A prototype of the PowerBook Duo « Escher »

Seen on Reddit, a prototype PowerBook Duo, labeled Escher (the codename for this model).

A PowerBook G3 prototype… with a G4 CPU

Seen on eBay, a PowerBook G3 Pismo DVT. This model has apparently been upgraded with a PowerPC G4 processor.

A prototype Mac Studio SSD

Seen on Twitter, something that doesn’t necessarily look like a prototype: Mac Studio storage modules.

A PowerBook G4 prototype

Seen on eBay, a PowerBook G4 prototype. Well, to be honest, it’s the same one as in April, so it probably wasn’t sold.

A Power Macintosh 9700 prototype, a Mac that was never released

Seen on eBay, a Power Mac 9700 prototype, this time without USB.

A MacBook Pro prototype in an idyllic location

Seen in a series of videos on YouTube, a 2008 17-inch MacBook Pro prototype.

Two old demo iPhones in a video

Seen on Twitter, two demo iPhones in a video. The first is a first-generation iPhone, and the second is an iPhone 3G.

An « Apple Care » iPhone, the model intended for assistance

Seen on Reddit, an iPhone that isn’t a prototype, but also isn’t a regular iPhone. It’s a model intended for Apple Care, which was loaned out in case of issues by the assistance.

Two prototypes of the first iPhone, with a test OS

Seen on YouTube, two prototypes of the first iPhone in video.

A first-generation iPhone prototype with a (very) old version of iOS

Seen on YouTube, a video showcasing a (very) old version of iOS—back when the OS wasn’t even called iOS yet.