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Gigabyte Radeon RX 6600 XT Gaming OC Pro graphics card with triple-fan Windforce cooler and metal backplate

GIGABYTE

GIGABYTE GV-R66XTGAMINGOC PRO Radeon RX 6600 XT 8GB graphics card

SKU CH-E8K9-G8HJ5 MPN GV-R66XTGAMINGOC PRO

Refurbished 8 GB GDDR6 graphics card with WINDFORCE 3X triple-fan cooling, PCIe 4.0 and four display outputs

  • InterfacePCI Express 4.0
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 6000 Series
  • GPURadeon RX 6600 XT
  • ArchitectureRDNA 2
  • Stream Processors2048
  • RDNA 2 architecture drives 1080p gaming with 2048 stream processors
  • 8GB GDDR6 memory at 16000 MHz feeds high-resolution textures
  • WINDFORCE 3X cooler with alternate spinning fans keeps temperatures low
  • Dual HDMI 2.1 and dual DisplayPort 1.4a support four 8K displays
  • Graphene nano lubricant extends fan lifespan for lasting reliability

Radeon RX 6600 XT 8GB Gaming Card

The GIGABYTE GV-R66XTGAMINGOC PRO is a PCI Express 4.0 graphics card built around the AMD RDNA 2 architecture. It delivers 2048 stream processors and 8GB of GDDR6 memory on a 128-bit interface. The card targets 1080p gaming at high refresh rates and content creation workflows needing multi-monitor support.

WINDFORCE 3X Cooling Under Load

The WINDFORCE 3X system uses three alternate-spinning fans and graphene nano lubricant to manage sustained thermal output. A metal back plate adds structural rigidity and assists heat dissipation during extended sessions. Screen cooling directs airflow across the PCB to keep memory and VRM temperatures stable when the GPU runs at peak clocks for long periods.

PCI Express 4.0 Interface Limits

The x16 PCIe 4.0 link provides the data path between the GPU and the platform. The 128-bit memory bus and 16000 MHz effective clock cap peak memory bandwidth, which frames the practical ceiling for texture streaming and frame-buffer throughput. DisplayPort 1.4a and HDMI 2.1 outputs support 7680 x 4320 resolution across four displays within the interface’s signalling constraints.

Highlights

  • RDNA 2 architecture drives 1080p gaming with 2048 stream processors
  • 8GB GDDR6 memory at 16000 MHz feeds high-resolution textures
  • WINDFORCE 3X cooler with alternate spinning fans keeps temperatures low
  • Dual HDMI 2.1 and dual DisplayPort 1.4a support four 8K displays
  • Graphene nano lubricant extends fan lifespan for lasting reliability

Specifications

BrandGIGABYTE
SeriesGaming
ModelGV-R66XTGAMINGOC PRO-8GD
InterfacePCI Express 4.0
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 6000 Series
GPURadeon RX 6600 XT
ArchitectureRDNA 2
Stream Processors2048
Effective Memory Clock16000 MHz
Memory Size8GB
Memory Interface128-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1
DisplayPort2 x DisplayPort 1.4a
Max Resolution7680 x 4320
CoolerWINDFORCE 3X
Recommended PSU Wattage500W
Power Connector8-Pin
FeaturesPowered by AMD RDNA 2 Radeon RX 6600 XT
Integrated with 8GB GDDR6 128-bit memory interface
WINDFORCE 3X Cooling System with alternate spinning fans
Screen cooling
Graphene nano lubricant
RGB Fusion 2.0
Protection metal back plate
Form FactorATX
Max GPU Length282 mm
Card Dimensions (L x H)11.10" x 4.53"
Slot Width2.5 Slot
Shipping weight1.45 kg
Package size404 × 235 × 91 mm

Questions about this item

How loud and hot does the WINDFORCE 3X cooler with alternate spinning fans and graphene nano lubricant get during all-day use?

The WINDFORCE 3X cooling system uses alternate spinning fans and graphene nano lubricant to reduce turbulence and friction, while screen cooling directs airflow over the back-plate to lower component temperatures during extended sessions.

What power supply and connector must my system already have for this card to work?

A 500W power supply with an available 8-pin PCIe power connector is required to run the GV-R66XTGAMINGOC PRO.

Will the PCI Express 4.0 interface and 128-bit GDDR6 memory run properly on my older PCIe 3.0 motherboard?

The PCI Express 4.0 interface is backward compatible with PCIe 3.0 slots, so the card will function normally, though peak bandwidth will be limited to the older slot's capability.

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