#Markdown

```sh
Memory overhead per virtual machine ≈ (1.002 × requested memory) \
              + 218 MiB \  # [!code callout]
              + 8 MiB × (number of vCPUs) \  # [!code callout]
              + 16 MiB × (number of graphics devices) \  # [!code callout]
              + (additional memory overhead) # [!code callout]
```

:::callouts

1. Required for the processes that run in the `virt-launcher` pod.
2. Number of virtual CPUs requested by the virtual machine.
3. Number of virtual graphics cards requested by the virtual machine.
4. Additional memory overhead:
   - If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device.
   - If Secure Encrypted Virtualization (SEV) is enabled, add 256 MiB.
   - If Trusted Platform Module (TPM) is enabled, add 53 MiB.

:::

```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
```