| Manufacturer | Lenovo |
| Model | 1100W 80 PLUS Platinum PSU Gen2 v4 ECSL |
| Manufacturer Part Number | 4P57A78361 |
| Product Type | Power Supply Unit (PSU) |
| Form Factor | Plug-in module |
| Power Capacity | 1100 Watt |
| Redundancy | Yes, hot-plug redundant |
| Power Efficiency Certification | 80 PLUS Platinum |
| Designed For Systems | ThinkSystem SR630 V2, SR645, SR650 V2, SR665 |
| Input Voltage Range | AC 100-127 V / 200-240 V |
| Auto-Ranging Input | Yes |
| Hot-Plug Support | Yes |
Lenovo 1100W 80 PLUS Platinum PSU Gen2 v4 ECSL

Key Benefits
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- Ideal for Lenovo ThinkSystem integration, ensuring hardware compatibility and performance
- High energy efficiency with 80 PLUS Platinum rating reduces operational costs
- Redundant and hot-pluggable design supports maximum uptime and system availability
Product Overview
The Lenovo 1100W 80 PLUS Platinum PSU Gen2 v4 ECSL delivers high-efficiency 1100W power with 80 PLUS Platinum certification, supporting AC 115/230 V input. It integrates hot-plug and redundant capabilities for continuous uptime and is designed for Lenovo ThinkSystem SR630 V2, SR645, SR650 V2, and SR665 servers. This unit is ideal for mission-critical infrastructure where reliability and energy efficiency are paramount.
Specifications
Product Overview
Physical & Environmental
| Width | 86 mm (3.39 in) |
| Height | 40 mm (1.57 in) |
| Depth | 195 mm (7.68 in) |
| Unit Weight | 1.36 kg (3 lbs) |
| Cooling Type | Integrated Fan (front-to-back airflow) |
| Operating Temperature | 10°C to 35°C (50°F to 95°F) |
| Storage Temperature | -40°C to 60°C (-40°F to 140°F) |
| Operating Humidity | 8% to 90% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
| Thermal Dissipation | 3755 BTU/hr maximum |
Cloud Management & Licensing
| Cloud Monitoring | Not applicable |
| Management Interface | Not applicable |
| Licensing Required | No |
Interfaces
| Power Supply Connector | Standard PSU backplane connector for ThinkSystem |
| Power Output Connectors | Internal PSU-to-backplane, designed for server application |
Compliance & Origin
| 80 PLUS Certification | Platinum |
| Country of Origin | |
| TAA Compliance | |
| RoHS Compliance | Yes |
| REACH Compliance | Yes |
| Certifications | UL, FCC, CE, TUV, CB, CCC |
Advanced Security Features
| Secure Boot Support | Not applicable |
| Tamper Detection | Not applicable |
| Firmware Integrity Check | Not applicable |