Nike-class:
Mass: 1.1 million tons
Dimension: 1.582 X 386 X 375 m
Weapons:
2 BigMAC Cannon
10 SmallMAC Cannons on sides
8 Quad Plasma Heavy Cannons
12 Dual Plasma Heavy Cannons
62 Dual Plasma Cannons
12 Disruptor Heavy Cannons
28 Disruptor Cannons
120 Point Defence Guns
32 Hellfire Missile Tubes
20 Rapier Torpedo Tubes
128 Pelicans
32 Star Furies
16 Interceptors
16 Berserkers
Personnel: 782 crew + 2.560 Marines + 360 ODST + 384 Pilots = 3.726

Atlas-class:
Mass: 785.000 tons
Dimension: 1.382 X 126 X 234 m
Weapons:
2 BigMAC Cannon
8 SmallMAC Cannons on sides
16 Quad Plasma Heavy Cannons
74 Dual Plasma Cannons
8 Disruptor Heavy Cannons
28 Disruptor Cannons
124 Point Defence Guns
18 Hellfire Missile Tubes
32 Rapier Torpedo Tubes
32 Pelicans
32 Star Furies
16 Interceptors
Personnel: 772 crew + 640 Marines + 240 ODST+ 128 Pilots = 1.540 

Bellator-class:
Mass: 985.000 tons
Dimension: 1.448 X 250 X 228 m
Weapons:
2 BigMAC Cannon
8 SmallMAC Cannons on sides
18 Quad Plasma Heavy Cannons
18 Dual Plasma Heavy Cannons
56 Dual Plasma Cannons
14 Disruptor Heavy Cannons
42 Disruptor Cannons
114 Point Defence Guns
18 Hellfire Missile Tubes
18 Rapier Torpedo Tubes
32 Pelicans
32 Star Furies
16 Interceptors
Personnel: 894 crew + 640 Marines + 240 ODST + 128 Pilots = 1.662