I WANT TO KNOW THE EXACT LENGTH OF THE Sapphire 100283-2L Radeon HD 5770 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card. IT'S NOT THE CLOSED CASE 5770, THAT ONE IS LONGER. I WANT THE LENGTH OF THE ONE WITH THE OPEN HEAT SINK