NitroAV on Wednesday introduced two new PCI-Express host adapters, one that features FireWire 800 connectivity (US$124.95) and another that offers FireWire 800 and USB 2.0 ports ($149.95). Both can be used in 1x, 2x, 4x, 8x or 16x lane PCI-E slots, and theyire backward compatible with FireWire 400 and USB 1.1 connectivity. Mac OS X v10.2.5 or higher is required.