Dell P644G Studio XPS 1640 1645 Firewire 1394 IO Circuit Board with Ribbon. Dell meets the current and future demands of high-performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications, as well as for standard home use.  

Specifications:

Manufacturer: Dell
Part Number: P644G CN-0P644G
Compatible Models: Dell Studio XPS 1640 1645