Air flows along two paths through the server. In the first path, air is pulled through the grill at the base of the front of the server, then up through the card cage at the front of the server, and finally through the fan trays and out the exhaust at the top of the rear of the server. In the second path, air is pulled through the grill at the base of the front of the server, then up through the card cage at the rear of the server, and finally through the fan trays and out the exhaust at the top of the rear of the server.