3 3/4 across including bezel and use an approx. Panel also includes the following blank cutouts. Connections : (2) 4-pin male, (1) 4-pin female. Customers please note every computer shows colors differently. Instruction / installation manual not included.A Message from Great Lakes Skipper. We stand behind our products and maintain great relationships with our customers. The physical address you provide must be deliverable by ANY service of our choice. Feel free to send us a message any time!