Lenovo Desktop Power Supply Replacement Guide – 240W PS-4241-02 for M82, M92P, H3050 Series
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Product link: https://nadalan-power.com/products/lenovo-power-supply-ps-4241-02
Is Your Lenovo Desktop Having Power Issues? Here‘s Your 240W Replacement Guide
If you own a Lenovo M82, M92P, H3050 series desktop, or a Lenovo system with Q77, B75, Q75, or A75 chipset, and are experiencing power failures, random shutdowns, or simply need a spare power supply, you’ve come to the right place.
Lenovo uses proprietary power supply designs for their business desktop lines. Finding the correct replacement can be challenging because these units use proprietary 14-pin connectors rather than standard ATX connectors.
This guide will help you quickly identify if the 240W PS-4241-02 Power Supply is the right match for your Lenovo computer.
Quick Compatibility Check
This 240W power supply is specifically designed for the following Lenovo systems:
Lenovo Desktop Series:
| Series | Compatible Models |
| Lenovo M Series | M82, M92P, M73 |
| Lenovo H Series | H3050 series |
Compatible Chipsets:
| Chipset | Compatible? |
| Lenovo Q77 | ✅ Yes |
| Lenovo B75 | ✅ Yes |
| Lenovo Q75 | ✅ Yes |
| Lenovo A75 | ✅ Yes |
⚠️ Important: This power supply is designed for 14-pin + 4-pin Lenovo desktop systems. It will NOT work with standard ATX motherboards.
Compatible Power Supply Models
This power supply replaces the following Lenovo power supply models:
| Model Number | Compatible? |
| HK340-72FP | ✅ Yes |
| PS-3181-02 | ✅ Yes |
| PS-4241-02 | ✅ Yes (main model) |
| HK280-71FP | ✅ Yes |
| PCB020 | ✅ Yes |
| PCE008 | ✅ Yes |
| PS-4241-01 | ✅ Yes |
| FSP180-30SBV | ✅ Yes |
| FSP240-40SBV | ✅ Yes |
Compatible Part Numbers:
| Part Number | Compatible? |
| 54Y8897 | ✅ Yes |
| 54Y8874 | ✅ Yes |
| 54Y8901 | ✅ Yes |
💡 Tip: Simply remove your old power supply and check the sticker on top. If you see any of the model numbers or part numbers listed above, this replacement will work perfectly.
Key Specifications at a Glance
| Specification | Detail |
| Rated Power | 240W |
| Model Numbers | PS-4241-02 (and 8+ compatible models) |
| Input Voltage | 110-220V |
| Dimensions (L×W×H) | 17.5 × 6.5 × 8.5 cm (175 × 65 × 85 mm) |
| Weight | 0.9 kg |
| Form Factor | Lenovo proprietary desktop |
| Application | Lenovo M82, M92P, H3050 series, Q77/B75/Q75/A75 chipsets |
Connector Configuration – The Most Important Check
| Interface Type | Connector | Quantity |
| Motherboard Main Power | 14-pin (proprietary) | 1 |
| CPU Power | 4-pin | 1 |
⚠️ Special Note: This power supply uses a proprietary 14-pin Lenovo motherboard connector – not the standard 24-pin ATX connector. Do not attempt to use this on a standard motherboard.
Why This Connector is Different:
Standard ATX power supplies use a 20-pin or 24-pin motherboard connector. Lenovo uses a proprietary 14-pin connector with a different pinout and smaller physical size. Do not attempt to force a standard ATX power supply into this motherboard.
Special Features – Quality & Performance
| Feature | Benefit |
| Quality Guaranteed | Stable performance – reliable operation |
| 100% Tested | Each unit tested before shipping |
| Proprietary 14-pin | Specifically designed for Lenovo Q77/B75/Q75/A75 systems |
| Universal Input | 110-220V – works worldwide |
✅ Quality Guaranteed and Stable Performance, Please Rest Assured to Buy.
Physical Size – Measure Before You Order
Even if the model number matches, it‘s always a good idea to check the size.
| Dimension | Measurement |
| Length | 17.5 cm (175 mm) |
| Width | 6.5 cm (65 mm) |
| Height | 8.5 cm (85 mm) |
Why Choose This 240W Replacement Power Supply?
| Feature | Benefit |
| Lenovo Specific | Designed for M82, M92P, H3050, Q77/B75/Q75/A75 systems |
| Quality Guaranteed | Stable performance – tested and reliable |
| Direct Replacement | No adapter or modification needed – works right out of the box |
| Universal Input | 110-220V – works worldwide |
| Wide Compatibility | Replaces 9+ different Lenovo model numbers |
| Proprietary 14-pin | Matches Lenovo desktop motherboard specification |
| 1-Year Warranty | Protected by Nadalan‘s 1-year return/exchange policy |
| Fast Global Shipping | Air freight to most countries in approximately 10 days |
Compatibility Note:
This power supply is suitable for:
- Lenovo M82, M92P, M73
- Lenovo H3050 series
- Lenovo Q77, B75, Q75, A75 chipset desktops
- Desktop 14-pin + 4-pin Lenovo systems
Installation Tips
- Power down and unplug your Lenovo desktop completely.
- Open the case – Lenovo business desktops typically have thumbscrews on the back.
- Disconnect cables from the old power supply – note the 14-pin and 4-pin connectors.
- Take a photo of the connector layout before disconnecting – this is critical due to the proprietary 14-pin connector.
- Remove the old PSU – usually held by 3-4 screws on the back of the case.
- Install the new PSU – secure with screws, then reconnect all cables following your photo.
- Test before closing – power on to ensure the system boots properly.
Frequently Asked Questions
Q1: What Lenovo models is this power supply compatible with?
Compatible with Lenovo M82, M92P, M73, H3050 series, and Q77/B75/Q75/A75 chipset desktops.
Q2: What are the compatible power supply model numbers?
HK340-72FP, PS-3181-02, PS-4241-02, HK280-71FP, PCB020, PCE008, PS-4241-01, FSP180-30SBV, FSP240-40SBV.
Q3: What are the compatible part numbers?
54Y8897, 54Y8874, 54Y8901.
Q4: What connectors does this power supply have?
1x 14-pin (proprietary Lenovo motherboard connector) and 1x 4-pin CPU connector.
Q5: What are the physical dimensions?
17.5cm × 6.5cm × 8.5cm.
Q6: What is the rated power?
240W.
Q7: What input voltage does it support?
110-220V.
Q8: Will this work with Lenovo M82?
Yes – M82 is specifically listed as compatible.
Q9: Will this work with Lenovo M92P?
Yes – M92P is specifically listed as compatible.
Q10: Will this work with Lenovo M73?
Yes – M73 is specifically listed as compatible.
Q11: Will this work with a standard ATX motherboard?
No. This uses a Lenovo proprietary 14-pin connector and is designed specifically for Lenovo desktops.
Q12: What is the warranty period?
Nadalan offers a 1-year warranty on this power supply.
Q13: How long does shipping take?
Approximately 10 days by air freight. Tax and duty included for most countries.
Q14: Do you offer wholesale pricing?
Yes. Nadalan welcomes bulk orders and corporate partnerships. Contact us to discuss custom negotiations and volume pricing.
Still Not Sure? Contact Us
Lenovo power supplies use proprietary connectors, so compatibility is critical. If you‘ve checked the model numbers but still aren’t 100% sure, don‘t guess. Send us a photo of your original power supply’s label and the connectors, and we will confirm compatibility for you.
Contact Nadalan:
- Email: gc_ds@sina.com
- Phone / WhatsApp: +0086 18062682902
Order today and get your Lenovo desktop back up and running with reliable, quality-guaranteed power!