Steinberg UR824 24 x 24 USB 2.0 audio interface with 8x D-PREs, 24-bit/192 kHz support & JetPLL Type: Audio Interface Power Requirement: Mac OS X: Firmware Ver. 2.0: Mac OS X 10.7 / 10.8 Firmware Ver. 1.0 - 1.5: Mac OS X version 10.5.8 / 10.6 / 10.7 / 10.8 Intel dual core CPU 2 GB RAM 4 GB of free HD space Display resolution of 1280x800 recommended DVD-ROM dual-layer drive USB 2.0/3.0 port Internet connection required for installation, activation, account setup and personal / product registration. To complete the Cubase AI installation, a download of approximately 500 MB is required. Windows: Firmware Ver. 2.0: Windows 7 SP1 / Windows 8 Firmware Ver. 1.0 - 1.5: Windows XP/Vista/Windows 7/Windows 8 Intel or AMD dual core CPU 2 GB RAM 4 GB of free HD space Display resolution of 1280x800 recommended DVD-ROM dual-layer drive USB 2.0/3.0 port Internet connection required for installation, activation, account setup and personal / product reg...