Can you use ddr2 ram for Intel core 2 quad processor?

Yes, you can use DDR2 RAM with an Intel Core 2 Quad processor, provided that the motherboard supports DDR2 memory. Most Intel Core 2 Quad processors are compatible with motherboards that have DDR2 slots, so ensure that your motherboard specifications align with the RAM type. However, it's essential to check the specific motherboard documentation for compatible RAM speeds and configurations.