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Gigabyte passively cools Radeon HD 5770

HardwareNews
by Staff Writer
, 25 Aug 2010News

With its toasty 108W total board power, dual-slot reference cooler and 850MHz GPU, you'd have to be a brave thermal engineer to consider passively cooling a Radeon HD 5770, but that hasn't deterred Gigabyte from having a go.

The Taiwanese tech firm has just surreptitiously released its GV-R577SL-1GD Radeon HD 5770 graphics card, which forms a part of its passively-cooled Silent Cell range. Featuring a mammoth dual-slot heatsink, several heatpipes and a further set of fins on top of the card, Gigabyte reckons the card can be effectively cooled with nothing more than the airflow in your case.

The fan-free card could be ideal for owners of media centre PCs wanting to turn their machines into lounge-based gaming rigs that don't sound like a helicopter. As such, the card sports a number of display outputs, including both HDMI and DisplayPort connectors in addition to the standard DVI port.

Gigabyte 5770 Silent Cell

Reference Radeon HD 5770 cards also come with an additional DVI connector, but Gigabyte has removed this in order to make room for a backplate full of vents on the right of the card.

Unsurprisingly, Gigabyte hasn't attempted to overclock the card, so it features the same settings as AMD's reference cards. This means the 40nm GPU is clocked at 850MHz, while the 1GB of GDDR5 memory runs at 4.8GHz (effective). This is addressed via a 128-bit memory interface.

With full support for DirectX 11, and a healthy bank of 800 stream processors at its disposal, the card isn't going to rival Radeon HD 5800-series cards, but it will still offer a respectable gaming experience nonetheless.

There's no word on UK pricing or availability yet, but a standard Gigabyte Radeon HD 5770 card currently costs £133.46, and you can expect to pay an extra few quid for the custom cooler design.

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