Main Specifications Device Type Ethernet Controller Card Dimensions (WxDxH) Card PCB: 5.9 x 2.73in (L x H) - Height of end brackets: standard: 4.725, low-profile: 3.13 in Form Factor Low-Profile Standard Short-length Form Factor Interface (Bus) Type PCI Express 3.0 (8GT/s) Networking Data Transfer Rate 40Gb/s per port Port Quantity 2 QSFP+ Ports Power Comsumtion Operational Typical power consumption: 4.9W - Maxium power consumption: 7W Miscellaneous Cables Required Supports Both Direct Attach Copper and Fiber Cables QSFP+ direct attach twinax copper cables up to 7m Fiber-optic cables (with required optional transceivers) Compliant Standards RoHS compliant 6/6 Designed For Supermicro® motherboards with minimum PCI-E x8 slot Supermicro® server systems with low-profile or full-height PCI-E x8 expansion slot