Ship specs

Type
Explorer / Heavy Cruiser - uprated
Unit Run
NCC 76295 USS Challenger
NCC 79881 USS Independence
NCC 82479 USS Noralus

plus 14 others. The uprated Galaxy-class has proven to be a well built ship class, and all surviving Galaxy class ships have been upgraded to this design. 14 vessels exist of this type, 5 from upgrades and 9 from construction. Also, 5 have been lost in the last year.

Commissioned
2371, class remains in service
Dimensions
Length : 641 m
Beam : 470 m
Height : 145 m
Decks : 42
Mass
5,125,000 metric tons
Crew
1000, 15,000 evacuation limit
Armament
14 x Type XII phaser arrays, total output 80,000 TeraWatts
1 x Rapid fire quantum torpedo tube + 100 Quantum Torpedoes
2 x Pulse fire torpedo tube + 200 torpedoes
NOTE: The forward facing tube operates the Quantum tube and a burst fire tube.
Saucer Drive:
1 x Standard Torpedo Tube (Aft Facing, hidden while docked)
Defence Systems
Standard shield system, total capacity 5,105,500 TeraJoules
Standard Duranium/Tritanium Double hull plus 18 cm Ablative armour.
Standard level Structural Integrity Field
Warp Speeds
Normal Cruise : Warp Factor 6
Maximum Cruise : Warp Factor 9.2
Maximum Rated : Warp Factor 9.9 for twelve hours
Strength Indices
(Basic Galaxy class = 1,000)
Beam Firepower : 1600
Torpedo Firepower : 1800
Weapon Range and Accuracy : 1500
Shield Strength : 1890
Hull Armour : 2800
Speed : 1600
Combat Manoeuvrability : 1,200
Overall Strength Index
1,780
Diplomatic Capability
Grade 7
Expected Hull Life
100 years
Refit Cycle
Minor : 2 year 
Standard : 5 years 
Major : 20 years
Thanks to ditl.org for the basis of these modified statistics!