APC BX1500M
The affordable 1500 VA pick from APC, for a desktop PC with a conventional power supply.
Amazon $189.99$189.99
The APC BX1500M rates 3.6 among tower (1,000 to 2,000 VA) UPS battery backups; the CyberPower OL1KRM rates 3.1 among rackmount and online ones. The APC BX1500M costs $712.51 less ($189.99 vs $902.50).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
CyberPower OL1KRM
An entry online UPS for a rack of servers or storage that cannot tolerate any transfer time.
Amazon $902.50$902.50
Scores side by side
These two sit in different size classes (tower (1,000 to 2,000 VA) and rackmount and online), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | APC BX1500M | CyberPower OL1KRM |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Value 25% | 84 $21.11 per 100 W ($189.99, 900 W) | 9 $100.28 per 100 W ($902.50, 900 W) |
| Output 15% | 42 900 W rated output | 42 900 W rated output |
| Topology and waveform 20% | 55 line-interactive, waveform not published | 100 online double-conversion, sine wave |
| Runtime 10% | 89 68 min at 100 W | 50 runtime at 100 W not published (neutral score used) |
| Features 15% | 45 automatic voltage regulation, LCD | 40 LCD, software or network management |
| Warranty 15% | 35 3-year warranty, no equipment guarantee published | 35 3-year warranty, no equipment guarantee published |
Specifications
| APC BX1500M | CyberPower OL1KRM | |
|---|---|---|
| Power | ||
| Rated apparent power | 1,500 VA | 1,000 VA |
| Rated real power | 900 W | 900 W |
| Topology | Line-interactive | Online (double-conversion) |
| Battery waveform | - | Sine wave |
| Automatic voltage regulation | Yes | - |
| Battery and runtime | ||
| User-replaceable battery | Yes | - |
| Runtime at 100 W | 68 min | - |
| Outlets and features | ||
| Outlets | 10 (5 on battery) | 8 |
| Format | Tower | Rackmount |
| Display | LCD | LCD |
| USB charging ports | No | - |
| Data port, software or network option | No | Yes |
| Warranty | ||
| Warranty | 3 years | 3 years |