I currently have 4, 2 gb ram sticks however, I would like to upgrade it to at least 16. I was thinking of getting 2 with these and keeping 2 for 20 gb total but wasn't sure if these would work on the computer.

Link: https://www.amazon.com/Kingston-ValueRAM-PC3-12800-Motherboard-KVR16N11/dp/B0089JIDLC/

Thanks, and I appreciate any help