在平日的生活和工作中都有可能接触到服务器，在对于如何合理的使用就显得尤为重要了，那么，大家清楚服务器的分类吗？相信很多的电脑爱好者对此还是不够了解的，那么， 下面就为大家介绍一下服务器的基本分类，供大家参考，希望对朋友们有所帮助。
服务器分类的标准有很多，比如按照应用级别来分类，可以分为工作组级、部门级和企业级服务器；按照处理器个数来分可以分为单路、双路和多路服务器；按照处理器架构
来分可以分为x86服务器、IA-64服务器和RISC构架服务器；按照服务器的结构来分可以分为式服务器、机架式服务器和刀片服务器。
不过我们一般关注较多的是按照服务器的结构来分：塔式服务器、机架式服务器和刀片服务器，塔式服务器应该是大家见得最多，也最容易理解的一种服务器结构类型，因为它的外形以及结构都跟我们平时使用的立式PC差不多，当然，由于服务器的主板扩展性较强、插槽也多出一堆，所以个头比普通主板大一些，因此塔式服务器的主机机箱也比标准的ATX机箱要大，一般都会预留足够的内部空间以便日后进行硬盘和电源的冗余扩展。
所谓刀片服务器是指在标准高度的机架式机箱内可插装多个卡式的服务器单元，实现高可用和高密度。每一块"刀片"实际上就是一块系统主板。它们可以通过"板载"硬盘启动自己的操作系统，类似于一个个独立的服务器，在这种模式下，每一块母板运行自己的系统
，服务指定的不同用户群，相互之间没有关联。
对于企业而言，选择服务器时首先要考虑服务器的体积、功耗、发热量等物理参数,如何在机房有限的空间内部署更多的服务器直接关系到企业的服务成本，通常选用机架式服务器。机架式服务器也有多种规格，例如1U（4.45cm高）、2U、4U、6U、8U等。通常1U的机架式服务器最节省空间，但性能和可扩展性较差，适合一些业务相对固定的使用领域。4U以上的产品性能较高，可扩展性好。
以上就是对于服务器的基本分类的详细介绍了，在看完介绍之后，相信大家都有一定的了解了，也希望所介绍的内容对大家有用，
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原文地址：http://blog.csdn.net/glorey/article/details/39310121
