unlimited users Solstice Disk-
| E4000 | K450 | K460 | |
| Processor | UltraSPARC | PA-8000 | PA-8000 |
| Clock Speed | 167MHz | 160MHz | 180MHz |
| Cache per CPU | 1MB per CPU | 1MB/1MB(I/D) | 1MB/1MB(I/D) |
| Max CPUs | 14 | 4 | 4 |
| estimated tpm | 11,500 (12) | 11,580 (4) | 12,320 (4) |
| LADDIS (NFSops/s) | 15,674 (12) | na | 9,572 (4) |
| LADDIS (ms/op) | 21.1 (12) | na | 19.9 (4) |
| SPECrate_int95 | 660 (12) | 390 (4) | 415 (4) |
| SPECrate_fp95 | 887 (12) | 380 (4) | 400 (4) |
| Min/Max Memory | 64MB-14GB | 128MB-3.75GB | 128MB-3.75GB |
| Max External Disk | >4TB | 8.3TB | 8.3TB |
| I/O Slots | 21 SBus | 8 HP-PB | 8 HP-PB |
| 5 HP-HSC | 5 HP-HSC | ||
| I/O Bandwidth | 2.6 GBps(peak) | 288 MBps(peak) | 288 MBps(peak) |
| Hot Plug Disks | 10 internal | no internal | no internal |
| Hot Plug Components | Power/Cooling | no | no |
| Boards | |||
| Warranty | 1 yr, on-site | 1 yr, on-site | 1 yr, on-site |
| Basic OS | Solaris 2.5. 1 unlimited users Solstice Disk- Suite, Solstice Backup | HP-UX 10.20 2-user | HP-UX 10.202-user |