What is guaranteed RAM?
Guaranteed RAM is not a limit, but a minimum availability of RAM for your VPS. No matter how much RAM other VPS’s use, this amount is available to you at all times.
For more info on Burstable RAM visit the following link:
http://www.webhosting.uk.com/knowledgebase/what-is-burstable-ram/
Refer the following link to check the Guaranteed RAM allocation for Linux VPS and Windows VPS hosting server.
