k, did some digging, and ...
came across a review of Patriot Memory PDC22G8000ELK PC2-8000 DDR2 on PC stats:
http://pcstats.com/articleview.cfm?articleID=1935
which references the chip to manufacturer Elpida as p/n PM64M8D2B-25AEL , whose spec sheet appears here:
http://www.elpida.com/pdfs/E0865E11.pdf
and rates the power dissipation of an entire module up to 18 Watts.
Pfew!