First Off They Not Talking About Nothing To Do With Virtual Memory. They Mean It Will Be Just Like Normal Ram But Plugged Into USB To Add More Memory Quick And Easy. Second EricM You Shouldnt Increase Your Virtual Memory Because Windows Actualy Sees It As Real RAM So If You Make It Large Then Windows Will Think It Has A Big Bit Of RAM To Work With And Use That Instead Of Your Real RAM Which Will Make Your System Run Slower! Your Virtual Memory Should Be Kept At 1.5x Your Ram So If You Got 1GB RAM Your Virtual Memory Should B 1.5GB.