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PowerColor Hellhound Radeon RX 7900 XT triple-fan graphics card in dark grey and black finish

PowerColor

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

SKU CH-5V4F-BY3RG MPN RX7900XT 20G-L/OC

Refurbished AMD Radeon RX 7900 XT graphics card with 20GB GDDR6 memory, 5376 stream processors and a 2500 MHz boost clock on a triple-fan cooler

  • InterfacePCI Express 4.0
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 7000 Series
  • GPURadeon RX 7900 XT
  • Game Clock2130 MHz
  • Boost Clock2500 MHz
  • 20GB GDDR6 memory on a 320-bit bus enables high-resolution textures
  • Boost clock of 2500 MHz delivers strong gaming performance
  • 5376 stream processors provide parallel compute power
  • HDMI 2.1 and three DisplayPort 2.1 outputs drive four 8K displays
  • Triple-fan cooler handles the 300W thermal design power

PowerColor Hellhound Radeon RX 7900 XT 20GB

The PowerColor Hellhound Radeon RX 7900 XT is a graphics card built on the AMD Radeon RX 7000 Series architecture with 20GB of GDDR6 memory across a 320-bit interface. It connects via PCI Express 4.0 and features a triple-fan cooler. This refurbished unit targets enthusiasts seeking high-resolution gaming and compute performance.

Who this suits and who should look elsewhere

This card suits builders who need 20GB VRAM for 4K gaming or professional workloads and have a 750W power supply with two 8-pin connectors. The 3-slot, 320mm length requires a compatible ATX case. Users with smaller cases, lower-wattage PSUs, or only HDMI 2.0 displays should consider other options.

The deciding specification: 20GB 320-bit GDDR6

The 20GB 320-bit GDDR6 memory configuration is the single spec that determines fit. It enables high-resolution textures and large frame buffers at 7680 x 4320 output across one HDMI 2.1 and three DisplayPort 2.1 ports. If your workload demands more VRAM or a wider bus, this model will not meet that requirement.

Points forts

  • 20GB GDDR6 memory on a 320-bit bus enables high-resolution textures
  • Boost clock of 2500 MHz delivers strong gaming performance
  • 5376 stream processors provide parallel compute power
  • HDMI 2.1 and three DisplayPort 2.1 outputs drive four 8K displays
  • Triple-fan cooler handles the 300W thermal design power

Caractéristiques

BrandPowerColor
SeriesHellhound
ModelRX7900XT 20G-L/OC
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
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

Will the 320 mm length and 3-slot width of this Hellhound card fit inside my ATX case?

The card measures 320 mm long and occupies three expansion slots, so verify your case has at least 320 mm of GPU clearance and three adjacent rear brackets free before ordering.

Which power connectors must I plug in, and what PSU wattage is recommended for the 300 W TDP?

Connect both 8-pin PCIe power cables from a 750 W or higher power supply; missing either connector will prevent the card from reaching its 2500 MHz boost clock.

How often should I clean the triple-fan cooler to keep the 2130 MHz game clock stable?

Blow dust from the three fans and heatsink fins every three to six months; clogged airflow raises temperatures and can throttle the 2130 MHz game clock during long sessions.

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