Buyer rule
Start with the design workflow
Start with renderer support, CUDA or RTX path, VRAM needs, power supply, case airflow, RAM, NVMe scratch storage, and room cooling.

V-Ray GPU render workstation
GPU rendering purchases should be tied to the renderer requirements, driver path, scene VRAM needs, power, cooling, and storage. A fast GPU is only useful when the whole workstation can support sustained render sessions.
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Buyer rule
Start with renderer support, CUDA or RTX path, VRAM needs, power supply, case airflow, RAM, NVMe scratch storage, and room cooling.
Risk
The common mistake is adding a high-end GPU without checking renderer support, VRAM fit, PSU headroom, case airflow, driver requirements, and heat output.
Amazon architecture lanes
Use these lanes after the BIM, rendering, display, storage, and power path is specific. Amazon has the live listing details, seller terms, shipping, returns, and exact product specifications.
System lane for GPU rendering, architecture stills, previews, and animation work.
Case lane for large cards, airflow, power cables, and service access.
Power lane for sustained rendering, GPU headroom, and clean cabling.
Scratch lane for scenes, textures, cache files, proxies, and exports.
Memory lane for large scenes, texture-heavy files, and multitasking.
Thermal lane for moving heat away during long render sessions.