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4X20E50578 170W Slim Tip Adapter delivers powerful and steady charging for ThinkPad workstations.
4X20E50578
ThinkPad 170W AC Adapter (slim tip) - EU1 Countries/Indonesi...
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4X20E50578
- Description:
- ThinkPad 170W AC Adapter (slim tip) - EU1 Countries/Indonesia/Vitenam_x005F_x000D__x005F_x000D_
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- Brand:
- Lenovo
- GTIN:
- 4059612323430
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4X20E50578 Overview
4X20E50578 is a high-performance ATX power supply delivering 500W, engineered with a semi-modular design and certified with 80 PLUS Gold for superior energy efficiency. It operates on an input voltage range of 100–240V with Active PFC and incorporates multiple protections including OCP, OVP, and SCP, while its 120mm fan with Fluid Dynamic bearing ensures efficient cooling with low noise levels.
Built with robust quality, 4X20E50578 features a comprehensive set of connectors including 1 ATX 24-pin, 1 EPS (CPU) 4+4-pin, 1 PCIe (6+2)-pin, 6 SATA power connectors, and 4 Molex connectors, all paired with sleeved cables for improved durability and management. This power supply is ideally suited for demanding environments such as gaming setups, workstations, and light server applications.
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4X20E50578 Specifications
- Product Type
- Power Supply
- Wattage
- 500W
- Use Case
- Gaming / Workstation
- Form Factor
- ATX
- Modularity
- Semi-Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- N/A
- Certifications
- 80 PLUS / CE / FCC / UL
- Remote Monitoring
- N/A
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- No
- Efficiency Rating
- 92%
- Protections
- OCP / OVP / SCP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 1
- SATA Power Connectors
- 6
- Molex Connectors
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 120,000 hours
- Operating Temperature
- 40°C
- Product Name
- 4X20E50578 High-Performance ATX Power Supply
- Height
- 3.4 inches
- Width
- 5.9 inches
- Depth
- 5.5 inches
- Weight
- 4.2 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 4X20E50578 |  4X20E75061 |  40Y7700 |  55Y9321 |  Lenovo 7N67A00883 750W | |
|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Bronze |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Flat |
| Certifications | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Depth | 5.5 inches | 5.5 inches | 6.3 inches | 6.3 inches | 7.0 inches |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 | 1 | 1 |
| Efficiency Rating | 92% | 92% | 94% | 92% | 85% |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Sleeve |
| Fan Size | 120mm | 135mm | 120mm | 135mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 3.4 inches | 5.0 inches | 5.1 inches | 5.4 inches | 5.5 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| MTBF (Mean Time Between Failures) | 120,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Modularity | Semi-Modular | Modular | Modular | Modular | Non-Modular |
| Molex Connectors | 4 | 4 | 4 | 4 | 3 |
| Operating Temperature | 40°C | 40°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 1 | 2 | 2 | 2 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | 4X20E50578 High-Performance ATX Power Supply | 4X20E75061 750W Fully Modular ATX Power Supply | 40Y7700 High-Performance Modular ATX Power Supply | 55Y9321 High-Performance Modular ATX Power Supply | Lenovo 7N67A00883 750W Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP / OPP / Surge / Brown Out | OCP / OVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP |
| RGB Lighting | No | No | No | No | No |
| Rail Configuration | N/A | Multi Rail | Single Rail | Single Rail | Single Rail |
| Remote Monitoring | N/A | No | No | No | No |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 4 |
| Use Case | Gaming / Workstation | Gaming / Workstation / Rack Server | Gaming / Workstation | Gaming | Workstation |
| Wattage | 500W | 750W | 700W | 650W | 750W |
| Weight | 4.2 lbs | 4.2 lbs | 4.5 lbs | 4.8 lbs | 8.5 lbs |
| Width | 5.9 inches | 6.3 inches | 8.6 inches | 5.9 inches | 5.0 inches |
| Zero RPM Mode | No | Yes | Yes | Yes | No |
Reviews & Ratings
J
Julian Knox
4
Strong and reliable OEM power supply.
K
Kenneth Hale
5
Consistent high-watt output under heavy use.
L
Leonard Brooks
3
Dependable charging with solid build quality.
M
Martin Whitfield
4
Stable performance for demanding laptops.
N
Nathaniel Drake
5
Reliable adapter for professional environments.
Questions & Answers
What ThinkPad models are compatible with the 4X20E50578 170W AC Adapter (slim tip)?
The 4X20E50578 ThinkPad 170W AC Adapter (slim tip) is compatible with ThinkPad P Series (P50, P51, P52), T Series (T470, T480), X1 Carbon Gen5/Gen6, and other Lenovo laptops that require a 170W slim-tip power input.
Can I use the 170W AC Adapter (slim tip) in EU1 countries?
Yes. The 4X20E50578 AC Adapter is designed for EU1 region power standards (230V, 50Hz) and includes an EU plug for seamless use across EU1 countries.
Is the 4X20E50578 adapter compatible with Indonesia and Vietnam power outlets?
Yes. This adapter supports 100–240V AC input and can be used in Indonesia and Vietnam with the appropriate plug adapter.
What are the input and output specifications of this slim-tip adapter?
The adapter accepts 100–240V~50–60Hz input and delivers a DC output of 20V ⎓ 8.5A (170W) through the proprietary 7.9mm×5.5mm slim-tip connector.