The Geist Upgradeable PDU provides data center managers the flexibility to install the intelligence they require today with the option to upgrade the monitoring device as technology advances or business needs evolve. From basic power distribution to sophisticated power monitoring and switching, the GU PDU adapts to your business well into the future. For Geist Upgradeable metered PDUs, the Interchangeable Monitoring Device (IMD) can be upgraded for added intelligence or new features. With the IMD, users can install the latest technology without replacing the entire power strip. The hot-swappable IMD can be changed in a few simple steps without interrupting power to critical servers.