CyberPower OL1KRM
An entry online UPS for a rack of servers or storage that cannot tolerate any transfer time.
Amazon $902.50$902.50
1,000 VA / 900 WOnline (double-conversion), Sine wave
3.0/5
A 1U rackmount UPS for network gear and servers with conventional power supplies.
- 1,500 VA / 900 WOutput
- Line-interactive, Simulated sineType
- 6 (4 on battery)Outlets
Check price at Amazon$614.95
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 1U height saves rack space
- Runtime shown on the LCD
- 10 ft input cord
Cons
- Simulated sine wave: listing says it is not meant for active-PFC power supplies
- Only four outlets run on battery
- Network card is an extra
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | OR1500LCDRM1U |
|---|---|
| Power | |
| Rated apparent power | 1,500 VA |
| Rated real power | 900 W |
| Topology | Line-interactive |
| Battery waveform | Simulated sine |
| Automatic voltage regulation | Yes |
| Outlets and features | |
| Outlets | 6 (4 on battery) |
| Format | Rackmount |
| Display | LCD |
| USB charging ports | No |
| Data port, software or network option | Yes |
| Warranty | |
| Warranty | 3 years |
| Connected-equipment guarantee | $300,000 |
Alternatives in this size
Tripp Lite SMART1500LCDXL
The extended-run 2U version for loads that need longer backup.
Amazon $460.70$460.70
1,500 VA / 900 WLine-interactive, Simulated sine
APC Smart-UPS SCL500RM1UC
A 1U lithium UPS for a network rack where height and battery life matter more than output.
Amazon $470.99$470.99
500 VA / 400 WSine wave
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