SSI-EEB Compatible: Dual CPU motherboards are supported for high-end, server-grade workstations. Dual Hot-Swap Bays: Two 2.5’ SSDs, 3.5’ HDDs, or a combination of both are conveniently accessible from the front panel for interchangeable, on-the-fly data retrieval. Media Connectivity: A high speed, USB 3.0 SD Card Reader is integrated on the I/O panel for immediate access to file. Dual 140mm Intake Fans: Two pre-installed 140mm fans provide high volumes of fresh air to the system, while one pre-installed 120mm fan exhausts hot air. Fine Mesh: The Fine Mesh design on the front panel is proven to provide proficient airflow while filtering out dust for enhanced performance and hardware longevity.