For all R420 chipset graphics cards. Available with and without a light. The WB with the light loses the adjacent PCI slot.
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For ATI Radeon X850 und X800 graphics cards (only to the reference design) Chipset: R420, R430, R480 and R423 (X800 PRO PCI-E X800 XT PCI-E X800 XT-PE PCI-E)
For X1800, X1800XT and X1800XL graphics cards (R520 chip set). Also X1900 and X1950 plus variants.
The waterblock covers the GPU, the RAM and the power module.