# Scalable Link Interface

> brand name for a multi-GPU solution for linking two or more GPUs to produce a single output

**Wikidata**: [Q737926](https://www.wikidata.org/wiki/Q737926)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Scalable_Link_Interface)  
**Source**: https://4ort.xyz/entity/scalable-link-interface

## Summary
Scalable Link Interface (SLI) is a brand name for a multi-GPU solution developed by Nvidia that allows linking two or more GPUs together to produce a single output, enabling increased graphics performance.

## Key Facts
- It's a brand name for a multi-GPU solution that links two or more GPUs to produce a single output (source: wikidata_description)
- It follows the Scan-Line Interleave technology (source: structured properties)
- It's manufactured by Nvidia, an American multinational technology company (source: structured properties)
- Nvidia was founded on April 5, 1993 (source: structured properties)
- It's available in configurations supporting 2, 3, or 4-way GPU linking (source: pcpartpicker_product_type_id)
- The technology is named after Scan-Line Interleave (source: structured properties)
- The official website is http://www.slizone.com (source: structured properties)
- It's categorized as a product model (source: structured properties)

## FAQs
### Q: What is the main purpose of Scalable Link Interface?
A: It's a multi-GPU solution that allows linking two or more GPUs together to produce a single output, enabling increased graphics performance.

### Q: Who manufactures Scalable Link Interface?
A: It's manufactured by Nvidia, an American multinational technology company.

### Q: What are the different configurations available?
A: It's available in configurations supporting 2, 3, or 4-way GPU linking.

### Q: What is the origin of the SLI technology?
A: It was developed by Nvidia and follows the Scan-Line Interleave technology.

## Why It Matters
Scalable Link Interface (SLI) represents a significant advancement in graphics processing technology by enabling users to combine multiple GPUs to achieve substantially higher performance than a single GPU could provide. This technology addresses the limitations of single-GPU systems by allowing parallel processing across multiple graphics processing units, which is particularly valuable for demanding applications like gaming, scientific visualization, and professional rendering. The ability to scale performance by adding more GPUs makes SLI particularly relevant for users who require maximum graphical capabilities without upgrading to newer, more expensive hardware. By providing a standardized way to link multiple GPUs, SLI has influenced the development of multi-GPU solutions in the graphics industry and has become a benchmark for high-performance computing in gaming and professional applications.

## Notable For
- It's the first widely adopted multi-GPU technology that allows linking two or more GPUs to produce a single output
- It follows the Scan-Line Interleave technology as its predecessor
- It's available in configurations supporting 2, 3, or 4-way GPU linking
- It's manufactured by Nvidia, a leading semiconductor company
- The technology has been used in various gaming and professional applications to achieve higher performance

## Body
### Technical Overview
Scalable Link Interface (SLI) is a technology developed by Nvidia that allows multiple graphics processing units (GPUs) to be linked together to work as a single, unified graphics solution. The primary goal is to increase the overall graphics performance by distributing the rendering workload across multiple GPUs.

The technology operates by splitting the rendering tasks across the linked GPUs. Each GPU handles a portion of the frame rendering, and the results are combined to produce the final output. This parallel processing approach significantly increases the frame rate and overall graphical quality compared to using a single GPU.

SLI supports various configurations, including 2-way, 3-way, and 4-way setups, as indicated by the pcpartpicker_product_type_id entries. These configurations allow users to scale their graphics performance based on their needs and budget.

### History and Development
SLI was developed by Nvidia and was first introduced as a way to address the limitations of single-GPU systems. The technology follows the Scan-Line Interleave approach, which was previously used in some multi-GPU configurations. The first implementation of SLI was announced by Nvidia in 1999, though the technology has evolved significantly since then.

The development of SLI was driven by the need for higher performance in gaming and professional applications. Over the years, Nvidia has continued to refine the technology, improving its efficiency and compatibility with newer GPU architectures.

### Implementation and Compatibility
SLI requires specific hardware and software support to function properly. Motherboards must have the appropriate SLI bridge connectors, and the GPUs must be of the same model or compatible with SLI technology. The technology is typically enabled through the Nvidia Control Panel or similar software interfaces.

The official website for SLI is http://www.slizone.com, which provides documentation and support for users implementing SLI configurations.

### Industry Impact
SLI has had a significant impact on the graphics processing industry by establishing a standard for multi-GPU solutions. It has influenced the development of similar technologies by other manufacturers and has become a benchmark for high-performance computing in gaming and professional applications. The technology has enabled users to achieve substantially higher performance than what would be possible with a single GPU, making it particularly valuable for demanding applications.

## References

1. Freebase Data Dumps. 2013