Features Vortex Amazon S3 Rackspace
New-user Trial Credits Yes No No
Instant server deployment Yes Yes Yes
Auto scaling Yes Yes Yes
Windows Support Yes Yes No
Linux Yes Yes Yes
Web-based Control Panel Yes Yes Yes
API Yes Yes No
Hybrid Dedicated / Cloud Server Networks Yes No Yes
Persistent Storage Yes Limited Limited
Standard IP Addresses Yes No Yes
Support Team included Yes No No
100% SLA Yes No Yes
Dedicated VLAN per customer Yes No No
Account Manager Yes No No
Professional Services Yes No Yes
Volume Discounts Yes No No
True PAYG Yes Yes No
Flexible Server Sizes Yes No Yes
Burstable CPU Yes No Yes