IT is defined so traditionally the way to. . increasingly integrated components that extent would the PCs, too - especially as the power increases faster than demand for it - are getting smaller for some special equipment, this is certainly true (just think of the first laptops in comparison to a current Netbook, or even smartphone. !), but the "normal" PC not a piece is smaller. Smaller motherboard formats it entirely, but they remain in practice without much Effect on the box dimensions. Of the 1,500 cases that knows the miser database so has only 1 / 3 volume of less than 30L. Greater the original PC was not. With less than 20L land then just 86 entries (1 / 17 of the offer). In contrast, nettops move between 1 and 5L.
While that is a motherboard show today sometimes only a fraction of the previous square (30 * 24cm with ATX on 17 * 17cm for ITX) and expansion cards are only used in exceptional cases, all other components of an inch now smaller than in the invention of the PC in the mid 1980s.
Starting with the inevitable part, the power supply. There are the ubiquitous ATX standard, with the power supply is only about as big as a continuous form of special components nettop. While there are some minor standards (SFX and TFX), but really bring what they do not, but they limit the range of possible power supplies same time greatly upon which a technology with the simplest ATX models. Looking at the size of external power supplies for notebook computers or net-tops on (which there are quite up to 120W), it is clear that there would be a lot less - because here but there is no standard, manufacturers of small enclosures rely on self-development with mostly unknown quality or equal to external solutions including a converter board in the case. The latter solution gives it a "Pico-PSU for hobbyists, but at this crazy price.
For hard drives and optical drives can save with the handle in the notebook department a lot of space. The optical drive remains as down-limiting factor of the width of device (a CD / DVD / BluRay is what it is 12cm in size) were obtained, no matter how close it is otherwise built. Again, the compact drives also have various disadvantages of slower than more expensive to less readily available.
expansion cards you need today, as I said, only for special tasks such as TV-in, or if the number of connections is not sufficient. Once a Video card is to be used, it's over with "compact" anyway. 2 slots occupy the same time that is a matter of course, only a tiny minority there is content with one. Now Is the case designed for only one slot (as in the ITX standard practice), is a graphics card so that de facto excluded. Meanwhile, the small housing are then thought of sometimes for Mini-DTX, which means a longer slot. Boards who have actually 2 slots are probably the same reason then not to be found in the trade.
here is also quite clear it will look like the majority of PCs in 10 years: The technology comes from what are today's laptops (already there are the numbers bigger!) and by analogy, the hardware expandability limited to external devices, RAM, and a new hard drive. Only the freaks will continue working on cards and removable power supplies, whose numbers have but not really important anymore.
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