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Sapphire Tech

Sapphire Tech 11265-05-20G Radeon PULSE RX 580 8GB GDDR5 graphics card

SKU CH-H0K6-ZQ0YH MPN 11265-05-20G

Radeon RX 580 with 8 GB GDDR5, 2304 stream processors and a 1366 MHz boost clock, plus dual HDMI, dual DisplayPort 1.4 and DVI-D for five displays

  • Graphics processorRadeon RX 580
  • Memory capacity8 GB
  • Shader units2304
  • Highest resolution3840 × 2160
  • Boost frequency1366 MHz
  • Type of memoryGDDR5
  • 8 GB GDDR5 memory handles high-resolution textures
  • Boost clock reaches 1366 MHz for responsive gaming
  • Dual-X dual-fan cooler with Quick Connect simplifies maintenance
  • Five display outputs support multi-monitor setups
  • 2304 stream processors deliver strong compute performance

Target audience

The Sapphire Pulse RX 580 is a factory-overclocked graphics card built around the AMD Radeon RX 580 GPU with 2304 stream processors and 8GB of GDDR5 memory on a 256-bit bus. It targets gamers who want to run modern titles at 1440p resolution and 60 frames per second. The boost clock reaches 1366 MHz for extra headroom. It suits PC builders looking for strong value in the Radeon RX 500 series.

Upgrade context

This card replaces older GPUs that lack the memory bandwidth or API support for current games at high settings. The jump is worth it when moving from a card with 4GB or less VRAM, or from an architecture limited to DirectX 11. The 8GB frame buffer and DirectX 12 capability unlock higher texture quality and modern rendering features. OpenGL 4.5 support also benefits compatible professional workloads.

Build integration

The dual-fan cooler uses a dual ball-bearing design with a quick-connect feature for simple fan maintenance. Outputs include two HDMI ports, two DisplayPort 1.4 connectors and one dual-link DVI-D, driving up to five monitors at a maximum resolution of 3840 x 2160. The card requires a power supply with sufficient PCIe connectors and a case with adequate length clearance for a dual-slot design.

How it compares

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

Price $158.99
Cheaper than about 80% 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.
Boost frequency 1366 MHz
Lower than about 93% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameSAPPHIRE
Product linePULSE
Model name11265-05-20G
Processor
TDP rating300 W
Memory
Type of memoryGDDR5
Display
Highest resolution3840 × 2160
Graphics
Graphics processorRadeon RX 580
Memory capacity8 GB
Boost frequency1366 MHz
Shader units2304
Chipset makerAMD
Graphics seriesAMD Radeon RX 500 Series
Effective memory speed2000 MHz, 8000 MHz Effective
Memory bus width256-Bit
DirectX support12
OpenGL support4.5
Supported displays5
Ports & slots
HDMI ports2 x HDMI
DisplayPort connectors2 x DisplayPort 1.4
DVI ports1 x DL-DVI-D
Dual-link DVI supportYes
Power
Power input connector8-Pin
Size & build
Max graphics card length230 mm
Card size9.06 in × 4.92 in
Slots occupied2 Slots
Shipping weight1.09 kg
Package size284 × 168 × 84 mm
Compatibility
Supported operating systemsWindows 10
Windows 7 ‍👉Check gaming pc with Windows 11 Pro
More details
Cooling solutionDouble Fans

Questions about this item

What clearance does the dual-fan Pulse RX 580 need inside my case?

The card uses a dual-slot, dual-fan cooler that fits a standard ATX bracket; measure your case length and ensure the PCIe power plug has room.

How do I install the card and what step is often missed?

Seat the card in the primary PCIe x16 slot, connect the required 8-pin power cable, then install the AMD Radeon driver package before launching games.

What maintenance will the Quick Connect fans need later?

Unclip the fans periodically to blow out dust; if a fan becomes noisy or stops spinning, detach it and fit a replacement unit.

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