The worst gaming GPU in your drawer might be your best home server upgrade
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Old gaming GPUs collecting dust can find a second life in home server builds. They excel at hardware-accelerated media transcoding via NVENC or AMD VCE for Plex/Jellyfin, dramatically reducing CPU load. They also enable GPU passthrough in virtualization environments like Proxmox, and can power local AI inference. Limitations include inconsistent AMD open-source driver support on older cards, NVIDIA version-compatibility issues, and IOMMU requirements for passthrough. Since these cards have little resale value and cost nothing to repurpose, the upgrade is essentially free.
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Transcoding is where local GPUs can be most usefulGPU passthrough is where things get really excitingOld GPUs do have their limitationsIt's not doing anything laying dormantSort: