Unlimited plan its just peromation offer. Its always requested by mid-size companies. by the term of this plan, website space should be not more than 50 Gigbyte. In case of website come over space you must upgrade to VPS or Dedicated server from plans shown in our website. However if your website reached 50 Gig thats mean consumed 200 Gig at least wich case high pressure on our servers with errors in backup systems.