Forced airflow is required when the card is powered at all times. The Alveo U50/U50 LV cards support front-to-back airflow. The following figures illustrate this supported airflow.
Figure 1. Airflow Direction for U50/U50 LV Passively Cooled
Cards
Note: Other
environmental conditions are possible, including bidirectional flow. However, this
is specific to server configurations, and testing is performed by individual OEMs.
Contact your server provider for more information and options.