The HP 593412-001 PCI-E IB 4X QDR CONNECTX-2 G2 DP is an adapter card designed for high-speed data transfer in enterprise networking systems. Manufactured by HP, this unit is compatible with HP devices and offers a PCI port for seamless integration. With a quad data rate (QDR) capability, this card provides fast and reliable performance for networking applications. Although it does not come with a manufacturer warranty, it is a dependable choice for enhancing the network connectivity and efficiency of your system. Used in excellent condition. Free shipping in the USA.