Buyer rule
Start with the CAD application path
Start with Rhino version, operating system, OpenGL support, VRAM target, model size, Grasshopper workload, RAM, monitor layout, 3D mouse, and storage.

Rhino 3D CAD workstation
Rhino buyers should plan around OpenGL support, video memory, model navigation, RAM, storage, input devices, and display space. A smoother viewport depends on more than the graphics card label.
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Buyer rule
Start with Rhino version, operating system, OpenGL support, VRAM target, model size, Grasshopper workload, RAM, monitor layout, 3D mouse, and storage.
Risk
The common mistake is underbuying graphics support, input gear, and display space for a modeling workflow that spends all day in viewports.
Amazon CAD lanes
Use these lanes after the CAD application, version, graphics support path, GPU memory, RAM target, storage, monitor layout, input gear, power plan, and backup route are specific. Amazon has the live listing details, seller terms, shipping, returns, and exact product specifications.
System lane for 3D modeling, Grasshopper, viewport navigation, rendering prep, and review.
GPU lane for buyers checking viewport support, video memory, drivers, and workstation fit.
Memory lane for larger models, Grasshopper, references, browser docs, and multitasking.
Display lane for viewports, Grasshopper graphs, references, render previews, and review calls.
Input lane for model orbiting, viewport control, comfort, and longer CAD sessions.
Storage lane for models, textures, references, exports, renders, and project archives.