Features:

• Fits Reference Design ATI4850 video cards
• Not Compatible:
  
  • Palit 4850
  • Gigabyte HD4850 1GB Version
  • SAPPHIRE 100258-1GL
  • ASUS Radeon HD 4850 EAH4850/HTDI/512M
    
• Pure Copper 110 used for the copper base
• High Flow design
• Easy installation with Hard Mount Stops built into the block.
• Compatible with reference 
• Crossfire Compatible and Certified!! 

 Benefits:

• Significantly reduces Load and Idle temperatures on the video card by 20-30C+
• Capable of massive overclocks - card/silicon dependent
• Completely Anti-Corrosive.  No Aluminum used
• Prepped for Crossfire
• Smoked acrylic top!
• All hardware is included to mount one block to one card...including thermal pads and Ceramique thermal paste.
  

Advantages

• Includes the Danger Den warranty and support via Phone, Email, Forums, Live Chat, or Ticket system!!!
• Reduce temperature by more than 20-30+C
• Bridges to cool all components are built in!  No fumbling with bridge mounting hardware
• Allows the removal of the noisy fans on the Stock / OEM heatsink
• Uses the international standard G 1/4 BSPP Fittings
• Every block is pressure leak tested before shipment

Options:

• Fitting Size

Resources:

• Block Accessories
• Instructions
• Reviews