RIP, SLI: Nvidia GeForce RTX 30-series slams the final nail in multi-GPU’s coffin

RIP, SLI: Nvidia GeForce RTX 30-series slams the final nail in multi-GPU's coffin

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RIP, SLI: Nvidia GeForce RTX 30-series slams the final nail in multi-GPU’s coffin

Pour one out, enthusiasts. Nvidia’s beastly new GeForce RTX 30-series graphics cards just slammed the final nail into SLI’s coffin. Well, almost.

A glaring fact jumped out at me while I was sifting through Nvidia’s product pages for our GeForce RTX 30-series vs. RTX 20-series spec comparison: Only the monstrous $1,500 GeForce RTX 3090 includes support for NVLink, the proprietary connector that enables SLI mult-GPU configurations. Even the $800 GeForce RTX 3080 lacks it, and Nvidia calls that graphics card the 30-series flagship. (The RTX 3090 is a “BFGPU” above and beyond the rest.) Given that Nvidia controls 80 percent of the graphics card market, it seems clear that the days of slapping multiple graphics cards into your PC to boost frame rates is effectively over.

That said, it’s been effectively over for a while. Nvidia reduced SLI support to just two graphics cards during the GTX 10-series generation four long years ago. Rival AMD phased out CrossFire multi-GPU support for its Radeon GPUs soon after. But even that reduced support has stuttered in recent years, as graphics cards became powerful enough to drive 1440p and 4K displays by their lonesome.

nvidia rtx 3080 jensen Nvidia

The GeForce RTX 3080 lacks SLI connectors.

Making matters worse, multi-GPU support has become increasingly wonky in games themselves over the years. Such setups were always a niche consisting of deep-pocketed enthusiasts, making it hard for developers to justify supporting SLI. SLI also slowly lost its reason for being, first because many games tied physics to frame rates, and inevitably because of the rise of ultra-powerful GPUs. Even if you invested in an SLI setup, it flat-out wouldn’t work in many of today’s games. In the ones that did support it, it didn’t work well—technically implementing it was always a nightmare for devs.

We’ve warned would-be buyers off multi-GPU configurations for years now. Nvidia just sealed the deal.

Well, almost, like I said. The GeForce RTX 3090 still supports it, but that’s because it’s the only card that still needs it to meet its intended use. Nvidia’s pitching this beast as the first-ever 8K-capable graphics card, and that’s with the company’s fantastic DLSS 2.0 technology enabled. Not many games support DLSS yet, and even the ones that do could still use more help to hit smooth frame rates at such a ludicrous resolution. If you thought pushing pixels at 4K resolution was rough, check out these Nvidia performance metrics at 8K:

8k gaming geforce rtx 3090 Nvidia

An Nvidia-supplied chart showing the GeForce RTX 3090’s performance at 8K resolution

So yeah, SLI isn’t technically dead, but it’s effectively dead for all but the top 0.1 percent of us. If you’ve got $3,000 to drop on a pair of RTX 3090s, by all means feel free to lord it over your geeky pals. Just don’t expect developers to spend much time making sure it works great in your games. 

Farewell, SLI. We hardly knew ye.

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Written by ATN

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