This page contains information regarding Star Trek: Discovery, and thus may contain spoilers.
These ships were equipped with phasers more advanced than that of the USS Discovery. These older ships were not like other raiders seen by Michael Burnham and Cleveland Booker, as they were overcrowded and straining beyond their means. One of the ships was commanded by Wen in 3189. (DIS: "People of Earth")
In Star Trek Online, this class of ship is called the Jovian-class.