from Starfleet Prototype – The Journal of Innovative Design and Ideas, David Schmidt & Mastercom Data Center
| Construction Data: | ||||
| Model – | Mk I | Mk II | Mk III | Mk IV |
| Ship Class – | IX | IX | IX | IX |
| Date Entering Service – | 2287 | 2305 | 2331 | 2352 |
| Number Constructed – | 27 | 8 | Refit | Refit |
| Hull Data: | ||||
| Superstructure Points – | 30 | 31 | 31 | 34 |
| Damage Chart – | C | C | C | C |
| Size: | ||||
| Length – | 256 m | 256 m | 256 m | 256 m |
| Width – | 144 m | 144 m | 144 m | 144 m |
| Height – | 58 m | 58 m | 58 m | 58 m |
| Weight – | 136,275 mt | 139,783 mt | 135,155 mt | 122,939 mt |
| Cargo: | ||||
| Total SCU – | 240 SCU | 240 SCU | 240 SCU | 240 SCU |
| Cargo Capacity – | 12,000 mt | 12,000 mt | 12,000 mt | 12,000 mt |
| Landing Capacity – | None | None | None | None |
| Equipment Date: | ||||
| Control Computer Type – | M-4 | M-6A | M-6A | I-5 |
| Transporters: | ||||
| Standard 6-person – | 3 | 3 | 3 | 3 |
| Emergency 22-person – | 4 | 4 | 4 | 4 |
| Cargo – | 2 | 2 | 2 | 2 |
| Other Data: | ||||
| Crew – | 320 | 320 | 334 | 338 |
| Passengers – | 20 | 20 | 20 | 20 |
| Shuttlecraft – | 6 | 6 | 6 | 6 |
| Engines And Power Data: | ||||
| Total Power Units Available – | 34 | 42 | 60 | 62 |
| Movement Point Ratio – | 3/1 | 3/1 | 3/1 | 3/1 |
| Warp Engine Type – | FWE-2 | FWE-2 | FWL-1 | FNWD-1a |
| Number – | 2 | 2 | 2 | 2 |
| Power Units Available – | 13 ea. | 13 ea. | 20 ea. | 18 ea. |
| Stress Chart – | G/K | G/K | E/F | D/E |
| Max Safe Cruising Speed – | Warp 7 | Warp 7 | ||
| Emergency Speed – | Warp 9 | Warp 9 | ||
| Impulse Engine Type – | FIE-2 | FIF-2 | FII-3 | FII-9 |
| Power Units Available – | 8 | 16 | 20 | 26 |
| Weapons And Firing Data: | ||||
| Beam Weapon Type – | FH-8 | FH-13 | FNH-1 | FNH-7 |
| Number – | 7 | 7 | 7 | 7 |
| Firing Arcs – | 2 f/p, 2 f, 2 f/s, 1 a | 2 f/p, 2 f, 2 f/s, 1 a | 2 f/p, 2 f, 2 f/s, 1 a | 2 f/p, 2 f, 2 f/s, 1 a |
| Firing Chart – | T | T | W | W |
| Maximum Power – | 5 | 8 | 6 | 10 |
| Damage Modifiers: | ||||
| +3 | (-) | (1-5) | (1-15) | (1-10) |
| +2 | (1-10) | (6-12) | (16-18) | (11-15) |
| +1 | (11-18) | (13-18) | (19-20) | (16-20) |
| Beam Weapon Type – | FH-10 | FH-11 | FH-20 | FNH-26 |
| Number – | 1 | 1 | 1 | 1 |
| Firing Arcs – | 1 f | 1 f | 1 f | 1 f |
| Firing Chart – | W | Y | Y | X |
| Maximum Power – | 7 | 10 | 14 | 20 |
| Damage Modifiers: | ||||
| +3 | (1-10) | (1-10) | (1-14) | (-) |
| +2 | (11-17) | (11-17) | (15-19) | (1-12) |
| +1 | (18-20) | (18-24) | (20-24) | (13-22) |
| Torpedo Weapon Type – | FP-6 | FP-4 | FP-4 | FP-15 |
| Number – | 4 | 4 | 4 | 4 |
| Firing Arcs – | 2 f, 2 a | 2 f, 2 a | 2 f, 2 a | 2 f, 2 a |
| Firing Chart – | O | S | S | T |
| Power to Arm – | 1 | 1 | 1 | 1 |
| Damage – | 12 | 20 | 20 | 25 |
| Shield Data: | ||||
| Deflector Shield Type – | FSO | FSP | FSS | FNSM |
| Shield Point Ratio – | 1/3 | 1/4 | 1/4 | 1/4 |
| Maximum Shield Power – | 16 | 16 | 20 | 37 |
| Combat Efficiency: | ||||
| D – | 114.9 | 148.3 | 184.3 | 218.6 |
| WDF – | 64.2 | 106.2 | 110.1 | 145.2 |