Vertiv Liebert PSI5 UPS
Best space-saving power protection for small business server racks.
This slim, rack-mounted unit is the ultimate insurance policy for your sensitive IT gear. By prioritizing a pure sine wave output and smart voltage regulation, it keeps your equipment running smoothly through power fluctuations. It’s a compact, no-nonsense solution for anyone who can't afford a sudden system crash.
$999.99
at
CDW
Who it's for
- IT managers protecting critical hardware from unpredictable power surges
- Professionals running sensitive equipment requiring clean, stable electricity
- System administrators needing remote visibility and automated shutdown control
Who should skip it
- Budget-conscious buyers seeking basic, low-cost surge protection
- Users wanting a low-maintenance solution without recurring replacement costs
- Remote workers with limited desk or office floor space
Performance breakdown
Space Efficiency
The slim 1U rack design maximizes density in crowded server cabinets.
Power Quality
Pure sine wave output ensures clean, stable power for sensitive electronics.
Load Management
Programmable outlets allow you to prioritize power for critical hardware components.
Voltage Regulation
Automatic Voltage Regulation effectively corrects fluctuations without draining the internal battery.
Switchover Speed
Sub-6ms transfer time keeps critical applications running during sudden power interruptions.
Remote Monitoring
Robust management features are available, though they require an optional card.
Key Specs
Model Number
PSI5-1500RM1201U
Power Capacity
1440 VA / 1350 W
Topology
Line Interactive
Input Voltage
120V
Input Voltage Range
83 to 159 VAC
Output Power Factor
0.9
Output Waveform
Pure Sine Wave
Transfer Time
< 6 ms
Outlets
5 total (2 programmable)
Rack Units
1U
Know before you buy
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