Types
Reserved Instances
- Standard Reserved Instances
- Apply to a single instance family, platform, scope, and tenancy over a term
- One or three year term
- Can reserve capacity (locked into one availability zone) or be regional (can launch in any AZ within the region)
- Convertible Reserved Instances
- They allow you to change the instance family and other parameters associated with a Reserved Instance at any time. For example, you can convert C3 RIs to C4 RIs to take advantage of a newer instance type, or convert C4 RIs to M4 RIs if your application turns out to need more memory.
- Three year term
- Can reserve capacity (locked into one availability zone) or be regional (can launch in any AZ within the region)
Scheduled Instances
Tenancy
- If you're using dedicated instances, choose Dedicated Tenancy
- If not, choose Default Tenancy
Usage
Instance Size Flexibility
Payment Options
- All up front
- Partial up front
- No up front
- One year term
- Available with a 3 year term for C4, M4, R4, I3, P2, X1, and T2 Standard Reserved Instances only