- PC70UD13C160EF with T300604 Variant PC70UD13C160EF, batch T300604. Part of the PC70UD13C family. Benefits: compatible with PC70UD devices, designed for reliable replacement, traceable batch code. Use scenarios: spare part for maintenance, on-site replacement, routine upgrades. - PC70UD13C200EF with V300605 Variant PC70UD13C200EF, batch V300605. Standalone within the PC70UD13C line. Benefits: stable performance, clear batch traceability, easy cross-compatibility with related models. Use scenarios: system servicing, inventory for field technicians, upgrade path within the PC70UD family. - PC70UD13C250EF with W300606 Variant PC70UD13C250EF, batch W300606. Member of the PC70UD13C family. Benefits: higher variant capacity within the same family, consistent compatibility, reliable operation. Use scenarios: expansion installs, spare stock for planned maintenance, cross-model replacements. - PC70UD12C280EF with L300712 Variant PC70UD12C280EF, batch L300712. Part of the PC70UD12C line. Benefits: cross-model compatibility within the PC70UD lineup, dependable performance, traceable code. Use scenarios: inter-model replacement, maintenance stocking, upgrades across PC70UD series. - Backup of PC70UD13C200EF Backup clone of PC70UD13C200EF. Provides redundancy and testing capability. Benefits: quick recovery option, safe for staging and validation, aligns with the PC70UD13C200EF configuration. Use scenarios: disaster recovery, spare clone for testing, development or QA environments.