From Lexicanum

The Terminus Ultra pattern of the Land Raider is the ultimate Space Marine anti-armour vehicle. It is equipped with three twin linked lascannons and two individual lascannons. The amount of energy these weapons require means the Terminus must forego the ability to carry troops in order to power them. The Terminus pattern is deployed almost exclusively to counter enemy super heaviers where it's immense firepower can be used to destroy all but the largest and most powerful war engines the Space Marines may encounter.

Sources

• Space Marines Apocalypse Datasheet - Terminus Ultra Land Raider.pdf

Space Marine Vehicles

Rhino Chassis	Rhino • Damocles Command Rhino • Razorback • Vindicator • Whirlwind • Predator Annihilator • Predator Destructor • Baal Predator • Sabre Tank Hunter
Land Raider Chassis	Land Raider • Land Raider Crusader • Land Raider Redeemer • Land Raider Helios • Land Raider Prometheus • Land Raider Ares • Land Raider Terminus Ultra • Hellfire Land Raider • Land Raider Spartan
Dreadnought Chassis	Dreadnought • Furioso Pattern • Mortis Pattern • Ironclad Dreadnought • Siege Dreadnought • Venerable Dreadnought • Grey Knights Dreadnought
Land Speeder Chassis	Land Speeder • Land Speeder Tornado • Land Speeder Typhoon • Land Speeder Tempest • Land Speeder Storm