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ASUS Dual Radeon RX 6600 XT graphics card, two-fan cooler, dark grey metal shroud, silver backplate, PCIe bracket with one HDMI

ASUS

ASUS Dual Radeon RX 6600 XT 8GB GDDR6 graphics card

SKU CH-ZM02-6P66G

Delivers 1080p gaming with 8 GB GDDR6 at 16 Gbps, 2048 stream processors, PCIe 4.0 and four-display output via HDMI 2.1 and three DisplayPort 1.4a ports

  • Graphics processorRadeon RX 6600 XT
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • Shader units2048
  • Highest resolution7680 × 4320
  • Type of memoryGDDR6
  • RDNA 2 architecture powers 2048 stream processors for 1080p gaming
  • 8 GB GDDR6 memory at 16 Gbps on a 128-bit bus
  • PCI Express 4.0 interface doubles bandwidth over 3.0
  • One HDMI 2.1 plus three DisplayPort 1.4a drive four 8K displays
  • Dual-fan 2.5-slot cooler fits compact builds at 9.60" length

Dual Radeon RX 6600 XT 8GB GDDR6

This ASUS Dual series card targets 1080p gaming with the AMD Radeon RX 6600 XT GPU. The RDNA 2 architecture provides 2048 stream processors and an effective memory clock of 16 Gbps across 8GB of GDDR6 on a 128-bit interface. It connects via PCI Express 4.0 and supports DirectX 12 Ultimate plus OpenGL 4.6 for modern titles.

2.5-slot cooler thermals and power

The 2.5-slot design houses a dual-fan cooler built to handle the GPU load at a core clock of 1867 MHz. Heat exhausts through the rear bracket, keeping internal case temperatures manageable. Power draw stays within typical limits for a single 8-pin connection, and fan curves stay quiet at idle before ramping under sustained load.

HDMI 2.1 and triple DisplayPort 1.4a outputs

One HDMI 2.1 port and three DisplayPort 1.4a connectors drive up to four monitors at a maximum resolution of 7680 x 4320. The card measures 9.60 inches by 5.30 inches, fitting most ATX builds with two and a half slots of clearance. A reinforced backplate adds rigidity and protects the PCB during installation and transport.

How it compares

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

Price $242.99
Cheaper than about 65% 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 nameASUS
Product lineDual
Model nameDUAL-RX6600XT-O8G
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 speed16 Gbit/s
Memory bus width128-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
CrossFireX compatibilityCrossfire Support for DirecX 12 and Vulkan
VR readyYes
Audio & video
HDCP support2.3
Ports & slots
Interface typePCI Express 4.0
HDMI ports1 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Recommended power supply500 W
Power input connector1 × 8-pin
Size & build
Form factorATX
Max graphics card length243 mm
Card size9.6 in × 5.3 in
Slots occupied2.5 Slot

Questions about this item

Will the 2.5-slot thickness and 9.60-inch length fit my case?

The card measures 9.60 inches long and occupies 2.5 slots, so verify your case clearance and motherboard spacing before installing.

What power connectors are required for the 1867 MHz core clock?

The board draws power through a standard 8-pin PCIe connector; ensure your supply has one available and meets the recommended wattage.

Can I run four monitors at 7680 x 4320 using the 1 x HDMI 2.1 and 3 x DisplayPort 1.4a outputs?

Yes, the four outputs support up to 7680 x 4320 combined, allowing four simultaneous displays at high resolution.

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