Comes with 660707-001 cables for second drive bay.The HP 633538-001 G8 Smart Array P420 is a high-quality SAS controller designed for servers, offering 1GB of cache memory and 6GB of SAS storage capacity. With 8 network ports and compatibility with HP servers, this unit is an essential component for enterprise networking and server management. Made by HP in China, this controller comes with a manufacturer warranty of 1 month and is designed to meet the needs of the ProLiant DL product line. Its 20+4 pin connectors and PCI compatibility make it a reliable choice for businesses looking to enhance their server performance.