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  • MX66785 DUAL RX580 OC Radeon RX 580 8GB PCI-E w/ DVI, Dual HDMI, Dual DP
  • MX66785 DUAL RX580 OC Radeon RX 580 8GB PCI-E w/ DVI, Dual HDMI, Dual DP
  • MX66785 DUAL RX580 OC Radeon RX 580 8GB PCI-E w/ DVI, Dual HDMI, Dual DP
  • MX66785 DUAL RX580 OC Radeon RX 580 8GB PCI-E w/ DVI, Dual HDMI, Dual DP

DUAL RX580 OC Radeon RX 580 8GB PCI-E w/ DVI, Dual HDMI, Dual DP

From 3 Customer Reviews

Product Info

Asus Dual Series RX 580 Cards Are The Sweet Spot Of Performance

ASUS Dual series RX 580 comes equipped with Patented Wing-Blade Fans for max air flow with 105% more air pressure. The fans are IP5X dust-resistant for improved reliability and a longer lifespan. While exclusive Auto-Extreme Technology with Super Alloy Power II components for superior stability. GPU Tweak II with XSplit Gamecaster that provides intuitive performance tweaking and instant gameplay streaming.


  • 1,380MHz Boost Clock in OC Mode for outstanding gaming performance
  • Dual-fan cooling provides doubled airflow for 3x quieter gameplay
  • Perfectly matched with ASUS X99-A II Overview motherboards for optimized style and performance
  • AMD Radeon™ VR Ready Premium with dual HDMI 2.0 ports to simultaneously connect headset & monitor
  • GPU Tweak II makes monitoring performance and streaming easier than ever, featuring Game Booster and XSplit Gamecaster, all via an intuitive interface and 1-click overclocking
  • Auto-Extreme manufacturing technology delivers premium quality and reliability with aerospace-grade Super Alloy Power II components


0dB Technology

Game in Complete Silence
Innovative 0dB technology stops the fan completely when the GPU temperature remains below 55°C, letting you enjoy light gaming in complete silence.

IP5X-Certified Dust Resistance

Longer Fan Lifespan
The fans in ASUS Dual series of RX 580 graphics cards are certified under the International Protection Marking (IP code) as IP5X dust resistant for improved reliability and a longer lifespan. This stringent certification process ensures ASUS Dual series of RX 580 graphics cards provide optimal fan performance, even under severe conditions.

Patented Wing-Blade Design

Max Air Flow with 105% More Air Pressure
Patented wing-blade fans delivers maximum air flow and 105% greater static pressure over the heat sink, while operating at an up to 3X quieter volume than reference cards.


Auto-Extreme Technology with Super Alloy Power II

Premium quality and best reliability
ASUS graphics cards are produced using Auto-Extreme technology, an industry-first 100% automated production process, and feature premium Super Alloy Power II components that enhance efficiency, reduce power loss, decrease component buzzing under load, and lower thermal temperatures for unsurpassed quality and reliability.

VR-Friendly HDMI Ports

Enjoy immersive virtual reality experience
ASUS Dual series of RX 580 graphics cards have two HDMI ports for connecting a VR device and display at the same time, so you can enjoy immersive virtual reality experiences anytime without having to swap cables.


GPU Tweak II with XSplit Gamecaster:

Intuitive Performance Tweaking
Adjust clock speeds, voltages and fan speeds to tune your graphics card(s) exactly how you want to. Select between GPU Tweak's Standard or Advanced modes depending on your level of experience.

Choose Standard Mode to access Intuitive options for easy tweaking. This is great for those learning how to tune graphics cards. Alternatively try out the Advanced Mode for sophisticated and extensive tuning options that enable complete control for experienced overclockers.


XSplitGamecaster: Instant Gameplay Streaming

Now, you can also launch XSplit Gamecaster to bring up the in-game overlay and start streaming or recording your gameplay with the click of a button. You can also try the in-game annotations and video editor features to enhance your game stream experience.

Learn more about XSplitGamecaster


I/O Port


System Requirements

Windows® PC with:

  • Windows® 10, 8.x or 7 (64bit highly recommended)
  • PCI-e 3.0 Card Slot with room for double wide card
    • Runs in PCI-e 2.0 Card Slot with reduced performance
  • 500W Power Supply with 1x 150W 8-pin PCI-e connector
    • NOTE: Minimum recommended system power supply wattage based on this graphics card and the typical power requirements of other system parts. Your system may require more or less power.
  • Installation software requires an optical drive, a keyboard, a mouse, and a (HDMI, DisplayPort or DVI) Display Monitor
  • Not made for Commercial use; AMD suggests FirePro™ Graphics Cards for Industrial 3D Graphics Use.


Make and Model ASUS Radeon™ RX 580 Dual Video Card, 8GB
Part Number DUAL-RX580-O8G
Chipset AMD Radeon™ RX 580
Clock Rate OC Mode: 1,380 MHz
Gaming Mode: 1,360 MHz
Stream Processors 2,304 Stream Processors
GPU Performance ~6.0 TFLOPs
Texture Fill Rate 192.96 GT/s
Memory 8 GB GDDR5 VRAM
Memory Clock 8,000 MHz Effective
Memory Interface 256-bit
Memory Speed N/A
Memory Bandwidth 256 GB/s
Cooling Dual slot dual fan cooler
Bus Interface PCI Express 3.0
Power Type 1 x 8-pin
Resolution Digital Max Resolution: 7680 x 4320
w/ AMD Eyefinity™ Technology
Max. Display Support Supports up to 4 Monitors at once
Multi GPU Support Supports 2-Way Crossfire™
DVI 1x DVI-D port
HDMI 2x HDMI v2.0 ports
DisplayPort v1.2 2x DisplayPort ports
VGA Support No
Video In No
HDCP Support Yes
DirectX Support Version 12
OpenGL Support Version 4.5
Dimensions 9.53" x 5.07" x 1.49" (24.2 x 18.9 x 3.8 cm)
Dual Slot
Weight TBA