Final Cut Studio: For best performance on Mac Pro, install memory in risers symmetrically
Symptoms
Final Cut Studio's performance benefits from symmetrical RAM configurations on Mac Pro.
The Mac Pro comes with two memory riser cards, each with four DIMM slots. With a total of eight slots, you can add up to 16 GB of memory.
To achieve optimal performance when running Final Cut Studio applications, memory DIMM pairs should be installed evenly on both risers.
Products Affected
Mac Pro, Final Cut Studio
Resolution
This table shows Mac Pro RAM configurations that will achieve ideal performance when running Final Cut Studio applications:
| Riser A contains: | Riser B contains: |
| 2 x 512MB | 2 x 512MB |
| 2 x 1GB | 2 x 1GB |
| 2 x 2GB | 2 x 2GB |
| 4 x 512MB | 4 x 512MB |
| 4 x 1GB | 4 x 1GB |
| 4 x 2GB | 4 x 2GB |
Note: DIMMs must be installed in pairs of equal size from the same vendor. For instance, you must not have one or three DIMMs on either riser at any time. Additionally, two DIMMs from different vendors should not be combined and used as a pair.
Other configurations of DIMM pairs are still compatible with Final Cut Studio, but may not achieve the same performance levels as when DIMM pairs are installed on both risers evenly.