Heat Sink Passive BGA Cross-Cut SMD 11.1°C/W Black Anodized

maxiGRIP BGA Heat Sink, 19mm x 19mm, 14.5mm Height, Anodized Aluminium
maxiFLOW Heat Sink, 45mm x 45mm x 8.5mm, Anodized Black, ASIC Package
Aluminium Heat Sink, BGA, Adhesive Mount, 33mm x 33mm x 0.964inch