Thunderbolt means serious I/O for UA's DSP-based processing on the Apollo card - even on a lowly Mac mini. Image courtesy Universal Audio.

The Thunderbolt Age Dawns: UA Ships Thunderbolt on Apollo; More to Come – Where it Makes Sense

Universal Audio is first out of the gate with an audio interface add-on that uses Intel’s Thunderbolt bus, the high-performance, low-latency connectivity option on current iMacs, MacBook Pros and Airs, and Mac minis (though, conspicuously, not the ever-more-outdated Mac Pro). The solution isn’t the most elegant – you need to add in an option card with an included tool – but once installed, Thunderbolt appears right in the box (see image below). And what can you do with all that extra bandwidth? On the Apollo, you get better performance even as you push the envelope with sample rates, and more …