All I have to say is NICE!!!!!!Upgraded a unit from the 2.33GHz to this 3.16GHz to breath a little more life into it. I've not noticed anything operating particularly faster but that has a lot to do with the Windows 8.1 install being close to a year old. Everything works okay but it's hard to know the quality until a good three to four months of usage. The games I do have installed on it run great (Skyrim, Minecraft, WoW) but they ran well even with the 2.33GHz processor due to the GFX card being such a monster compared to the rest of the aging hardware. The shipping time was excellent so that combined with the fact that it works is why I rated 4 stars. With this upgrade I'll feel better about using the computer as a NAT or LAN gaming server for some of the less CPU intensive games. The unit's specs are as follows