NOTES:
16 Version 5s are currently in active service, with 3 Version 2s, 3 Version 3s, 1 Version 4 and 3 Version 5s in reserve fleets. 1 Version 3, 3 Version 4s and 1 Version 5 have been destroyed. 2 Version 5s have been scrapped. 1 Version 4 and 2 Version 5s have been traded. 1 Version 3, 1 Version 4 and 1 Version 5 have been sold.
| Construction Data: | |||||
| Model Number — | Version 1 | Version 2 | Version 3 | Version 4 | Version 5 |
| Ship Class — | IX | IX | IX | IX | IX |
| Date Entering Service — | 2246 | 2254 | 2270 | 2281 | 2333 |
| Number Constructed — | 13 | 6 | 9 | 11 | Refit |
| Hull Data: | |||||
| Superstructure Points — | 28 | 26 | 26 | 28 | 31 |
| Damage Chart — | C | C | C | C | C |
| Size: | |||||
| Length — | 441 m | 441 m | 441 m | 441 m | 441 m |
| Width — | 437 m | 437 m | 437 m | 437 m | 437 m |
| Height — | 207 m | 207 m | 207 m | 207 m | 207 m |
| Weight — | 123,850 mt | 126,431 mt | 129,196 mt | 133,561 mt | 139,741 mt |
| Cargo: | |||||
| Cargo Units — | 120 SCU | 120 SCU | 120 SCU | 120 SCU | 120 SCU |
| Cargo Capacity — | 6,000 mt | 6,000 mt | 6,000 mt | 6,000 mt | 6,000 mt |
| Landing Capacity — | None | None | None | None | None |
| Equipment Date: | |||||
| Control Computer Type — | VMC-8 | VMC-11 | VMC-12 | VMC-13 | VMC-13 |
| Transporters: | |||||
| Standard 6-person — | 2 | 2 | 2 | 2 | 2 |
| Emergency 12-person — | 5 | 6 | 6 | 6 | 6 |
| Cargo — | 2 | 2 | 2 | 2 | 2 |
| Other Data: | |||||
| Crew — | 226 | 230 | 238 | 249 | 263 |
| Passengers — | 16 | 16 | 16 | 16 | 16 |
| Shuttlecraft — | 8 | 8 | 8 | 8 | 8 |
| Engines And Power Data: | |||||
| Total Power Units Available — | 34 | 55 | 56 | 56 | 56 |
| Movement Point Ratio — | 3/1 | 3/1 | 3/1 | 3/1 | 3/1 |
| Warp Engine Type — | VWC-1 | VWC-2 | VWC-2 | VWC-2 | VWC-2 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Power Units Available — | 14 ea. | 20 ea. | 20 ea. | 20 ea. | 20 ea. |
| Stress Charts — | E/G | E/G | E/G | E/G | E/G |
| Max Safe Cruising Speed — | Warp 6 | Warp 6 | Warp 6 | Warp 6 | Warp 6 |
| Emergency Speed — | Warp 7 | Warp 7 | Warp 7 | Warp 7 | Warp 7 |
| Impulse Engine Type — | VIC-4 | VIF-2 | VIG-1 | VIG-1 | VIG-1 |
| Power Units Available — | 6 | 15 | 16 | 16 | 16 |
| Weapons And Firing Data: | |||||
| Beam Weapon Type — | VH-3 | VH-6 | VH-8 | VH-8 | VH-16 |
| Number — | 4 | 6 | 6 | 6 | 6 |
| Firing Arcs — | 2 f, 1 f/p/a, 1 f/s/a | 2 f, 2 f/p/a, 2 f/s/a | 2 f, 2 f/p/a, 2 f/s/a | 2 f, 2 f/p/a, 2 f/s/a | 2 f, 2 f/p/a, 2 f/s/a |
| Firing Chart — | I | U | Y | Y | U |
| Maximum Power — | 2 | 5 | 4 | 4 | 14 |
| Damage Modifiers: | |||||
| +3 | (1-7) | (1-5) | (1-15) | (1-15) | (1-7) |
| +2 | (8-9) | (6-15) | (16-22) | (16-22) | (8-14) |
| +1 | (10-12) | (16-20) | (23-24) | (23-24) | (15-20) |
| Beam Weapon Type — | VH-1 | VH-3 | VH-6 | VH-12 | VH-12 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Firing Arcs — | 1 f/p/a, 1 f/s/a | 1 f/p/a, 1 f/s/a | 1 f/p/a, 1 f/s/a | 1 f/p/a, 1 f/s/a | 1 f/p/a, 1 f/s/a |
| Firing Chart — | G | I | U | Y | Y |
| Maximum Power — | 2 | 2 | 5 | 3 | 3 |
| Damage Modifiers: | |||||
| +3 | (1-4) | (1-7) | (1-5) | (1-20) | (1-20) |
| +2 | (5-8) | (8-9) | (6-15) | (21-22) | (21-22) |
| +1 | (9-10) | (10-12) | (16-20) | (23-24) | (23-24) |
| Torpedo Weapon Type — | VP-1 | VP-4 | VP-5 | VP-9 | VP-9 |
| Number — | 1 | 1 | 1 | 2 | 2 |
| Firing Arcs — | 1 f | 1 f | 1 f | 2 f | 2 f |
| Firing Chart — | Q | R | R | R | R |
| Power to Arm — | 1 | 1 | 1 | 1 | 1 |
| Damage — | 6 | 12 | 14 | 20 | 20 |
| Shield Data: | |||||
| Deflector Shield Type — | VSC | VSF | VSL | VSN | VSN |
| Shield Point Ratio — | 1/3 | 1/3 | 1/3 | 1/4 | 1/4 |
| Maximum Shield Power — | 11 | 13 | 14 | 16 | 16 |
| Combat Efficiency: | |||||
| D — | 104.5 | 133.2 | 136.2 | 168.0 | 172.3 |
| WDF — | 11.8 | 38.5 | 52.5 | 68.8 | 98.8 |