Engineered in the USA Product Updates 6-25-09 Now shipping Rev.2: click to enlarge Initial release was CNC machined from billet aluminum. Revision 2 is now made of a custom aluminum extrusion allowing taller and thinner fins for better convective cooling. Fin orientation is now longitudinal. Cost is substantially lowered (new MSRP is $28.95) Introduction: The Caldera heatsink is designed to cool surface mount components (memory, voltage mosfets, I/O chip) on AMD's reference series HD4870X2 graphics cards. The Caldera Heatsink is compatible with the MCW60 VGA water-block, as well as the upcoming Caldera 4870X2 water-block. In both cases, it will allow the highest possible stable overclocks of these high-end graphic cards while keeping them cool and silent. Pictures Gallery The Caldera heatsink installed with (2) MCW60's (Heatsink Rev1 shown) The Caldera full-coverage solution - Rev 1 heatsink shown The Caldera heatsink utilizes the stock solution back-plate Back to top Specifications. Material: black anodized 6061 Extruded Aluminum Dimensions (Inch): 8.2" (L) x 3.6 (W) x .47" (H) Dimensions (Metric): 208mm (L) x 93mm (W) x 12mm (H) Weight: 6.4 oz (181 g) Installation: high thermal conductivity pad Back to top Suggested Retail Pricing Consumer sales: please consult your Swiftech distributor prior to ordering direct from us, or purchase the product factory direct here MODEL Description MSRP in US$ CALDERA-HS  Heatsink, including thermal pads, spare screws, installation guide $28.95 OTIONAL COMPONENTS NEEDED FOR A FULL SOLUTION MCW60-R Retail packaging version: Water-block assembly including mounting hardware for most ATI® & nVidia® High-end graphics cards (including GeForce® 8800 series), Arctic Céramique thermal compound, installation guide. $46.95 MCW60-4870X2-CSK MCW60 Custom 6x32xM2 screw kit for ATI HD4870X2 graphics cards $4.95 Back to top