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Dual-GPU graphics card with black shroud, two DVI and one Mini DisplayPort outputs, twin axial fans, 6-pin and 8-pin power connectors

Sapphire Tech

Sapphire Tech Radeon HD 5970 100280SR graphics card

SKU CH-W7F2-3TK9V

Dual-GPU card with 3200 stream processors and 2GB GDDR5 memory on a 512-bit interface, supporting DirectX 11 and Eyefinity across two DVI and one Mini DisplayPort outputs

  • InterfacePCI Express 2.1 x16
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon HD 5000 series
  • GPURadeon HD 5970 (Hemlock)
  • Stream Processors3200
  • Memory Size2GB
  • 3200 stream processors deliver massive parallel compute power
  • 2 GB GDDR5 on a 512-bit interface provides high memory bandwidth
  • Eyefinity support drives up to three monitors from one card
  • DirectX 11 enables modern graphics features and tessellation
  • PCI Express 2.1 x16 offers broad motherboard compatibility

Dual-GPU Hemlock architecture

The Sapphire Tech Radeon HD 5970 100280SR combines two AMD Radeon GPUs on a single PCI Express 2.1 x16 board. It delivers 3200 stream processors and 2GB of GDDR5 memory across a 512-bit interface. The card targets enthusiasts who need maximum parallel throughput for DirectX 11 titles and multi-display Eyefinity setups.

Reference dual-slot cooler with two external power

A shrouded fan assembly exhausts heat toward the rear I/O bracket. The design draws up to 75W from a 6-pin connector and 150W from an 8-pin connector, so a 650W supply is the minimum for single-card operation. CrossFireX dual mode raises the recommendation to 850W with two 6-pin and two 8-pin connectors.

Compact dual-slot bracket with Mini DisplayPort

The metal bracket occupies two expansion slots and carries one Mini DisplayPort plus two DVI outputs, supporting resolutions up to 2560 x 1600. Eyefinity can drive three monitors from this single card. CrossFireX bridge fingers sit on the top edge for linking a second 5970 when the power budget allows.

Highlights

  • 3200 stream processors deliver massive parallel compute power
  • 2 GB GDDR5 on a 512-bit interface provides high memory bandwidth
  • Eyefinity support drives up to three monitors from one card
  • DirectX 11 enables modern graphics features and tessellation
  • PCI Express 2.1 x16 offers broad motherboard compatibility

Specifications

BrandSAPPHIRE
Model100280SR
InterfacePCI Express 2.1 x16
Chipset ManufacturerAMD
GPU SeriesAMD Radeon HD 5000 series
GPURadeon HD 5970 (Hemlock)
Stream Processors3200
Memory Size2GB
Memory Interface512 (256 x 2)-Bit
Memory TypeGDDR5
DirectXDirectX 11
DisplayPort1 x Mini DisplayPort
DVI2 x DVI
TunerNone
Max Resolution2560 x 1600
Eyefinity SupportYes
CrossFireX SupportYes
CoolerWith Fan
System Requirements650 Watt or greater power supply one 75W 6-pin and one 150W 8-pin PCI Express power connectors recommended (850 Watt with two 75W 6-pin and two 150W 8-pin connectors for ATI CrossFireX technology in dual mode)
Power Connector1 x 6-Pin + 1 x 8-Pin
Dual-Link DVI SupportedYes
HDCP ReadyYes

Questions about this item

How do I install the Sapphire 100280SR and which power cables are required?

Seat the card in a PCI Express 2.1 x16 slot and connect both the 6-pin and 8-pin PCIe power connectors from a 650 W or larger supply; the 8-pin must deliver 150 W and the 6-pin 75 W, so do not use adapters or splitters.

What maintenance will the dual-GPU cooler need over time?

The dual-fan shroud pulls air across both 5970 GPUs; every few months remove the card and blow compressed air through the heatsink fins to stop dust build-up raising core temperatures.

What thermal or power limit appears first during extended heavy load?

With a 3200 stream-processor design drawing up to 150 W through the 8-pin and 75 W through the 6-pin, the power connectors and VRM cooling reach their ceiling before the GDDR5 memory does.

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