Description
Lenovo 180W Power Supply PA-1181-7 | ThinkCentre M4250 / M4600 / T6900c Slim SFF (6 + 4 Pin)
Key Features
- New original Lenovo 180W slim SFF power supply – entry-wattage variant for Lenovo Slim desktop
- Model: PA-1181-7 – 180W slim SFF unit for Lenovo M-series Slim chassis
- Same slim SFF form factor (200 x 54 x 85 mm) as 260W PA-1261-7 – lower wattage option
- Connector layout: 6-Pin + 4-Pin CPU (6+4P) – same connector as 260W variant
- Stable 180W output for Lenovo Slim SFF standard desktop workloads
- Built-in OVP / OCP / SCP protection
- 6-Pin proprietary connector – specific to this Lenovo Slim SFF generation
- Not interchangeable with TFX 10-pin or 14-pin Lenovo SFF variants
Technical Specifications
| Brand | Lenovo OEM |
| Condition | New Original |
| Model Number | PA-1181-7 |
| Wattage | 180W MAX |
| Input Voltage | 100-240V AC, 50-60Hz |
| Output | 180W MAX continuous output |
| Form Factor | Lenovo Slim SFF (200 x 54 x 85 mm) |
| Connector Type | 6-Pin + 4-Pin CPU (6+4P) |
| Hot Plug | No |
| Protection | OVP / OCP / SCP |
Compatible Models
Lenovo ThinkCentre Slim Desktop Series:
- Lenovo ThinkCentre M4250 Slim
- Lenovo ThinkCentre M4600 Slim
- Lenovo ThinkCentre T6900c Slim
- Lenovo IdeaCentre Slim models (check FRU)
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Disclaimer
Always verify the part number / model number on your existing PSU label before purchasing.
If you are unsure which model is suitable, chat with the NJ Bravo team before ordering. We will help you check the part number, connector, and compatibility.
Package Contents
- 1x Lenovo 180W Power Supply PA-1181-7 (New Original)
Warranty
- 90-day replacement warranty
- Covers manufacturing defects; physical damage and improper installation not included
Additional Notes
- Same 6+4P connector and Slim SFF form factor as 260W PA-1261-7 – lower wattage stock variant.
- Can be upgraded to 260W (PA-1261-7) using same connector for more headroom.
- Verify FRU/PN on existing PSU matches PA-1181-7 before ordering.
- New original unit – not refurbished or aftermarket.




