Already in 2009 I had installed in my time new systen (Q9550 on P5Q Asus P45) this memory with 2 * 2 GB. Everything with default settings, dual-channel, no overclocking or other experiente. 2.5 years with no problems! And because people need something to tinker, I upgraded my system with a new graphics card and again 2 * 2 GB of this memory. Now 8GB work under the hood and reach 7.3 points in the Windows evaluation. Thus sufficient power reserves for demanding applications is available. With this positive experience, I would recommend it ...