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White triple-fan graphics card with silver accents, 320 mm long, occupies three slots

PowerColor

PowerColor Hellhound Radeon RX 7900 XT RX7900XT 20G-L/OC/WHITE graphics card

SKU CH-H2MY-FGR4B MPN RX7900XT 20G-L/OC/WHITE

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.

Points forts

  • 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

Caractéristiques

BrandPowerColor
SeriesHellhound
ModelRX7900XT 20G-L/OC/WHITE
InterfacePCI Express 4.0
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 7000 Series
GPURadeon RX 7900 XT
Game Clock2130 MHz
Boost Clock2500 MHz
Stream Processors5376
Memory Size20GB
Memory Interface320-Bit
Memory TypeGDDR6
DirectXDirectX 12
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 2.1
ColorWhite
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power300W
Recommended PSU Wattage750W
Power Connector2 x 8-Pin
Form FactorATX
Max GPU Length320 mm
Slot Width3 Slots
Poids d’expédition2.22 kg
Dimensions du colis415 × 221 × 112 mm

Questions sur cet article

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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