Ok, I found it on Zdnet. It's the GeforceFX 5800 ultra that had the vacuum sounding fan and two slots used (1 AGP, 1 PCI I guess). Since consumers complained, the 5800u was quickly dropped and replaced with the 5900 ultra, which is way less noisy, performs better, but still uses two slots.

However, these are the top-of-the-line cards that are here to compete against the Radeon 9800 Pro, so, they cost a lot of money. The 5200, however, is the low price model, and for its price, it does pretty good.