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Product comparison · 2 uninterruptible power supplies (upss)

APC SMX3000LVUS uninterruptible power supply (UPS) Line-Interactive 3 kVA vs CyberPower ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA

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  • 31specifications compared
  • 22differ
  • 9identical
  • 29known for one product only

Key differences

  • UPS topology
    • Line-Interactive
    • Standby (Offline)
  • Output power capacity
    • 3 kVA
    • 0.9 kVA
  • Output power
    • 2700 W
    • 500 W
  • Waveform
    • Sine
    • Pseudo sine
  • Input operation voltage (min)
    • 100 V
    • 96 V
  • Input operation voltage (max)
    • 127 V
    • 140 V
  • Input frequency
    • 50/60 Hz
    • 47/63 Hz
  • Output operation voltage (min)
    • 100 V
    • 120 V

Side by side

Differences highlightedShow differences only
60 specifications
A

APC

SMX3000LVUS uninterruptible power supply (UPS) Line-Interactive 3 kVA

Model SMX3000LVUS

View product
B

CyberPower

ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA

Model ST900U

View product
Features10 differ
UPS topologyDiffersLine-InteractiveStandby (Offline)
Output power capacityDiffers3 kVA0.9 kVA
Output powerDiffers2700 W500 W
WaveformDiffersSinePseudo sine
Input operation voltage (min)Differs100 V96 V
Input operation voltage (max)Differs127 V140 V
Input frequencyDiffers50/60 Hz47/63 Hz
Output operation voltage (min)Differs100 V120 V
Output operation voltage (max)Differs127 V120 V
Transfer time (Line Mode to Battery Mode)Known for one8 ms
Surge protectionKnown for oneYes
Power protection featuresKnown for oneOverload
Audible alarm modesDiffersAlarm when on battery, Low battery alarmAlarm when on battery, Fault, Low battery alarm, Overload alarm
Socket circuit breakerKnown for oneYes
Surge energy ratingKnown for one540 J
EfficiencyKnown for one98%
Noise levelKnown for one55 dB
Ports & interfaces4 differ
AC outlet typesDiffersNEMA 5-15R, NEMA L5-20R, NEMA L5-30RNEMA 5-15R
Power plugDiffersNEMA L5-30PNEMA 5-15P
AC outlets quantityDiffers10 AC outlet(s)12 AC outlet(s)
USB 2.0 ports quantityKnown for one2
USB port typeDiffersUSB Type-BUSB Type-A
Battery1 differ
Battery capacityKnown for one7.2 Ah
Battery voltageKnown for one12 V
Number of batteries supportedKnown for one1
Typical backup time at full loadKnown for one2 min
Typical backup time at half loadKnown for one7.5 min
Battery recharge timeDiffers3 h8 h
Battery life (max)Known for one5 year(s)
Design2 differ
Form factorDiffersRackmountCompact
Cable lengthDiffers2.44 m1.5 m
LED indicatorsKnown for onePower
Rack capacityKnown for one4U
Control typeKnown for oneButtons
Display typeKnown for oneLED
Operational conditions1 differ
Operating altitudeDiffers0 - 3048 m0 - 3000 m
Non-operating altitudeKnown for one0 - 15000 m
Storage relative humidity (H-H)Known for one0 - 95%
Packaging contentidentical
Cables includedKnown for oneUSB cable
ManualKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Doesn't containKnown for oneMercury
Safety regulation & standardsidentical
SafetyKnown for oneUL1778, cUL, FCC DOC B, CEC
Weight & dimensions4 differ
WidthDiffers178 mm309 mm
DepthDiffers483 mm177 mm
HeightDiffers432 mm78 mm
WeightDiffers38.6 kg3.49 kg
Packaging dataidentical
Package widthKnown for one633 mm
Package depthKnown for one586 mm
Package heightKnown for one330 mm
Package weightKnown for one47.7 kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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