It isn't part of the Android software, necessarily, but Android's open nature allows for quite a few hardware advantages too-namely the ability to take out, swap, and upgrade your battery and SD card.

这肯定不是安卓的软件部分，但是安卓的开放性也为一些硬件提供了便利，比如可以取下，更换，以及升级你的电池和SD卡。

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Think back to the earlier graphics card example: it is possible for you to replace (or upgrade) your graphics card without having to worry about breaking your entire system.

回想一下前面的显卡例子：您可以替换(或升级)显卡，而不需要担心这会对整个系统产生影响。

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Also, get a free upgrade to color casing and a 512mb independent graphics card, as well as other service upgrades.

更可免费升级彩壳和512 MB独显，服务升级等惊喜。

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Craig Pinckney, 34, a shipping manager at a Connecticut environmental laboratory, seriously considered trading in his Alienware Area 51 tower (complete with a cyborg-green paint job) for the new Doom 3 machine, but decided he could just upgrade his processor and video card instead.

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To use the microP2 card adaptor, a firmware upgrade of current P2 hardware is required and a fee will be charged.

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However, this also means that you cannot upgrade the graphics system in the future by installing a new graphics card.

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