NOTES:
At this time, 5 Version 4s remain in active service. 2 Version 2s, 2 Version 3s and 4 Version 4s are in reserve fleets. 1 of each Version 1, 2 and 3 have been destroyed. 1 Version 4 is listed as missing. 2 Version 2s and 4 Version 3s have been traded. 1 Version 3 has been sold.
| Construction Data: | ||||
| Model Number — | Version 1 | Version 2 | Version 3 | Version 4 |
| Ship Class — | XI | XI | XI | XI |
| Date Entering Service — | 2252 | 2259 | 2286 | 2333 |
| Number Constructed — | 12 | 7 | 5 | Refit |
| Hull Data: | ||||
| Superstructure Points — | 28 | 28 | 35 | 35 |
| Damage Chart — | C | C | C | C |
| Size: | ||||
| Length — | 424 m | 424 m | 424 m | 424 m |
| Width — | 158 m | 158 m | 158 m | 158 m |
| Height — | 157 m | 157 m | 157 m | 157 m |
| Weight — | 160,571 mt | 163,380 mt | 178,813 mt | 179,857 mt |
| Cargo: | ||||
| Cargo Units — | 150 SCU | 160 SCU | 160 SCU | 160 SCU |
| Cargo Capacity — | 7,500 mt | 8,000 mt | 8,000 mt | 8,000 mt |
| Landing Capacity — | None | None | None | None |
| Equipment Date: | ||||
| Control Computer Type — | VMC-9 | VMC-10 | VMC-13 | VMC-13 |
| Transporters: | ||||
| Standard 6-person — | 3 | 3 | 3 | 3 |
| Emergency 12-person — | 7 | 7 | 7 | 7 |
| Cargo — | 2 | 2 | 2 | 2 |
| Other Data: | ||||
| Crew — | 301 | 312 | 322 | 338 |
| Passengers — | 20 | 20 | 20 | 20 |
| Shuttlecraft — | 10 | 10 | 10 | 10 |
| Engines And Power Data: | ||||
| Total Power Units Available — | 46 | 52 | 60 | 64 |
| Movement Point Ratio — | 4/1 | 4/1 | 4/1 | 4/1 |
| Warp Engine Type — | VWG-1 | VWG-1 | VWG-1 | VWG-1 |
| Number — | 2 | 2 | 2 | 2 |
| Power Units Available — | 20 ea. | 20 ea. | 20 ea. | 20 ea. |
| Stress Charts — | E/F | E/F | E/F | E/F |
| Max Safe Cruising Speed — | Warp 7 | Warp 7 | Warp 7 | Warp 7 |
| Emergency Speed — | Warp 9 | Warp 9 | Warp 9 | Warp 9 |
| Impulse Engine Type — | VIE-2 | VIE-4 | VIF-4 | VIG-3 |
| Power Units Available — | 6 | 12 | 20 | 24 |
| Weapons And Firing Data: | ||||
| Beam Weapon Type — | VH-2 | VH-6 | VH-13 | VH-16 |
| Number — | 6 | 6 | 6 | 6 |
| Firing Arcs — | 2 f/p, 2 f/s, 2 p/f/s | 2 f/p, 2 f/s, 2 p/f/s | 2 f/p, 2 f/s, 2 p/f/s | 2 f/p, 2 f/s, 2 p/f/s |
| Firing Chart — | G | U | W | U |
| Maximum Power — | 3 | 5 | 6 | 14 |
| Damage Modifiers: | ||||
| +3 | (1-6) | (1-5) | (1-12) | (1-7) |
| +2 | (7-8) | (6-15) | (13-17) | (8-14) |
| +1 | (9-10) | (16-20) | (18-20) | (15-20) |
| Beam Weapon Type — | VH-4 | VH-5 | VH-6 | VH-12 |
| Number — | 2 | 4 | 4 | 4 |
| Firing Arcs — | 1 f/p/a, 1 f/s/a | 2 f/p/a, 2 f/s/a | 2 f/p/a, 2 f/s/a | 2 f/p/a, 2 f/s/a |
| Firing Chart — | L | Q | U | Y |
| Maximum Power — | 4 | 5 | 5 | 3 |
| Damage Modifiers: | ||||
| +3 | (1-6) | (1-6) | (1-5) | (1-20) |
| +2 | (7-8) | (7-12) | (6-15) | (21-22) |
| +1 | (9-12) | (13-14) | (16-20) | (23-24) |
| Torpedo Weapon Type — | VP-2 | VP-4 | VP-9 | VP-11 |
| Number — | 1 | 1 | 1 | 1 |
| Firing Arcs — | 1 f | 1 f | 1 f | 1 f |
| Firing Chart — | Q | R | R | Q |
| Power to Arm — | 1 | 1 | 1 | 1 |
| Damage — | 8 | 12 | 20 | 34 |
| Shield Data: | ||||
| Deflector Shield Type — | VSC | VSI | VSQ | VSQ |
| Shield Point Ratio — | 1/3 | 1/3 | 1/4 | 1/4 |
| Maximum Shield Power — | 10 | 14 | 20 | 20 |
| Combat Efficiency: | ||||
| D — | 103 | 113.5 | 162.1 | 168.1 |
| WDF — | 18.9 | 51.7 | 70.3 | 103.8 |