Dell 1100W Power Supply for PowerEdge R770 — D1100E-S7-DELL
The Dell D1100E-S7-DELL is a genuine Dell 1100W hot-swap power supply designed for the Dell EMC PowerEdge R770 server. Delivering 1100 watts of power with hot-swap capability, it enables replacement without server downtime in redundant PSU configurations — ensuring continuous operation for mission-critical PowerEdge R770 deployments. As a genuine Dell OEM part, it ensures full compatibility and iDRAC power monitoring integration.
Key Features
- 1100W Output: Sufficient power for standard PowerEdge R770 configurations
- Hot-Swap: Replace without powering down in redundant PSU configurations
- Genuine Dell OEM: Full compatibility and iDRAC power monitoring
- PowerEdge R770 Specific: Validated for Dell EMC PowerEdge R770
- High Efficiency: Optimized power conversion for data center efficiency
Technical Specifications
- Part Number: D1100E-S7-DELL
- Output Power: 1100W
- Hot-Swap: Yes
- Compatible Systems: Dell EMC PowerEdge R770
- OEM Status: Genuine Dell
Use Cases
- PSU Replacement: Replace failed power supply in PowerEdge R770
- Redundant PSU: Add redundant power for high-availability R770 configurations
- Data Center Maintenance: Hot-swap replacement without server downtime
Compatibility Notes
- Compatible with Dell EMC PowerEdge R770 only
- Genuine Dell OEM ensures full iDRAC power monitoring and alerting
- Hot-swap requires redundant PSU configuration in the server
- Verify exact PSU slot and wattage requirements before ordering
Frequently Asked Questions
- Can I replace this PSU while the R770 is running?
- Yes — hot-swap replacement is supported when the server has a redundant PSU configuration and the remaining PSU can support the full server load.
- Is this the same as D1100E-S7 without the -DELL suffix?
- The -DELL suffix typically indicates the Dell branded/labeled version. Verify part number compatibility with Dell”s documentation before ordering.
- What is the efficiency rating of this PSU?
- Verify the exact efficiency rating (80 Plus Gold/Platinum) in Dell”s official datasheet for the D1100E-S7 power supply.
Product Details
- Part Number: D1100E-S7-DELL
- Manufacturer: Dell Technologies
- Product Type: Server Power Supply Unit
Whether you are replacing a failed PSU in a Dell PowerEdge R770, adding redundant power for high availability, or performing data center maintenance with hot-swap convenience, the Dell D1100E-S7-DELL delivers the 1100W capacity, hot-swap reliability, and Dell OEM compatibility your server demands.


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