What ram do I need?

[joelk2]

This CPU

https://ark.intel.com/products/88184/Intel-Core-i5-6500-Processor-6M-Cache-up-to-3_60-GHz

And this motherboard

https://www.asus.com/uk/Motherboards/SABERTOOTH-Z170-S/

 

[Jamin280672]

This CPU

https://ark.intel.com/products/88184/Intel-Core-i5-6500-Processor-6M-Cache-up-to-3_60-GHz

And this motherboard

https://www.asus.com/uk/Motherboards/SABERTOOTH-Z170-S/

You need DDR4, the choice is yours, or refer to the QVL if you want to be sure of what will work on the board: https://www.asus.com/uk/Motherboards/SABERTOOTH-Z170-S/HelpDesk_QVL/