hi is this memory http://www.futureshop.ca/en-CA/product/ballistic-ballistix-4gb-ddr3-pc3-10600-desktop-memory-bls4g3d1339ds1s00-bls4g3d1339ds1s00/10203468.aspx?path=b3999de5e820da4cfc6aea15fe0a7916en02 compatible with my computer http://www.crucial.com/systemscanner/viewscanbyid.aspx?id=B3044AC231D926C3 and if it is does that mean any 2 or 4gb ddr3 1.5v memory is compatible with my computer even if it is 1600mhz thou i only support 1333mhz?