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PowerColor
PowerColor Hellhound Radeon RX 7900 XT RX7900XT 20G-L/OC/WHITE graphics card
Refurbished Radeon RX 7900 XT with 20GB GDDR6, 2500 MHz boost clock, triple-fan cooler, 1 HDMI 2.1 and 3 DisplayPort 2.1 outputs
- InterfacePCI Express 4.0
- Chipset ManufacturerAMD
- GPU SeriesAMD Radeon RX 7000 Series
- GPURadeon RX 7900 XT
- Game Clock2130 MHz
- Boost Clock2500 MHz
- 20 GB GDDR6 memory enables high-resolution textures
- Boost clock reaches 2500 MHz for peak gaming performance
- HDMI 2.1 and three DisplayPort 2.1 outputs drive four 8K displays
- Triple-fan cooler handles 300 W TDP within a 320 mm card
- PCI Express 4.0 interface and 750 W PSU recommendation ensure stable power delivery
20GB GDDR6 320-Bit Frame Buffer
The PowerColor Hellhound Radeon RX 7900 XT equips 20GB of GDDR6 memory across a 320-bit interface. It targets enthusiasts and creators who need high VRAM capacity for 4K gaming and compute workloads. The AMD RDNA 3 GPU provides 5376 stream processors. A factory overclock lifts the boost clock to 2500 MHz while the game clock sits at 2130 MHz.
Sustained Load Thermal Behaviour
The card draws a typical board power of 300W and requires a 750W power supply fed by two 8-pin connectors. A triple-fan cooler moves heat across a three-slot ATX form factor that measures 320 mm in length. Under prolonged load the cooler maintains the elevated boost frequency without throttling. Power delivery is rated for continuous operation at the specified clocks.
PCI Express 4.0 Display Output Limits
The PCI Express 4.0 interface connects the GPU to the platform at the standard lane rate. Display outputs comprise one HDMI 2.1 port and three DisplayPort 2.1 connectors driving up to four monitors at a maximum resolution of 7680 x 4320. The ports support the full link bandwidth defined by the DisplayPort 2.1 and HDMI 2.1 specifications.
Highlights
- 20 GB GDDR6 memory enables high-resolution textures
- Boost clock reaches 2500 MHz for peak gaming performance
- HDMI 2.1 and three DisplayPort 2.1 outputs drive four 8K displays
- Triple-fan cooler handles 300 W TDP within a 320 mm card
- PCI Express 4.0 interface and 750 W PSU recommendation ensure stable power delivery
Specifications
| Brand | PowerColor |
|---|---|
| Series | Hellhound |
| Model | RX7900XT 20G-L/OC/WHITE |
| Interface | PCI Express 4.0 |
| Chipset Manufacturer | AMD |
| GPU Series | AMD Radeon RX 7000 Series |
| GPU | Radeon RX 7900 XT |
| Game Clock | 2130 MHz |
| Boost Clock | 2500 MHz |
| Stream Processors | 5376 |
| Memory Size | 20GB |
| Memory Interface | 320-Bit |
| Memory Type | GDDR6 |
| DirectX | DirectX 12 |
| OpenGL | OpenGL 4.6 |
| Multi-Monitor Support | 4 |
| HDMI | 1 x HDMI 2.1 |
| DisplayPort | 3 x DisplayPort 2.1 |
| Color | White |
| Max Resolution | 7680 x 4320 |
| Cooler | Triple Fans |
| Thermal Design Power | 300W |
| Recommended PSU Wattage | 750W |
| Power Connector | 2 x 8-Pin |
| Form Factor | ATX |
| Max GPU Length | 320 mm |
| Slot Width | 3 Slots |
| Shipping weight | 2.22 kg |
| Package size | 415 × 221 × 112 mm |
Questions about this item
How much heat does the 300W TDP and triple-fan cooler put out during all-day loads?
The card has a 300W thermal design power and uses three fans to move that heat out of the case.
What power connectors and PSU capacity are required to run this card?
It needs two 8-pin power connectors and a power supply of at least 750W.
Will the 320 mm length and three-slot width fit alongside my existing PCIe 4.0 components?
The card measures 320 mm long and occupies three expansion slots, so check your case clearance and motherboard layout before installing.
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