260 pins are SO-DIMM which are meant for laptop and small form factor machines. You should be looking at 288 pin. To add, since you're going to build with Ryzen, get DDR4-3200MHz dual channel kit ram. It'll benefit your platform greatly.
260 pins are SO-DIMM which are meant for laptop and small form factor machines. You should be looking at 288 pin. To add, since you're going to build with Ryzen, get DDR4-3200MHz dual channel kit ram. It'll benefit your platform greatly.