DDR5 8GB RAM, two new sticks give you 16 GB. DDR4 4GB RAM, one new stick only. For sale, fits desktop only. 8GB 1Rx16 PC5-4800B-UCO-1010-XT DDR5 UDIMM 4GB 1Rx16 16 PC4-2400T-UCO-11 Sale within Tabuk, no delivery or shipping outside Tabuk. I will send you the location, you come and pick it up, and payment is cash. May God bless us all.