this list of macintosh models by case type contains all case designs used by apple inc. for its macintosh computers. the list is sectioned by general case layout, but inside the sections the order is chronological. models that used multiple names (like most performas) are listed only once. where available, the "form factor" from apple's datasheets has been used to determine the case designation and the computers that used it. for all-in-one models and notebooks that have the same basic case design, but differ in size, just one type is listed. also, some models that differ only slightly or internally are listed together, like the two imac g3s and the power mac g4s.