In case you have not observed, Apple and every other first-tier PC manufacturer on the planet are pushing thin laptops, not to tell even thinner tablets. The problems with these thin computers are, by design, “sealed”. That means, fewer and fewer upgradable PC. In fact, these days you may have only opportunity you will have to upgrade most ultrabooks and MacBooks is when you give demand them online. After that you are stuck with the integration. In case with Retina MacBook Pro, “Unlike previous generations of MacBook Pros, the MacBook pro with Retina excellent display is restrained by Apple’s proprietary pentalobe screws, as wrote by iFixit, which goes with list other impediments to access. However, a teardown outfit like iFixit can crack open Retina MacBook pro, MacBook Air or ultrabook, expectations are average user can not…… and may be shouldn’t. If you take Dell XPS 13 ultrabook, only to access the solid state drive, you have to peel away solicitors like the “power-light board” and battery… that’s after eliminating 10 torx screws on the base cover. This is not your father’s Dell or HP laptop, where underside of the laptop sported can easily be removed Mini PCI, hard drive, and memory covers, to mention just a few upgradable components. And the rare ultrabook that’s designed to give access to components such as battery and SSD, is pricey variety, like HP Envy 14 spectre. And do not predict things to improve. Apple is giving a statement with the non-upgradable MacBook pro. While, many Ultrabooks and tablets-like Hybrids will only enhance in the upcoming years.