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Sapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC with Backplate (UEFI) PCI-E Graphics Card Graphic Cards
Sapphire

Sapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC

Bottom line: The Sapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/: 8GB GDDR5 on a 256-bit bus — headroom for 1080p texture settings; main trade-off: under 225W board power means a real PSU, not a bundled unit.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 8GB GDDR5 on a 256-bit bus — headroom for 1080p texture settings
  • ✓ Five display outputs: 2x HDMI, 2x DisplayPort, 1x DVI-D
  • ✓ 1366 MHz boost clock out of the box, no manual OC needed
  • ✓ Dual-fan Pulse cooler plus a backplate that resists PCB sag

Cons

  • ✗ Under 225W board power means a real PSU, not a bundled unit
  • ✗ Polaris-era GDDR5, not the GDDR6 on newer mid-range cards
  • ✗ Sapphire lists only Windows 10 and 7 — no stated Linux support
  • ✗ Dual-slot dual-fan shroud is a tight fit in small-form-factor cases

Manufacturer description

2 x HDMI; 1 x DVI-D; 2 x DP 256-bit memory bus; Power consumption: <225 watt Cooling technology: Dual fan. OS-windows 10,7

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SpecPicks Verdict

SpecPicks scored Sapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro graphics cards category. Sapphire's retro graphics cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How much VRAM does the Sapphire Pulse RX 580 have?

8GB of GDDR5 on a 256-bit memory bus, which is the larger of the two RX 580 memory configurations.

What monitors can I connect to it at once?

It has five outputs: two HDMI, two DisplayPort, and one DVI-D, so you can run a multi-monitor setup and still drive an older DVI panel directly.

What power supply do I need?

Sapphire rates power consumption at under 225 watts for the card. Check the product listing for the exact PCIe power connector requirement before buying.

Does it work with Windows 7?

Yes. Sapphire lists both Windows 10 and Windows 7 support, which is unusual for graphics cards and useful for legacy or period-correct builds.

Key Features

  • 2 x HDMI; 1 x DVI-D; 2 x DP
  • 256-bit memory bus; Power consumption: <225 watt
  • Cooling technology: Dual fan. OS-windows 10,7
  • Boost clock: 1366 MHz
  • High-polymer, aluminum capacitors offering outstanding reliability

Full Specifications

BrandSapphire
Model11265-05-20G
Warranty2-year limited warranty
UnitCount0
ReleaseDate2017-04-18T00:00:01Z
ManufacturerAlthon Micro Inc.
ItemPartNumber11265-05-20G
Full listing titleSapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC with Backplate (UEFI) PCI-E Graphics Card Graphic Cards

Ready to buy?

Sapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC with Backplate (UEFI) PCI-E Graphics Card Graphic Cards is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Sapphire Radeon 11265-05-20G Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC with Backplate (UEFI) PCI-E Graphics Card Graphic Cards
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