4GB Total memory using 2pc of 2GB 1333MHz Module 240pin dimm DDR3 10600. Lifetime warranty for exchange. BRAND Computer Memory Solutions We don't use Generic modules to avoid incompatibility issues. Guaranteed to work or you get all of your money back including shipping. MAX MEMORY 16GB SOCKETS 4 Features Compatible with Intel DP67BG, DP67DE, DQ57TM, DQ57TML Mainboard