From Halopedia, the Halo wiki
Manufacturer:
Covenant
Class:
CCS-class Battlecruiser
Role:
Battlecruiser
Length:
1,782.2 metres (5,847 ft)
Width:
861.7 metres (2,827 ft)
Height:
230.8 metres (757 ft)
Powerplant:
Pinch fusion reactors
Engine:
Repulsor engines
Slipspace drive:
Ophon-pattern Borer
Armament:
Affiliation:
The Purveyor of Serenity is a CCS-class battlecruiser. At some point, an Ophon-pattern slipspace drive was recovered from the vessel.[1]