Purchase options
Capacity when/how you need it
On-Demand Capacity Reservations
With On-Demand Capacity Reservations, you can reserve compute capacity in a specific Availability Zone. You will have access to HAQM EC2 capacity when and for as long as you need it.
We recommend On-Demand Capacity Reservations for use cases like these:
Business-critical events
High-availability requirements
Disaster recovery
HAQM EC2 Capacity Blocks for ML
With HAQM EC2 Capacity Blocks for ML, you can reserve GPU instances in advance for your machine learning (ML) workloads.
We recommend EC2 Capacity Blocks for use cases like these:
Train and fine-tune ML models
Run experiments and build prototypes
Plan for spikes in demand for ML
Dedicated Hosts
A Dedicated Host is a physical HAQM EC2 server fully dedicated for your use. With Dedicated Hosts, you can use your existing server-bound software licenses. You can purchase them On-Demand (hourly) or as part of Savings Plans.
We recommend Dedicated Hosts for use cases like these:
Save on licensing costs
Run workloads on dedicated physical servers
Offload host maintenance to AWS and control your maintenance event schedules
Flexible usage with per-second billing
Per-second billing removes the cost of unused compute time from your bill. This particularly helps workloads that run over irregular time periods. HAQM EC2 usage is billed in one-second increments, with a minimum of 60 seconds. The same is true for provisioned storage for HAQM Elastic Block Store (HAQM EBS) volumes. Per-second billing applies to all purchase options. It's available across all Regions and Availability Zones for these instances:
HAQM Linux
Windows
Red Hat Enterprise Linux
Ubuntu
Ubuntu Pro
For details on related costs, see HAQM EC2 On-Demand Pricing.
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