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Product comparison · 2 uninterruptible power supplies (upss)

APC SMX2KRMLVNCUS uninterruptible power supply (UPS) Line-Interactive 1.92 kVA vs CyberPower ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA

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  • 33specifications compared
  • 22differ
  • 11identical
  • 30known for one product only

Key differences

  • UPS topology
    • Line-Interactive
    • Standby (Offline)
  • Output power capacity
    • 1.92 kVA
    • 0.9 kVA
  • Output power
    • 1800 W
    • 500 W
  • Waveform
    • Sine
    • Pseudo sine
  • Input operation voltage (min)
    • 70 V
    • 96 V
  • Input operation voltage (max)
    • 154 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
63 specifications
A

APC

SMX2KRMLVNCUS uninterruptible power supply (UPS) Line-Interactive 1.92 kVA

Model SMX2KRMLVNCUS

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 capacityDiffers1.92 kVA0.9 kVA
Output powerDiffers1800 W500 W
WaveformDiffersSinePseudo sine
Input operation voltage (min)Differs70 V96 V
Input operation voltage (max)Differs154 V140 V
Input frequencyDiffers50/60 Hz47/63 Hz
Output operation voltage (min)Differs100 V120 V
Output operation voltage (max)Differs127 V120 V
Surge energy ratingKnown for one540 J
Audible alarm(s)YesYes
Audible alarm modesDiffersAlarm when on battery, Battery replacement, Low battery alarm, Overload alarmAlarm when on battery, Fault, Low battery alarm, Overload alarm
Output frequencyKnown for one50/60 Hz
Transfer time (Line Mode to Battery Mode)Known for one8 ms
Surge protectionKnown for oneYes
Power protection featuresKnown for oneOverload
Socket circuit breakerKnown for oneYes
Ports & interfaces2 differ
AC outlet typesDiffersNEMA 5–15R, NEMA 5–20R, NEMA L5-20RNEMA 5-15R
Power plugDiffersNEMA 5-20PNEMA 5-15P
USB portYesYes
Serial interfaceKnown for oneYes
Serial interface typeKnown for oneRJ-45
SmartSlotKnown for oneYes
AC outlets quantityKnown for one12 AC outlet(s)
USB 2.0 ports quantityKnown for one2
USB port typeKnown for oneUSB Type-A
Battery2 differ
Battery technologySealed Lead Acid (VRLA)Sealed Lead Acid (VRLA)
Battery capacityDiffers690 Ah7.2 Ah
Battery life (max)Known for one5 year(s)
Battery recharge timeDiffers3 h8 h
Hot-swap batteryKnown for oneYes
Cold startKnown for oneYes
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
Design3 differ
Form factorDiffersRackmount/TowerCompact
Product colourBlackBlack
Rack capacityKnown for one2U
Cable lengthDiffers2.44 m1.5 m
Display typeKnown for oneLCD
LED indicatorsDiffersYesPower
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-15 - 45 °C-15 - 45 °C
Operating relative humidity (H-H)0 - 95%0 - 95%
Storage relative humidity (H-H)Known for one0 - 95%
Operating altitude0 - 3000 m0 - 3000 m
Non-operating altitude0 - 15000 m0 - 15000 m
Packaging content1 differ
Rack mount kitKnown for oneYes
Cables includedDiffersRS-232, USB cableUSB cable
ManualYesYes
Quick installation guideKnown for oneYes
Certificatesidentical
Compliance certificatesRoHSRoHS
Weight & dimensions4 differ
WidthDiffers432 mm309 mm
DepthDiffers667 mm177 mm
HeightDiffers85 mm78 mm
WeightDiffers38.5 kg3.49 kg
Packaging dataidentical
Package widthKnown for one596 mm
Package depthKnown for one869 mm
Package heightKnown for one243 mm
Package weightKnown for one45.4 kg
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Safety regulation & standardsidentical
SafetyKnown for oneUL1778, cUL, FCC DOC B, CEC

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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