Hello, 16 GB RAM (2 pieces of 8 GB) for DDR4 laptops. Speed: 2666 MHz Manufacturer: SK hynix, a Korean company. They are working without any issues, thank God. My limit is 200 Riyals, negotiable within reason, and for serious buyers, we won’t have any disagreements, God willing. Delivery will be hand-to-hand in the Dammam or Qatif area.