Do you have a task that benefits from that much RAM? I've got 16GB in mine and I've only seen Photoshop use more than 75% of that on one occasion.
Lightroom is much less RAM-hungry - it's rare that it'll exceed 4GB in use, no matter what I'm up to.
Lightroom is much less RAM-hungry - it's rare that it'll exceed 4GB in use, no matter what I'm up to.