Powercolor Rx 6600 Xt Helhound 8Gb Graphics Card (Axrx-6600Xt-8Gbd6-3Dhl)


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Model No : AXRX-6600XT-8GBD6-3DHL

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product description




Hellhound: A Cool but Powerful Beast

The PowerColor Hellhound Radeon™ RX 6600XT is built based on AMD’s latest RDNA2 architecture with enhanced performance and cooling efficiency to empower gamers to vanquish 1080p gaming. Housing two 100mm fans, the shroud is clean and sleekly crafted with silver accent, just like a hound stays calm and low-keyed but always ready to release its power inside.

The Power of Hellhound

To provide a better thermal solution, PowerColor Hellhound RX 6600 XT is equipped with a dual fan design (2x 100mm), a cooler with 3X6Φ nickel plated heatpipes, and a smooth nickel-plated copper base that enhances heat dissipation. Besides, it adopts 6+2 phase VRM with DrMOS, high polymer solid capacitors and one 8-pin PCI-E connectors to deliver advanced gaming performance.

1. Back Plate

The metal back plate strengthens the card and offers better heat dissipation.

2. LED Switch

Want to keep a low profile for a while? Just flip the switch; the fan LED will be off.

3. DrMos

DrMOS provides superior power efficiency and offers better thermal protection. Hellhound is armed with stronger components: a 6+2 phases VRM guarantees better overclocking and stability.

4. Cooler

3X6Φ heatpipes efficiently dissipate the heat and make your card cool.

5. Dual Fan

The 2x 100mm optimized static pressure fan design provides more air flow and longer circulation.

6. LED Lighting

Hellhound features the blue LED lighting on the shroud and backplate that provides a cold color when lighten up in your case.

Two-Ball Bearing – 4X greater longevity

The cooling fan utilizes two-ball bearing technology, increasing the longevity of the fans by up to 4 times.

Mute Fan Technology – 0db –Silent gaming

Mute Fan Technology intelligently turns off the fan below 60℃, providing silent gaming during medium and low load while reducing power consumption.

Exclusive New Cooling-Fan Design, Advanced Cooling Solution

Compared with previous design, PowerColor Hellhound RX 6600 XT graphics card uses an exclusive new cooling-fan design to increases airflow and air pressure by up to 60%, achieving new level of thermal performance.

Dual-Fan Cooler, Lower Temperature Better Performance

The Hellhound RX 6600 XT equips with 3X6Φ nickel plated copper heatpipes and an enlarged heatsink surface for providing lower temperature but better performance.

Horizontal Aluminum Fin Design

The increased array of horizontal aluminum fins helps the copper heatpipes collect and dissipate heat with maximum efficiency.

Copper Base Direct Touch

A smooth nickel plated copper base directly contacts the GPU to enhance exceptional heat dissipation efficiency, and to keep the card in the optimum cooling condition.

Platinum Power Kit—DrMOS‧ Digital controller and high polymer solid capacitor for improved reliability‧ Superior power efficiency‧ Significantly low power loss‧ Better thermal protection‧ A 6+2 phase VRM guarantees better overclocking and stability

Stunning Hellhound Brighten in the Dark

Hellhound features the blue LED lighting on the shroud and backplate that provides a cold color when lighten up in your case. Want to keep a low profile for a while? Just flip the switch; the fan LED will be off.

Reinforced Back Plate

The metal back plate is extremely rigid to strengthen the card to prevent PCB bending, and the hollow area allows heat release promptly to enhance airflow.


Introducing AMD Radeon™ RX 6600 XT graphics cards, featuring the breakthrough AMD RDNA™ 2 architecture. Engineered to deliver an incredible 1080p gaming experience, the AMD Radeon™ RX 6600 XT powers the next generation of gaming with vivid visuals and elevated experiences.

Powerhouse Performance

AMD Radeon™ RX 6600 XT graphics cards deliver serious 1080p gaming and ultra-high frame rates. Get up to 32 high-performance compute units, groundbreaking AMD Infinity Cache, and up to 8GB of dedicated GDDR6 memory. Experience the next gen of gaming performance with AMD Smart Access Memory technology when you pair an AMD Radeon™ RX 6600 XT graphics card with an AMD Ryzen™ 5000 Series desktop processor.

Vivid Visuals

With immersive gaming technologies and support for DirectX® 12 Ultimate, AMD Radeon™ RX 6600 XT graphics cards draw you into the action. Experience gaming with realistic lighting, shadows, and reflections along with rich detail, thanks to DirectX® Raytracing (DXR), variable rate shading (VRS), and AMD FidelityFX features, optimized for AMD RDNA™ 2 architecture.

AMD Smart Access Memory Technology All AMD Performance. Built to Game.

Combine an AMD Ryzen 5000 Series processor or a select AMD Ryzen 3000 Series processor with an AMD Radeon RX 6600 XT graphics card to boost your system’s performance, thanks to AMD Smart Access Memory technology. AMD Smart Access Memory enables AMD Ryzen processors to harness the full potential of the graphics card memory. Enjoy increased performance with all-AMD in your system for the ultimate gaming advantage.

One Gaming DNA for PCs and Consoles

AMD RDNA™ 2 architecture is the foundation of next-generation gaming PCs and consoles. It is the bedrock of the revolution in PC gaming graphics and cloud gaming. AMD RDNA™ 2 elevates and unifies visual effects and gameplay across multi-gaming platforms, like no other graphics architecture before.


AMD FidelityFX Super Resolution (FSR) boosts your frame rates 2.4X on average in FSR supported games with high-quality, high-resolution gaming experiences delivered by AMD Radeon RX 6000 Series graphics cards. Optimize your gaming experience between four presets, ranging from best visual fidelity to maximum performance.

Model AXRX 6600XT 8GBD6-3DHL
Chipset AMD Radeon
GPU RX 6600 XT
PCI Express 4.0
GPU Boost Clock 2589 Mhz
Memory Clock 16 Gbps
Memory Size 8 GB
Memory Interface 128-Bit
Memory Type GDDR6
Direct X Support 12
Open GL 4.5
  • 1 x HDMI 2.1
  • 3 x DisplayPort 1.4
Resolution 7680×4320
Cooler Dual Fan
Software Driver and Software
Package Contents Graphics Card, User Manual
Power Connectors 1 x 8 Pin
Warranty 2 Years
Note** ***Features, Price and Specifications are subject to change without notice.

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