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IBM Cloud offers a range of compute options, from virtual servers and bare metal to containers and serverless. This lesson focuses on Virtual Servers for VPC — IBM Cloud's primary compute service.
Virtual Servers for VPC are virtual machines that run within your VPC. They are the equivalent of AWS EC2 or Azure Virtual Machines.
IBM Cloud organises virtual servers into profiles based on the ratio of vCPU to memory:
| Profile Family | vCPU:Memory Ratio | Use Case |
|---|---|---|
| Balanced (bx2) | 1:4 | Web servers, app servers |
| Compute (cx2) | 1:2 | Batch processing, CI/CD, gaming |
| Memory (mx2) | 1:8 | In-memory databases, caching |
| Ultra High Memory (ux2) | 1:28 | SAP HANA, large in-memory workloads |
| GPU (gx2) | GPU-attached | AI/ML training, rendering |
Profiles follow a pattern like bx2-4x16:
bx2 — family b (balanced), generation x24x16 — 4 vCPUs, 16 GB memoryAn image is a template containing the OS and optional pre-installed software:
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