The USB drive's random read speed. Running nanoCAD Portable on a cheap USB 2.0 drive (40 MB/s) will feel sluggish. To get the "New" experience, you need a modern NVMe SSD in an enclosure or a high-end SanDisk Extreme flash drive.
: A technical update in April 2026 focused on stability, improving reliability when working with external references (Xrefs), blocks, and large text sets. Localized Command Aliases nanocad portable new
If you strictly require a portable solution without local installation: The USB drive's random read speed