NOTES:
7 Version 4s are still in active service. 6 Version 3s and 10 Version 4s are in reserve fleets. 1 Version 2 and 1 version 3 have been destroyed. 4 Version 3s and 3 Version 4s have been traded. 3 Version 2s, 1 Version 3 and 2 Version 4s have been sold.
| Construction Data: | ||||
| Model Number — | Version 1 | Version 2 | Version 3 | Version 4 |
| Ship Class — | IX | IX | IX | IX |
| Date Entering Service — | 2250 | 2259 | 2281 | 2362 |
| Number Constructed — | 20 | 14 | 4 | Refit |
| Hull Data: | ||||
| Superstructure Points — | 30 | 30 | 30 | 30 |
| Damage Chart — | C | C | C | C |
| Size: | ||||
| Length — | 461 m | 461 m | 461 m | 461 m |
| Width — | 362 m | 362 m | 362 m | 362 m |
| Height — | 246 m | 246 m | 246 m | 246 m |
| Weight — | 135,240 mt | 133,664 mt | 138,588 mt | 139,283 mt |
| Cargo: | ||||
| Cargo Units — | 120 SCU | 120 SCU | 120 SCU | 120 SCU |
| Cargo Capacity — | 6,000 mt | 6,000 mt | 6,000 mt | 6,000 mt |
| Landing Capacity — | None | None | None | None |
| Equipment Date: | ||||
| Control Computer Type — | VMC-8 | VMC-9 | VMC-12 | VMC-14 |
| Transporters: | ||||
| Standard 6-person — | 2 | 2 | 2 | 2 |
| Emergency 12-person — | 2 | 2 | 2 | 2 |
| Cargo — | 2 | 2 | 2 | 2 |
| Other Data: | ||||
| Crew — | 226 | 231 | 244 | 263 |
| Passengers — | 12 | 12 | 12 | 12 |
| Shuttlecraft — | 8 | 8 | 8 | 8 |
| Engines And Power Data: | ||||
| Total Power Units Available — | 38 | 54 | 57 | 66 |
| Movement Point Ratio — | 4/1 | 4/1 | 4/1 | 4/1 |
| Warp Engine Type — | VWD-1 | VWF-2 | VWF-2 | VWJ-2 |
| Number — | 2 | 2 | 2 | 2 |
| Power Units Available — | 16 ea. | 21 ea. | 21 ea. | 25 ea. |
| Stress Charts — | F/G | F/G | F/G | C/D |
| Max Safe Cruising Speed — | Warp 6 | Warp 7 | Warp 7 | Warp 8 |
| Emergency Speed — | Warp 7 | Warp 8 | Warp 8 | Warp 10 |
| Impulse Engine Type — | VIE-2 | VIE-4 | VIF-2 | VIG-1 |
| Power Units Available — | 6 | 12 | 15 | 16 |
| Weapons And Firing Data: | ||||
| Beam Weapon Type — | VH-2 | VH-6 | VH-10 | VH-16 |
| Number — | 5 | 5 | 5 | 5 |
| Firing Arcs — | 1 f, 2 f/p/a, 2 f/s/a | 1 f, 2 f/p/a, 2 f/s/a | 1 f, 2 f/p/a, 2 f/s/a | 1 f, 2 f/p/a, 2 f/s/a |
| Firing Chart — | G | U | V | U |
| Maximum Power — | 3 | 5 | 7 | 14 |
| Damage Modifiers: | ||||
| +3 | (1-6) | (1-5) | (1-8) | (1-7) |
| +2 | (7-8) | (6-15) | (9-18) | (8-14) |
| +1 | (9-10) | (16-20) | (19-21) | (15-20) |
| Torpedo Weapon Type — | VP-1 | VP-5 | VP-9 | VP-13 |
| Number — | 1 | 1 | 1 | 1 |
| Firing Arcs — | 1 f | 1 f | 1 f | 1 f |
| Firing Chart — | Q | R | R | S |
| Power to Arm — | 1 | 1 | 1 | 1 |
| Damage — | 6 | 14 | 20 | 36 |
| Shield Data: | ||||
| Deflector Shield Type — | VSB | VSF | VSO | VSS |
| Shield Point Ratio — | 1/2 | 1/3 | 1/3 | 1/4 |
| Maximum Shield Power — | 9 | 13 | 21 | 33 |
| Combat Efficiency: | ||||
| D — | 82.9 | 117.9 | 132.9 | 184.9 |
| WDF — | 10.7 | 31.8 | 44.4 | 76.5 |