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Silver rectangular redundant power supply unit with single cooling fan and handle

DELL

DELL L1100A-S0 1100 W Redundant Power Supply

SKU CH-NAX1-KYGA4 MPN L1100A-S0

A redundant 1100 W power supply with single-fan cooling, 100-240 V input and +12 V 89.6 A output for PowerEdge R510, R715, R810, R815, R910 and T710 servers

  • Max wattage1100 W
  • Fan configuration1
  • Product typeType
  • Delivers 1100 W maximum power for demanding server workloads
  • Redundant design keeps systems running if one unit fails
  • Wide 100-240 V input range suits global deployments
  • Single fan cooling maintains airflow with minimal noise
  • Compatible with PowerEdge R510, R715, R810, R815, R910, T710

1100 W Redundant Power Supply

This unit is a 1100 watt redundant power supply built for Dell PowerEdge servers. It delivers up to 89.6 A on the +12 V rail and 2.0 A on the +12 V standby rail. The supply accepts 100-240 V input at 50/60 Hz with a maximum AC current of 12-6.7 A. A single fan provides internal cooling.

Suitable for PowerEdge R510 R715 R810 R815 R910 T710

This supply fits the listed Dell PowerEdge models and supports hot-swap redundancy in those chassis. It is not for systems outside this compatibility list or for builds that require a different form factor or output configuration. Buyers needing non-redundant desktop units or different voltage rails should look elsewhere.

1100 W capacity with 89.6 A on +12 V

The 1100 W rating comfortably handles dual-processor configurations with multiple drives and expansion cards in supported servers. Headroom decreases when both CPU sockets are heavily loaded alongside full drive bays and PCIe cards. The single fan may limit sustained output in high ambient temperatures.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $31.99
Cheaper than about 94% of the 10,869 comparable items (median $142.99).
Max wattage 1100 W
Higher than about 85% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDELL
Product typeType
Power
Max wattage1100 W
More details
Fan configuration1

Questions about this item

Which Dell PowerEdge servers accept the L1100A-S0 1100 W redundant supply?

The unit is listed for PowerEdge R510, R715, R810, R815, R910 and T710 systems.

Can I mix this 1100 W unit with the original lower-wattage supply already in my PowerEdge?

Redundant operation requires matching wattage; install a second L1100A-S0 for full redundancy.

What front-panel indication confirms the L1100A-S0 is delivering power after installation?

A steady green LED on the supply face shows normal +12 V and +12 Vsb output.

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