| Modelo | value |
|---|---|
| PC8000 | 3.5 RPM. |
| PC750SE-6 | 5.7 RPM. |
| PC750LC-6 | 5.7 RPM. |
| PC750-6 | 5.7 RPM. |
| PC650-1 | 4.3 RPM. |
| PC5500 | 3.1 RPM. |
| PC4000 | 4 RPM. |
| PC400-1 | 7 RPM. |
| PC3000 | 4.6 RPM. |
| PC2000-8 | 4.8 RPM. |
| PC1600-1 | 4.5 RPM. |
| PC1250-8 | 5.5 RPM. |
| PC1250-7 | 5.5 RPM. |
| PC1100-6 | 5.8 RPM. |
| H655S | 3.5 RPM. |
| H455S | 3.6 RPM. |
| H285S | 3.3 RPM. |
| H255S | 4.6 RPM. |
| H135S | 6.2 RPM. |