This is the RAM i have. 1. How is this RAM in general ? Currently running it at 5-5-5-15 at 1.8V . Its rated to run at 5-4-4-12 at 2.0 to 2.2 V . 2. Also can i run it at 4-4-4-12 ? 3. Should i run it at those settings ? 4. That wouln't burn out the RAM ? 5. How faster will it be ? 6. How much more Watts will it use ?