Commissioned card 17h 13h Veile received the next day for premium delivery. Connected to the port PCI-E (Express) recognized by Windows 64-bit 8.1. Ordered firewire 800 cable Male-Male 400 to connect my Mackie Onyx 1220i-console (12 channels) with input / output digital firewire 400. The input latency 2.9 ms, the output 2.9 ms with the ASIO Driver Mackie or 5.8 ms. Low latency never reached my sounds USB 2.0 cards. Configuration: Mother Asus X 99 Deluxe - i7-5820k CPU 6 cores - Ram 16GB DDR4 2400 - W 8.1 Professional 64-bit - Cubase Artist 8.0. Delivery and perfect packaging. Connection Stable. Very Satisfied.