OCZ DDR2 PC2-9200 Flex II memory
 

The massive heatsinks that double as water coolers add significant heft, and you can pretty much forget about mounting four of these modules on a motherboard - on the other hand, there is sufficient heat sink area that it is doubtfull that actually water cooling the modules will have any significant benefit.

http://www.neoseeker.com/Articles/Ha...0_flex_ii_4gb/