The Crucial Ballistic Sport VLP module stands just 18.75mm tall and the Crucial Ballistix Tatical LP is 25.50mm in height. A normal DDR3 memory module module with a heatspreader on it is around 32mm in height, so these are substantially lower. Super high-end performance memory like the Kingston HyperX T1 module stands 60.95mm tall, but the Corsair Dominator GTX module tops them all at 64.30mm tall!"
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips