = The 'speed'/ frequency of the RAM. This is the general indicator of how quickly the RAM is able to perform on your system.

PC4 17000 = Module standard, another way of expressing the speed

Here's a handy tutorial to glance over if you're interested in learning the basics of identifying and upgrading RAM

Luminary

Admirable
DDR4 = Double Data Rate v. 4, the basic model type. This means that (generally) the RAM you found will work in newer Z170 and H170 motherboard models. You'll have to check the specific motherboard specifications before using any new RAM modules to make sure they are supported.

2133 = The 'speed'/ frequency of the RAM. This is the general indicator of how quickly the RAM is able to perform on your system.

PC4 17000 = Module standard, another way of expressing the speed

Here's a handy tutorial to glance over if you're interested in learning the basics of identifying and upgrading RAM
 
Solution