| Construction Data: | ||
| Model Number — | Mk I | Mk II |
| Ship Class — | IX | IX |
| Date Entering Service — | 2255 | 2261 |
| Number Constructed — | 7 | 3 |
| Hull Data: | ||
| Superstructure Points — | 30 | 30 |
| Damage Chart — | C | C |
| Size: | ||
| Length — | 219.4 m | 219.4 m |
| Width — | 107.7 m | 107.7 m |
| Height — | 63.5 m | 63.5 m |
| Weight — | 133,620 mt | 132,875 mt |
| Cargo: | ||
| Cargo Units — | 150 SCU | 150 SCU |
| Cargo Capacity — | 7,500 mt | 7,500 mt |
| Landing Capacity — | None | None |
| Equipment Date: | ||
| Control Computer Type — | M-2 | M-3 |
| Transporters: | ||
| Standard 6-person — | 3 | 3 |
| Emergency 22-person — | 2 | 2 |
| Cargo — | 2 | 2 |
| Other Data: | ||
| Crew — | 261 | 263 |
| Passengers — | 20 | 20 |
| Shuttlecraft — | 4 | 4 |
| Engines And Power Data: | ||
| Total Power Units Available — | 22 | 34 |
| Movement Point Ratio — | 3/1 | 3/1 |
| Warp Engine Type — | FWE-1 | FWE-2 |
| Number — | 2 | 2 |
| Power Units Available — | 8 ea. | 13 ea. |
| Stress Charts — | G/K | G/K |
| Max Safe Cruising Speed — | Warp 7 | Warp 7 |
| Emergency Speed — | Warp 9 | Warp 9 |
| Impulse Engine Type — | FIB-3 | FIE-2 |
| Power Units Available — | 6 | 8 |
| Weapons And Firing Data: | ||
| Beam Weapon Type — | FL-3 | FH-4 |
| Number — | 6 | 6 |
| Firing Arcs — | 2 f/p, 2 f, 2 f/s | 2 f/p, 2 f, 2 f/s |
| Firing Chart — | G | Q |
| Maximum Power — | 2 | 3 |
| Damage Modifiers: | ||
| +3 | (-) | (-) |
| +2 | (-) | (1-8) |
| +1 | (1-4) | (9-14) |
| Torpedo Weapon Type — | FP-1 | FP-5 |
| Number — | 2 | 2 |
| Firing Arcs — | 2 f | 2 f |
| Firing Chart — | L | R |
| Power to Arm — | 1 | 1 |
| Damage — | 10 | 16 |
| Shield Data: | ||
| Deflector Shield Type — | FSB | FSD |
| Shield Point Ratio — | 1/2 | 1/2 |
| Maximum Shield Power — | 4 | 6 |
| Combat Efficiency: | ||
| D — | 69.9 | 83.9 |
| WDF — | 12.4 | 34.6 |