例如，机架型伺服器的I/O连接埠升级需要进行一项卡抽换，这样做既消耗时间、精力，也要求系统停机。

For instance, an I/O upgrade in a rack-mount server requires a card swap which takes more time and effort and also requires system down-time.

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相对于机架型伺服器来说，刀锋伺服器的模组化使得对I/O连接埠升级和容量扩充变得更容易，且更有效。

Relative to rack-mount servers, the modularity of blades makes I/O upgrades and capacity increases much simpler and more efficient.

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为了紧跟用户需求，也因为传统桌上型和机架型伺服器对空间和功率的需求，资料中心必须以惊人的速度扩大物理设备的容量。

To keep up with user demand and because of the space and power demands of traditional tower and rack-mount servers, data centers are being forced to expand their physical plant at an alarming rate.

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