| Construction Data: | ||
| Model Number — | Mk I | Mk II |
| Ship Class — | IX | IX |
| Date Entering Service — | 2257 | 2260 |
| Number Constructed — | 6 | 3 |
| Hull Data: | ||
| Superstructure Points — | 21 | 21 |
| Damage Chart — | C | C |
| Size: | ||
| Length — | 270.1 m | 270.1 m |
| Width — | 126.3 m | 126.3 m |
| Height — | 67.16 m | 67.16 m |
| Weight — | 138,440 mt | 138,735 mt |
| Cargo: | ||
| Cargo Units — | 145.425 SCU | 145 SCU |
| Cargo Capacity — | 7,250 mt | 7,250 mt |
| Landing Capacity — | None | None |
| Equipment Date: | ||
| Control Computer Type — | M-2 | M-2 |
| Transporters: | ||
| Standard 6-person — | 3 | 3 |
| Emergency 22-person — | 2 | 2 |
| Cargo — | 2 | 2 |
| Other Data: | ||
| Crew — | 277 | 277 |
| Passengers — | 20 | 20 |
| Shuttlecraft — | 2 | 2 |
| Engines And Power Data: | ||
| Total Power Units Available — | 27 | 30 |
| Movement Point Ratio — | 3/1 | 3/1 |
| Warp Engine Type — | FWD-1 | FWD-1 |
| Number — | 2 | 2 |
| Power Units Available — | 12 ea. | 12 ea. |
| Stress Charts — | L/G | L/G |
| Max Safe Cruising Speed — | Warp 7 | Warp 7 |
| Emergency Speed — | Warp 9 | Warp 9 |
| Impulse Engine Type — | FIC-2 | FIC-3 |
| Power Units Available — | 3 | 6 |
| Weapons And Firing Data: | ||
| Beam Weapon Type — | FH-4 | FH-7 |
| Number — | 6 | 6 |
| Firing Arcs — | 2 f/p, 2 f/s, 2 a | 2 f/p, 2 f/s, 2 a |
| Firing Chart — | Q | Q |
| Maximum Power — | 3 | 4 |
| Damage Modifiers: | ||
| +3 | (-) | (-) |
| +2 | (1-8) | (1-8) |
| +1 | (9-14) | (9-14) |
| Torpedo Weapon Type — | FP-1 | FP-1 |
| Number — | 2 | 2 |
| Firing Arcs — | 2 f | 2 f |
| Firing Chart — | L | L |
| Power to Arm — | 1 | 1 |
| Damage — | 10 | 10 |
| Shield Data: | ||
| Deflector Shield Type — | FSF | FSK |
| Shield Point Ratio — | 1/2 | 1/2 |
| Maximum Shield Power — | 8 | 15 |
| Combat Efficiency: | ||
| D — | 68.0 | 81.0 |
| WDF — | 24.4 | 27.4 |