I'd prefer a completely regular black anodised heatsink without any "design" but that's the closest any current board gets to it. Supermicro server boards are

I'd prefer a completely regular black anodised heatsink without any "design" but that's the closest any current board gets to it. Supermicro server boards are about as utilitarian as you can get, with off the shelf heatsinks slapped on them, its only the consumer gear that wastes money on this stuff.