A Network Interface Controller controls and translates information between your device and other networked devices or the internet at large. The HP 669281??001 Ethernet Adapter (an HP 560FLR??SFP+) connects to your HP Server via a single PCI Express 2.0 x8 slot and provides a transfer rate of 10?Gb/s over each of its two (2) SPF+ Ethernet connections (up to 40 Gb/s bi??directional over the whole adapter). This HP 669281??001 Ethernet Adapter has been removed from a working unit, tested for complete functionality by our expert in-house HP-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!