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Rectangular silver server power supply unit with rear connector and ventilation grille

DELL

DELL L1100A-S0 Lot 2 1100W DC power supply for PowerEdge R520 R620 R720 R820 R920 R940 T620 T640 VRTX

SKU CH-9CFT-1RRQ9 MPN L1100A-S0

1100 W DC power supply compatible with PowerEdge R510, R520, R620, R720, R810, R820, R910, R920, R940, T620, T640, T710 and VRTX servers

  • Delivers 1100 W output for high-density PowerEdge servers
  • Accepts 100-240 V input for global rack deployments
  • Operates at 50-60 Hz frequency matching standard data-centre power
  • Compatible with R520 R620 R720 R820 R920 R940 T620 T640 VRTX
  • Also supports legacy R510 R810 R910 T710 platforms

1100W DC power supply for PowerEdge servers

This 1100 watt DC power supply is built for Dell PowerEdge rack and tower servers. It fits the R520, R620, R720, R820, R920, R940, T620, T640 and VRTX platforms. System administrators replacing a failed unit or adding redundancy will find the correct form factor and connector layout.

100-240 V input with 50-60 Hz operation

The unit accepts a wide 100 to 240 volt AC range at 50 to 60 Hz, making it suitable for global deployments. In normal use it delivers up to 1100 watts of DC output to the server backplane. Thermal performance and acoustic profile follow the original Dell engineering specifications for the supported chassis.

Hot-plug redundant design for mission-critical

This supply supports hot-plug replacement so a failed module can be swapped without powering down the host. It is not suited for non-PowerEdge hardware or for systems that require a different wattage or form factor. Buyers needing a lower or higher output rating should select a different model.

Highlights

  • Delivers 1100 W output for high-density PowerEdge servers
  • Accepts 100-240 V input for global rack deployments
  • Operates at 50-60 Hz frequency matching standard data-centre power
  • Compatible with R520 R620 R720 R820 R920 R940 T620 T640 VRTX
  • Also supports legacy R510 R810 R910 T710 platforms

Specifications

BrandDell
SeriesPowerEdge
ModelL1100A-S0

Questions about this item

How do I install the L1100A-S0 into a PowerEdge R720 and what step is often missed?

Slide the unit into the hot-plug bay until the latch clicks, then verify the green AC and DC LEDs are both lit; the missed step is confirming both LEDs before assuming the supply is online

What maintenance or replacement will the L1100A-S0 need later?

The internal fan is the only moving part; plan to vacuum dust from the intake grille periodically and replace the fan assembly if bearing noise appears

What limit appears first on the L1100A-S0 under sustained load?

The 1100 W output ceiling is reached before any other constraint; the supply will throttle or shut down if the combined draw exceeds that rating

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