I have this ram: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231122 with an e8500 oc'd to 3.8ghz and I've been able to lower the timings to 4-4-4-12, while maintaining the 400mhz speed and only raising the voltage to 1.9. I think it's very good ram for the money.