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GIGABYTE Radeon RX 6600 XT triple-fan graphics card with metal backplate

GIGABYTE

GIGABYTE Radeon RX 6600 XT GAMING OC 8G graphics card

SKU CH-3PVK-ZZYYN

Runs on AMD RDNA 2 architecture with 2048 stream processors and 8 GB GDDR6 memory on a 128-bit bus, cooled by WINDFORCE 3X triple fans and a metal backplate, and drives four displays via HDMI 2.1

  • Graphics processorRadeon RX 6600 XT
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • Shader units2048
  • Highest resolution7680 × 4320
  • Type of memoryGDDR6
  • RDNA 2 architecture delivers responsive 1080p gaming
  • 8 GB GDDR6 on a 128-bit bus provides ample texture memory
  • WINDFORCE 3X cooler with alternate spinning fans keeps temperatures low
  • Four display outputs (2 × HDMI 2.1, 2 × DP 1.4a) drive multi-monitor setups
  • Graphene nano lubricant extends fan bearing life for quieter operation

Ready for 1080p gaming

This GIGABYTE Radeon RX 6600 XT GAMING OC 8G targets players who want smooth frame rates at 1080p resolution. The card uses the AMD RDNA 2 architecture with 2048 stream processors and 8GB of GDDR6 memory on a 128-bit bus. A factory overclock pushes the effective memory clock to 16000 MHz for extra headroom in modern titles. It fits builds that need a PCI Express 4.0 graphics card with HDMI 2.1 and DisplayPort 1.4a outputs.

Sustained load with WINDFORCE 3X

The WINDFORCE 3X cooler uses three fans with alternate spinning to reduce turbulence across the heatsink. Screen Cooling vents let hot air escape toward the case exhaust instead of recirculating inside the shroud. Graphene nano lubricant on the fan bearings lowers friction so the fans keep consistent speed during long sessions. A metal backplate adds structural rigidity and helps spread heat away from the PCB under continuous load.

Check power and case clearance

Verify that your power supply has an 8-pin PCIe connector and enough wattage for the board. Measure the available length in your chassis because the triple-fan design is longer than dual-fan models. Ensure your motherboard has a PCI Express 4.0 slot to avoid bandwidth limits on the 128-bit memory interface. Confirm your monitor cable matches HDMI 2.1 or DisplayPort 1.4a for the 7680 x 4320 maximum resolution.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $290.99
Cheaper than about 58% of the 4,285 comparable items (median $354.99).
Memory capacity 8 GB
Typical for this category: the median of 3,563 items is 8 GB.
Shader units 2048
Lower than about 70% of the 637 comparable items (median 2,560).

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Specifications

Product
Brand nameGIGABYTE
Product lineGaming
Model nameGV-R66XTGAMING OC-8GD
Memory
Type of memoryGDDR6
Display
Highest resolution7680 × 4320
Graphics
Graphics processorRadeon RX 6600 XT
Memory capacity8 GB
Shader units2048
Chipset makerAMD
Graphics seriesAMD Radeon RX 6000 Series
GPU architectureRDNA 2
Effective memory speed16000 MHz
Memory bus width128-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Ports & slots
Interface typePCI Express 4.0
HDMI ports2 x HDMI 2.1
DisplayPort connectors2 x DisplayPort 1.4a
Power
Recommended power supply500 W
Power input connector8-Pin
Size & build
Form factorATX
Max graphics card length282 mm
Card size11.1 in × 4.53 in
Slots occupied2.5 Slot
In the box
In the boxAccessories:
Quick guide
More details
Cooling solutionWINDFORCE 3X

Questions about this item

How loud does the WINDFORCE 3X cooler run during an all-day gaming session?

The WINDFORCE 3X system uses alternate spinning fans and graphene nano lubricant to reduce turbulence, keeping acoustic levels low even under sustained load.

What power connectors must my PSU provide for the GV-R66XTGAMING OC-8GD?

This card requires an 8-pin PCIe power connector from your supply; ensure your unit has the cable and sufficient wattage headroom for the rest of your build.

Will the PCI Express 4.0 interface work properly in my older PCIe 3.0 motherboard slot?

Yes, the interface is fully backward compatible and will operate at PCIe 3.0 speeds without any configuration changes.

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