A Network Interface Controller controls and translates information between your device and other networked devices or the internet at large. The HPE 669279??001 560SFP+ Ethernet Adapter (665247??001) connects to your HP Server via a single PCI Express 2.0 x8 slot (backward compatible with PCI Express x4) and provides a transfer rate of 10?Gb/s over each of its two?(2) SFP+ Ethernet connections (up to 40?Gb/s bi??directional over the whole adapter). It comes with 256?MB of integrated memory for smoother operation. This HPE 669279??001 Ethernet Adapter has been removed from a working unit, tested for complete functionality by our expert in-house Certified Technician, and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our 90 Day Warranty. *Please note, we have additional refurbished HP Server Network Adapters in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning-fast IT needs!