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Tom’s Guide
Tom’s Guide
Technology
Tony Polanco

I just saw the most extreme RTX 5090 GPU at CES — and it definitely won’t fit inside my PC

GeForce RTX 5090 Lighting Z.

The MSI GeForce RTX 5090 32GB Lightning Z might be one of the most extreme GPUs ever released. Unveiled during CES 2026, this graphics card features several “world firsts,” including an 8-inch GPU display, power output beyond 1000W for extreme overclocking, and a full copper, full-cover cold plate to maximize cooling. This card is so power hungry that MSI recommends a 1600W+ power supply. That, my friends, is absolutely insane!

I wasn’t able to independently benchmark the Lighting Z when I met with MSI during CES, but MSI’s internal benchmarks claim some bold numbers. That includes a score of 513,272 on the Geekbench 6 CPU benchmark and 139,907 on the Wildlife Extreme 3D Mark graphics benchmark. Truly staggering stuff!

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