12 GB RAM with a speed of 2666. One unit is 4 GB Ramaxel and the second is 8 GB Adata. Used for a very long time, over four years. Reason for selling: Upgrading. It is sound and I have not faced any issues with it. The price is fixed at 180, not open to offers. For any other inquiries, please contact via private message. Redbox shipping is available.