MOTU announced the immediate availability of the PCIe-424 audio interface card on Monday. The PCI Express-based expansion card lets Power Mac G5 users take advantage of faster data transfer rates when recording and sound mixing up to 24 channels simultaneously. Combined with three more PCIe-424 cards, you can record 96 channels at the same time. The PCIe-424 is available with MOTUis 2408mk3, HD192 and 24I/O systems. PCI-324 or PCI-424 card owners can upgrade to the faster core expansion card for US$295.