The Kingston HyperX module on the preceding page, as well as these Corsair Vengeance SODIMMs, represent the apex in today’s enthusiast notebook memory space. Both have models topping out at PC3-15000 (1866 MHz), and both support XMP. Extreme Memory Profile is a JEDEC-approved DDR3 extension, devised by Intel, that will automatically overclock system memory according to given profiles when used in conjunction with certain CPU platforms.