CyberPower UPS, ENERGY STAR certified
CyberPower SX950U
950 VA / 510 W passive standby UPS.
Capacity
950 VA
510 W real power
Topology
Passive Standby
Efficiency
98.4%
weighted, as tested
Runtime @ 50%
8 min
2 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 950 VA and 510 W, so the equipment plugged into its battery outlets should draw no more than about 408 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.4% compares with a median of 98.6% across 167 certified units within 25% of its capacity. With nothing plugged in it still draws 3.2 W, about $3.62 a year at 13¢/kWh just to stand ready.
- Maker
- CyberPower
- Model
- SX950U
- Apparent power rating
- 950 VA
- Real power rating
- 510 W
- Power factor
- 0.54
- Topology
- Passive Standby
- Intended use
- Consumer
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 8 min
- Runtime at 100% load
- 2 min
- Battery warranty
- 3 yr
- Weighted efficiency
- 98.4%
- Efficiency at 25 / 50 / 75 / 100% load
- 97.4% / 98.5% / 98.7% / 98.5%
- Input power at no load
- 3.2 W
- Rack mountable
- No
- Rated input voltage
- 120 V
- Rated output voltage
- 120 V
- Connections
- USB Port
- Size (H x W x D)
- 310 x 178 x 80 mm
- Maker take-back program
- No
- On the market since
- May 2018
- ENERGY STAR certified
- 11 Apr 2018
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2320696, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the SX950U
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Delta RT-1K | 1,000 VA / 900 W | Double Conversion | 90.2% | 12 min |
| APC BX1000M | 1,000 VA / 600 W | Line Interactive | 98.8% | 14 min |
| Tripp Lite AG-0317 | 900 VA / 480 W | Passive Standby | 99.5% | 8 min |
| Liebert GXT5-1000LVRT2UXL | 1,000 VA / 1,000 W | Multi-Mode Double Conversion | 90.5% | 15 min |
| Vertiv GXT5-1000LVRT2UXL | 1,000 VA / 1,000 W | Multi-Mode Double Conversion | 90.5% | 15 min |
| Eaton 9PX1000GRT | 1,000 VA / 1,000 W | Double Conversion | 90.9% | 17 min |
CyberPower
More CyberPower UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| AVRG1000LCD | 1,000 VA / 530 W | Line Interactive | 98.6% | 10 min |
| BL1250U2 | 1,200 VA / 800 W | Line Interactive | 98.7% | 11 min |
| BL1450U | 1,200 VA / 800 W | Line Interactive | 98.7% | 11 min |
| BRG1000AVRLCD | 1,000 VA / 600 W | Line Interactive | 98.5% | 9 min |
| BRG1500AVRLCD | 1,500 VA / 900 W | Line Interactive | 98.6% | 12 min |
| BRG1500AVRLCD2 | 1,500 VA / 900 W | Line Interactive | 98.8% | 11 min |
| CP1000PFCLCD | 1,000 VA / 600 W | Line Interactive | 98.8% | 9 min |
| CP1000PFCLCDa | 1,000 VA / 600 W | Line Interactive | 99.3% | 8 min |