Vertiv Liebert GXT5 750VA Online Rack/Tower UPS - Reliable Power

Our review of the Vertiv Liebert GXT5 750VA UPS focuses on who needs consistent, clean power and why this model is worth considering. This unit targets small server closets, network closets and critical workstation setups that demand true online double conversion protection. The single biggest reason to buy is its continuous online sine wave output and high 1.0 power factor, which deliver steady voltage and frequency under load so sensitive equipment stays stable during mains disturbances. The updated firmware also reduces fan noise for quieter operation in office environments.

Key Features

• Online double conversion: Provides continuous, clean sine wave power so connected servers and networking gear see no transfer time during outages.
• High power factor: The 1.0 power factor gives full-rated wattage to real loads, maximizing usable power for compact IT racks.
• Programmable outlets: Four individual output receptacles can be scheduled or sequenced to extend battery runtime for priority devices.
• Color graphic display: The intuitive interface with gravity sensing makes local status checks and configuration straightforward in rack or tower orientation.
• Energy Star certified: Energy Star 2.0 certification and efficient operating modes reduce waste and lower runtime energy costs.
• Updated firmware: Recent firmware mitigates earlier fan speed and noise concerns for quieter continuous operation.

Who It's For

The GXT5 750VA is well suited to IT professionals and small business owners who need guaranteed, consistent power for a small rack of network equipment, a handful of servers, or workstations where voltage stability matters. Its true online topology and 1.0 power factor make it a good choice when clean power and predictable battery behavior are priorities.

Those with only light, noncritical home electronics or very high-density server racks requiring greater VA capacity should look at larger models or alternate solutions, since this unit is optimized for compact deployments rather than large-scale data center loads.

Pros & Cons

Pros

• True online double conversion provides continuous voltage regulation and frequency stability for sensitive hardware.
• 1.0 power factor supplies full wattage to attached devices, improving usable capacity compared with lower power factor units.
• Programmable output receptacles allow staged shutdowns to preserve runtime for critical systems.
• Updated firmware reduces fan speed and noise, improving suitability for office environments.

Cons

• Lead acid battery chemistry means eventual replacement costs and weight compared with some newer battery types.
• 750VA size is limited for larger racks, so users with heavier loads will need a higher capacity model.

Specifications

Model	GXT5-750LVRT2UXLN
Capacity	750VA / 750W
Topology	Online double conversion (true online)
Voltage	120V AC output
Form factor	2U rack / tower convertible
Battery type	Lead acid
Communications	SNMP / Webcard support

Our Verdict

The Liebert GXT5 750VA is a compact, reliable online UPS suited to small server racks and critical network equipment where clean, uninterrupted power is essential. With a 1.0 power factor, programmable outlets and quieter operation after firmware updates, it represents good value for teams needing true online protection without oversizing their infrastructure.

Frequently Asked Questions

Does this UPS provide true online power?
Yes. The GXT5 is an online double conversion UPS that supplies continuous sine wave power with no transfer time during outages.

Can I manage the UPS remotely?
Yes. The unit supports SNMP and a webcard for remote monitoring and management of status and events.

Is the unit energy efficient?
Yes. It is Energy Star 2.0 certified and offers efficient operation in standard and eco modes to reduce runtime energy use.