What is the ruling on intimacy with slave women?

Intercourse with a slave woman is not regarded as zina (adultery)

What is a “right hand servant”? Does the owner of a “right hand servant” have to be married?

He hired a woman to serve him then he agreed with her that she would be his slave

It is not permissible for a master to have intercourse with his married slave woman

The difference between slaves and prostitutes