FitMyPCOpen checker
Exact GPU / case compatibility

Does Gigabyte GeForce RTX 5090 WINDFORCE OC fit in Antec FLUX Pro?

Likely fits. Likely fits in the default no-front-radiator check. Length margin 113mm, side/cable margin 19mm and thickness margin 30mm.

This page checks the exact GPU against the selected case with no front radiator installed. Use the interactive calculator to add your cooling hardware.

Compatibility calculation

CheckAvailableRequiredResultData confidence
GPU length455mm case limit342mm GPUPASS · 113mmManufacturer verified
Height + power cable205mm case envelope186mm (150+36)PASS · 19mmFitMyPC estimate
GPU thickness95mm case envelope65mm GPUPASS · 30mmFitMyPC estimate
Some case clearance fields used by this result are estimates, so treat a pass as a likely fit rather than a manufacturer guarantee. A front radiator can reduce available GPU length and change this answer.

Gigabyte GeForce RTX 5090 WINDFORCE OC manufacturer data

Dimensions stored by FitMyPC: 342 × 150 × 65mm. Power connector: 12V-2x6 / 16-pin.

Manufacturer source checked

Verified fields: length, height, thickness, connector

GIGABYTE publishes 342×150×65mm and one 16-pin connector.

Official manufacturer source ↗

Checked 2026-08-29

Antec FLUX Pro manufacturer data

GPU length limit stored by FitMyPC: 455mm. Side-panel and thickness envelopes are displayed separately because manufacturers do not publish these consistently.

Manufacturer source checked

Verified fields: maxGpuLength, radiatorSupport.front, radiatorSupport.top

Antec specifies up to 455mm GPU length and up to 420mm radiators at both front and top.

Official manufacturer source ↗

Checked 2026-08-29

What can change the result?

Front radiator/fan thickness, vertical mounting, drive cages, brackets, connector orientation, motherboard layout and product revisions can affect real-world fit.