Peace, mercy, and blessings of God be upon you. I have 20 GB RAMs. The black RAMs are 2 each 8 GB, so 16 GB. The blue one is 4 GB. RAM type is DDR3. Excellent condition, and you have the right to test it, and if it doesn't work, you can get a full refund. The price for all is 200 SAR. Only serious buyers should contact. RAM Size: 16 GB