Each computer is different, so yours will have a particular SIMM designed for it that contains the exact number of pins fitting eaxctly into a slot on your computer motherboard or the engine of the computer.
For the more tech savvy, online retailers like NCIX.com allow you to fully customize your system, from case and motherboard to hard drive and graphics card.
Key differences between the Core and the Premium are optional optical out, a detachable 20GB HDD, HDMI 1.2 output, and an upgraded motherboard.
