In April 1998 NEC announced, together with the PX7800SV, the N3645 cartridge library that supported both 36-track and 128-track formats. The unit could accommodate up to 6,110 magnetic tape cartridges for a maximum of 183.3 terabytes of online storage.
The N3645 featured a high-speed optical interface that enabled data transfer speeds of 20 MB per second. It also came with a barcode function, an automatic cleaning function, and a better performing loader robot for advanced operability.
| Media specifications | Supported both 36-track and 128-track formatted cartridges |
|---|---|
| Data transfer speed [MB/s] | 20 (via the optical interface) 6 (via the electrical interface) |
| Max. number of cartridges | 6110 |
| Capacity per unit | 183.3 TB (when using 128-track cartridges with 3x compression) |
