| Product Type | Power Supply Unit (PSU) |
| Form Factor | Plug-in module |
| Hot-Plug Support | Yes |
| Redundant Support | Yes |
| Power Capacity | 500 Watt |
| 80 PLUS Certification | 80 PLUS Platinum |
| Power Supply Compatibility | Lenovo ThinkSystem SR630 V2, SR645 |
| PSU Generation | Gen2 v3 |
Lenovo 500W 4S Platinum Hot-Swap PSU (4P57A82021)
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- 500W power capacity with AC 115/230V input
- 80 PLUS Platinum certified for high energy efficiency
- Hot-plug and redundant design for uninterrupted operation
- Compatible with ThinkSystem SR630 V2 and SR645 server models
- Modular plug-in design for easy installation and maintenance
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Provides reliable, redundant power distribution tailored for Lenovo ThinkSystem infrastructures.
- Hot-plug functionality minimizes downtime during maintenance or PSU replacement.
- 80 PLUS Platinum certification delivers power efficiency, lowering energy and cooling costs.
Product Overview
The Lenovo 500W 4S Platinum Hot-Swap PSU offers redundant and hot-plug capability to maintain system uptime without service interruption. It supports AC 115/230V input and is certified to 80 PLUS Platinum, ensuring energy-efficient performance. Designed for ThinkSystem SR630 V2 and SR645 servers, its plug-in module format simplifies both installation and replacement, making it ideal for enterprise-grade reliability and continuity.
Specifications
Product Overview
Physical & Environmental
| Dimensions (WxDxH) | 76 mm x 188 mm x 40 mm |
| Weight | 1.36 kg (approx.) |
| Operating Temperature Range | 10°C to 35°C |
| Storage Temperature Range | -40°C to 70°C |
| Operating Humidity Range | 8% – 90% (non-condensing) |
| Storage Humidity Range | 5% – 95% (non-condensing) |
| Cooling Type | Active (integrated fan module) |
Power Requirements
| Input Voltage | AC 115/230 V |
| Input Frequency | 50/60 Hz |
| Input Current | 5.5A @ 100V, 2.5A @ 240V |
| Power Efficiency | >94% at 50% Load (typical, Platinum-rated) |
| Hold-Up Time | 12 ms minimum at 100% load and nominal input |
| Inrush Current | Typically <30 A peak |
| Power Factor Correction | Active PFC |
Security & Monitoring Features
| Status Indicators | LED indicators (power, fault) |
| Monitoring Capabilities | Integrated monitoring via ThinkSystem server diagnostics |
Interfaces
| Power Input Type | IEC 60320 C14 or equivalent (chassis dependent) |
| Power Output Connectors | Internal direct connector to server PSU backplane |
Compliance & Origin
| Country of Origin | |
| TAA Compliant | |
| Certifications | 80 PLUS Platinum, CE, UL, cUL, FCC, CB, RoHS |
| Environmental Standards | RoHS, WEEE |
Compatibility
| Compatible Systems | Lenovo ThinkSystem SR630 V2 (7Z70, 7Z71), SR645 (7D2X, 7D2Y) |
Identification
| Manufacturer | Lenovo |
| Part Number | 4P57A82021 |
| UPC | 889488657148 |
| Category | Power Supply |
| Family | Power Equipment |
