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Can someone tell me, Whats burtable Ram? And Ram and other feartures that VPSs Have that resellers dont?

Burstable RAM is basically RAM that is shared between yourself and other VPS’s on the same node.

For example, you can have 512MB guaranteed RAM and 1024MB burstable RAM. This means that no matter what, that 512MB RAM is yours, no one else can touch that. Now, if you started to run an application that required more than 512MB RAM, you could start to use that 1024MB burstable RAM, but other users who have VPS’s on the same physical machine as you can also use that RAM, so you won’t be able to use all of it (depending on whether or not there are others using it). Burstable RAM is commonly used on OpenVZ virtualization platforms.

The alternative is Swap space, which is often used on the Xen platform. Swap space, like guaranteed RAM, belongs to you, no one else can use it. However, it isn’t actually RAM, its part of your hard disk that has been partitioned off to act like RAM, but since it comes from your HD, its much slower.