From Hexus:

For whatever reason, some people just don't have the room for a dual-slot graphics card in their system. Unfortunately, with today's power-hungry GPUs, single-slot designs don't normally offer enough cooling for anything more than low-to-mid-range chips. Now, though, it seems that PowerColor has done the impossible by building a full-speed Radeon HD 5770 into a slim-line package.

While it's quite common to see cards that cut-back on cooling using lower clock speeds, this HD 5770 makes no such compromise. The GPU runs at 850MHz with 1GB GDDR5 ticking-along at the normal 1,200MHz (4,800MHz effective). The manufacturer even manages to cram a mostly-complete range of output options in, equipping the card with DVI, DisplayPort and HDMI connectors.

Of course, there are bound to be some compromises on a product like this. We're sure that the cooling system keeps temperatures at reasonable levels, but they're bound to be higher than what you'd expect from a dual-slot design. The smaller back-plate also loses the rear-vents, meaning you'll need to have pretty-solid airflow through your case to prevent overheating. Lastly, the fan itself looks quite small, meaning that it'll probably need to spin-up to pretty high speeds to keep the circuitry cool. Small, high-speed fans tend to be quite noisy, though we'd need to get some hands-on time to know for sure.

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