Below is the compatibility of 32 bit and 64 bit PCA with 32 bit and 64 bit pipeline on HBR and Canister.
| PCA | HBR pipeline | Canister pipeline | Compatibility status | Notes |
| 32 bit | 32 bit | 32 bit | Supported | Only RHEL 6 has 32 bit PCA RPM from PCA 10.3 release |
| 32 bit | Not present | 32 bit | Supported | PCA sending hits directly to Canisters |
| 32 bit | 32 bit | 64 bit | Supported | |
| 32 bit | Not present | 64 bit | Supported | PCA sending hits directly to Canisters |
| 32 bit | 64 bit | 32 bit | Supported | Configure inbound/outbound data conversion on HBR pipeline |
| 32 bit | 64 bit | 64 bit | Not yet supported | After upcoming patch for transport service, this will be supported |
| 64 bit | 32 bit | 32 bit | Not supported | |
| 64 bit | Not present | 32 bit | Not supported | |
| 64 bit | 32 bit | 32 bit | Not supported | |
| 64 bit | Not supported | 64 bit | Supported | PCA sending hits directly to Canisters |
| 64 bit | 64 bit | 32 bit | Supported | Configure inbound/outbound data conversion on HBR pipeline |
| 64 bit | 64 bit | 64 bit | Not yet supported | After upcoming patch for transport service, this will be supported |