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大家好，这里是潮科技。首先来说明一下，这是一个装机指南系列，目的是为了服务于想要装机的同学，分享电脑方面硬件知识，挑选出真正适合自己的电脑硬件，内容会偏向小白向，通过通俗易懂的方式让大家方便理解。让我们进入主题 如今随着CPU性能和显卡性能的提升，电脑对于主板的要求越来越高，导致了主板差异化很大，各种不同型号不同大小的主板相序出世，这就导致很多电脑小白在装机过程中，没法正确的挑选真正适合自己的主板，导致很多资源上的浪费。我们潮科技今天这期就让你了解装机过程中主板的选择于辨识。以购买到真正适合自己的电脑配件。 
主板；又称主机板、系统板、逻辑板、母板、底板等，是构成复杂电子系统例如电子计算机的中心或者主电路板。 典型的主板能提供一系列接合点，供处理器、显卡、硬盘驱动器、存储器、对外设备等设备接合。它们通常直接插入有关插槽，或用线路连接。主板上最重要的构成组件是芯片组。各种电脑配件的承载物，一般情况下，主板对于电脑整体的性能，没太大的影响， 以最简单的方法来分类的话，就是尺寸，就是主板的大小，从大到小主要分为ATX MATX ITX ，具体如图所示： 
它们有什么区别吗？内存插槽数量不同，大的主板一般情况下，内存插槽会比小主板的要多，后期扩展起来比较方便，我们在装机时，要用主板适配其他硬件，而不是先选主板在选配件，CPU价格变化比较大，所以一般情况下，根据自己的预算先选择，CPU和显卡。之后再根据这些硬件选择主板。 
在购买主板时，首先要注意的硬件配置是？ 我们在选配主板，应以需求为主导，选择适合自己的主板，首先看内存插槽数量，数量越多，后期扩展性越强，其次看电源的供电相数，一相供电由一个电感，一个电容和一对MOS管组成，用于滤波、稳流。随着CPU性能的增强，对供电的要求越来越高，主板的供电相数也越做越多。一般要在硬件电源需求的基础上加100w。PCI-E接口，，显卡、无线网卡、采集器等硬件都需要它，不同主板的PCI-E接口数量和种类可能不同，应按需选购。对于普通消费来说并不是很重要，，能装个独显打游戏、插个网卡就可以。但对于高端用户来说，多卡SLI或CF、视频采集卡、无线网卡等一起上的时候，PCI-E插槽还是十分重要的。 ttp://www.sina.com.cn/mid/search.shtml?q=%E5%B0%8F%E5%8B%90%E6%8B%89%E9%93%B6%E6%B2%B3%E5%9B%BD%E9%99%85%E8%B5%8C%E5%9C%BAP132ll832221 http://www.sina.com.cn/mid/search.shtml?q=%E5%B0%8F%E5%8B%90%E6%8B%89%E9%93%B6%E6%B2%B3%E5%9B%BD%E9%99%85%E8%B5%8C%E5%9C%BAQ132ll832221 http://www.sina.com.cn/mid/search.shtml?q=%E5%B0%8F%E5%8B%90%E6%8B%89%E9%93%B6%E6%B2%B3%E5%9B%BD%E9%99%85%E8%B5%8C%E5%9C%BAR132ll832221 http://www.sina.com.cn/mid/search.shtml?q=%E5%B0%8F%E5%8B%90%E6%8B%89%E9%93%B6%E6%B2%B3%E5%9B%BD%E9%99%85%E8%B5%8C%E5%9C%BAS132ll832221 http://www.sina.com.cn/mid/search.shtml?q=%E5%B0%8F%E5%8B%90%E6%8B%89%E9%93%B6%E6%B2%B3%E5%9B%BD%E9%99%85%E8%B5%8C%E5%9C%BAT132ll832221 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