Mac OS on PC is a new solution.

A new product has appeared on the market that allows you to install Mac OS X from an original disk on an ordinary PC without additional problems in the form of kernel patching.
What is it?

Description from the developer site

The EFi-X ™ USB device is the only and final solution for anyone who wants to install Mac OS X on a PC. It is a bridge over the abyss between the worlds of personal and Mac computers. This is a unique opportunity to install and work in the original Mac OS X unmodified operating system right on your PC.

Opportunities:

• Internal USB 10-1 pin connector (with extension)
• EFi-X ™ online firmware update
• Interactive system boot manager
• Installing Mac OS X Leopard from the original installation DVD
• Updating the system from the official Apple® Updates website
• ESD and EMI protection (with proper grounding)

As far as I understand, this is the USB key from which the system is booted, and emulates the original EFI.
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If this is all true, then now hackintosh users and people who have long wanted Mac OS, but considered the original expensive and hakintosh difficult, presented a great chance to put this system.

Oh yes. Only Intel-based computers are supported.

UPD. Contacted a Russian reseller. The first batch will arrive in a month at an estimated price of 5,100 rubles.

Offsite
EFI-X Version List
Hardware Compatibility List