A Host Bus Adapter controls and translates information between your device and other networked devices like storage drives.?The?HP 584777-001?connects to your?HP ProLiant Configuration?and provides a transfer rate of?8 Gb/s?over?2 PCI-e x8?connections. This?HP 584777-001 Host Bus 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 HP 584777-001 HBAs 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!