What cooling setup comes preinstalled in the case?

It comes with 5 preinstalled fans: 2x 140mm ARGB front fans, 1x 120mm ARGB rear fan, and 2x 120mm bottom fans.

Can this case fit a large graphics card, and if so, what is the maximum supported length?

Yes. The COUGAR DUOAIR RGB supports graphics cards up to 410 mm in length.

Questions & Answers: COUGAR DUOAIR RGB Mid-Tower Case, 5 Fans Preinstalled, 410mm Graphic Card Supported, 360mm Water Cooling Supported, Dual Front Panels (Mesh/Glass), White

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COUGAR DUOAIR RGB Mid-Tower Case, 5 Fans Preinstalled, 410mm Graphic Card Supported, 360mm Water Cooling Supported, Dual Front Panels (Mesh/Glass), White

Interchangeable glass/mesh front panels allow for easy transition between maximum cooling and premium build visibility.
A front-mounted PSU placement clears space for true vertical intake.
Perforated bottom side panels significantly enhance lower fan intake.
Preinstalled 5-fan configuration: 2x140mm ARGB front fans, 1x120mm ARGB rear fan, and 2x120mm bottom fans.
Premium ZPX/ZPB fans utilize Rifle Bearing and stabilizing rings to reduce turbulence and ensure silent, long-lasting operation.
Accommodates large 410mm GPUs while maintaining a compact overall footprint.
Refined rounded edges offer a modern alternative aesthetic and gentler handling.
Three integrated dust filters, including a stylish quick-slide front filter, provide effortless maintenance and long-term protection.
A discreetly positioned ARGB light bar adds ambience without disrupting front profile.

$89^.99 –