• L116.2 x W95.6 x H27.6mm (heatsink only)
• Weigh t: 290g (heatsink only)
  
  REMARK*The models listed are based on ATI and Nvidia’s reference mechanical layout. Some manufacturers stray away from the standard and develop their own layout. For those, Thermalright holds no responsibility in case of incompatibility after purchase of Thermalright product(s).

The ATI 4870 consists of two GPU sockets and the mounting holes are different from any other graphic cards. Currently we do not have a solution for ATI’s 4870x2 but with some modification, you can have the Thermalright solution.
First you will need to purchase one HR-03 Rev. A and one V2 VGA cooler. Install V2 on the first GPU and then HR-03 Rev. A on the other in Type 1 method. For the HSI chipset, the HSI heatsink from the HR-03 Rev. A would suffice. Please refer to the picture for the HR-03 Rev. A/V2 installation.

Credit to Harley, a true overclocker at Chiphell-http://bbs.chiphell.com/
http://bbs.chiphell.com/viewthread.php?tid=30957&highlight=4870%2Bx2