вроде как минимум 15Mp или превью жипег такого же размера, это если вы за вектор говорите
Option 1: Standalone vector file
AI, EPS and SVG formats only
Artboard size: minimum 15MP, maximum 68MP
File size maximum: 45MB
Option 2: ZIP folder
AI and EPS formats only
Each vector file must be placed in a ZIP folder along with a JPEG preview
JPEG preview minimum resolution: 5,000 pixels x 3,000 pixels or 15MP
File size maximum: 45MB