Avid Pro Tools HDX 16x16 System, PCIe card with additional DSPpower, (up to factor 5 more than HD Accelcard), up to 256 tracks with one card, 64 i/os with AVID interfaces, extendable with additional HDX cards, more delay-compensation (16383 samples), new AAX-plugin workarround, RTAS and AudioSuite, incl. Protools HD software and AVID HD I/O 16x16 Analog Interface (Artnr.253716)