A Network Interface Controller controls and translates information between your device and other networked devices or the internet at large.?The?HP 629135-B21 Network Adapter?connects to your?HP ProLiant Servers?via a single?FlexibleLOM?slot and provides a transfer rate of?1 Gbps?over?4 Ports PCI Express?connections. This?HP 629135-B21 Network 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 629135-B21 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!