Lenovo Desktop Power Supply Replacement Guide – 250W HK350-12PP for Qitian & Yangtian Series
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Product link: https://nadalan-power.com/products/lenovo-power-supply-hk350-12pp
Is Your Lenovo Desktop Having Power Issues? Here‘s Your 250W Replacement & Upgrade Guide
If you own a Lenovo Qitian (M4600, M4650) or Yangtian (M4200f, M4900c, M6600, T6900c, M8600T, M6600T) desktop and are experiencing power failures, random shutdowns, or simply want to upgrade from a lower-wattage power supply, you’ve come to the right place.
Lenovo uses specific power supply designs for their business desktop lines. This 250W unit is unique because it is compatible with low-power 180W computers that have the same interface – allowing you to upgrade for more power headroom.
This guide will help you quickly identify if the 250W HK350-12PP Power Supply is the right match for your Lenovo computer.
Quick Compatibility Check
This 250W power supply is specifically designed for the following Lenovo desktop models:
Lenovo Qitian Series (启天系列):
| Series | Compatible Models |
| Qitian M Series | M4600, M4650 |
Lenovo Yangtian Series (扬天系列):
| Series | Compatible Models |
| Yangtian M Series | M4200f, M4900c, M6600, M8600T, M6600T |
| Yangtian T Series | T6900c |
Upgrade Compatibility:
| Original Power | Compatible? |
| 180W PSU (same interface) | ✅ Yes – upgrade to 250W |
✅ Note: This power supply is compatible with low-power 180W requirement computers that have the same 10-pin interface.
Compatible Power Supply Models
This power supply replaces the following Lenovo power supply models:
| Model Number | Compatible? |
| HK350-12PP | ✅ Yes (main model) |
| PCE026 | ✅ Yes |
| FSP250-30AGBAA | ✅ Yes |
| PA-3251-1 | ✅ Yes |
Compatible Part Numbers:
| Part Number | Compatible? |
| 54Y8934 | ✅ Yes |
| 00PC736 | ✅ Yes |
💡 Tip: Simply remove your old power supply and check the sticker on top. If you see HK350-12PP, PCE026, FSP250-30AGBAA, PA-3251-1, 54Y8934, or 00PC736, this replacement will work perfectly.
Key Specifications at a Glance
| Specification | Detail |
| Model Numbers | HK350-12PP, PCE026, FSP250-30AGBAA, PA-3251-1 |
| Rated Power | 250W |
| Dimensions (L×W×H) | 150 × 86 × 140 mm |
| Efficiency | 80+ Bronze Certified |
| Cooling | Temperature-controlled silent fan, standard silent fan |
| Form Factor | Lenovo proprietary desktop |
| Application | Lenovo Qitian & Yangtian desktops |
Connector Configuration – The Most Important Check
| Interface Type | Connector | Quantity |
| Motherboard Main Power | 10-pin (proprietary) | 1 |
| CPU Power | 4-pin | 1 |
⚠️ Special Note: This power supply uses a proprietary 10-pin Lenovo motherboard connector – not the standard 24-pin ATX connector. Do not attempt to use this on a standard motherboard.
Special Features – Quality & Performance
| Feature | Benefit |
| 80+ Bronze Certified | Up to 85% efficiency – lower energy bills, less heat |
| Temperature-Controlled Silent Fan | Quiet operation – fan speed adjusts to system temperature |
| Standard Silent Fan | Optimized for office and home environments |
| Efficient & Energy-Saving | Reduced power consumption |
| Upgrade Capability | Replaces 180W PSUs with same interface |
✅ Efficient and energy-saving, standard silent fan, temperature-controlled silent design, 80+ Bronze certification.
Why This Connector is Different:
Standard ATX power supplies use a 20-pin or 24-pin motherboard connector. Lenovo uses a proprietary 10-pin connector with a different pinout and physical configuration. Do not attempt to force a standard ATX power supply into this motherboard.
Upgrade Compatibility Note:
✅ This power supply is compatible with low-power 180W requirement computers with the same interface.
If your current Lenovo desktop has a 180W power supply with the same 10-pin interface, you can upgrade to this 250W unit for:
- More power headroom for additional components
- Better stability under load
- Future upgrade capability
- 80+ Bronze efficiency for lower energy costs
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 | 150 mm |
| Width | 86 mm |
| Height | 140 mm |
Why Choose This 250W Replacement Power Supply?
| Feature | Benefit |
| Lenovo Specific | Designed for Qitian M4600/M4650, Yangtian M4200f/M6600/M8600T |
| 80+ Bronze Efficiency | Energy-saving, lower electricity costs |
| Silent Operation | Temperature-controlled silent fan – quiet performance |
| Upgrade Capability | Replaces 180W PSUs with same 10-pin interface |
| Direct Replacement | No adapter or modification needed – works right out of the box |
| Wide Compatibility | Replaces 4+ different Lenovo model numbers |
| Proprietary 10-pin | Matches Lenovo 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 Qitian M4600, M4650
- Lenovo Yangtian M4200f, M4900c, M6600, T6900c, M8600T, M6600T
- Low-power 180W requirement computers with the same 10-pin interface
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 10-pin and 4-pin connectors.
- Take a photo of the connector layout before disconnecting – this is critical due to the proprietary 10-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?
Qitian: M4600, M4650
Yangtian: M4200f, M4900c, M6600, T6900c, M8600T, M6600T
Q2: What are the compatible power supply model numbers?
HK350-12PP, PCE026, FSP250-30AGBAA, PA-3251-1.
Q3: What are the compatible part numbers?
54Y8934, 00PC736.
Q4: What connectors does this power supply have?
1x 10-pin (proprietary Lenovo motherboard connector) and 1x 4-pin CPU connector.
Q5: Can I upgrade from a 180W Lenovo power supply to this 250W unit?
Yes. This power supply is compatible with low-power 180W requirement computers with the same interface.
Q6: What is the efficiency rating?
80+ Bronze Certified – efficient and energy-saving.
Q7: What cooling system does it use?
Temperature-controlled silent fan – standard silent fan with temperature-controlled silent design.
Q8: What are the physical dimensions?
150mm × 86mm × 140mm.
Q9: What is the rated power?
250W.
Q10: Will this work with Lenovo Qitian M4600?
Yes – M4600 is specifically listed as compatible.
Q11: Will this work with Lenovo Yangtian M6600?
Yes – M6600 is specifically listed as compatible.
Q12: Will this work with a standard ATX motherboard?
No. This uses a Lenovo proprietary 10-pin connector and is designed specifically for Lenovo desktops.
Q13: What is the warranty period?
Nadalan offers a 1-year warranty on this power supply.
Q14: How long does shipping take?
Approximately 10 days by air freight. Tax and duty included for most countries.
Q15: 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 Qitian or Yangtian desktop back up and running with reliable, efficient, and quiet 80+ Bronze power!