Brand: Lenovo · SKU: 54Y8859 · MPN: 54Y8859 · Category: Components
The Lenovo 54Y8859 is a genuine 240W power supply unit designed for Lenovo ThinkCentre small form factor (SFF) desktop systems, including models M70e, M71e, M81, M90, M91, and M91p. This reliable PSU delivers a rated power output of 240W, ensuring stable and efficient power for office productivity, business applications, and general computing tasks in compact setups. It supports universal input voltage from 100-240V and features a TFX form factor for compact chassis. Built-in protection features include Over Voltage Protection (OVP), Over Current Protection (OCP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP). It is non-modular and typically includes essential connectors like a 24-pin ATX motherboard connector, 4-pin CPU power, and SATA connections. Some sources indicate it has 80+ Bronze efficiency certification for energy efficiency. It is also listed as a replacement/cross-compatible part for numbers such as 54Y8846, 54Y8819, 54Y8820, 54Y8822, 54Y8824, 54Y882
| Modularity | Non Modular |
|---|---|
| Form Factor | TFX |
| Power Rating | 240W |
| Input Voltage | 100–240 V |
| 80 Plus Rating | 80+ Bronze (some sources) |
| Weight (Reported) | 1.50 Kilogram |
| Protection Features | OVP, OTP, OCP, SCP |
| Compatibility (Models) | ThinkCentre M70e, M71e, M81, M90, M91, M91p, M58, M82, M92 (and similar SFF/MT) |
| Warranty | 1 Year |
| Weight | 1.5 Kilograms (kg) |
| Dimensions | 5.00 inches x 5.00 inches x 5.00 inches (Package Box) |
Genuine OEM replacement 240W TFX power supply for various Lenovo ThinkCentre Small Form Factor (SFF) desktop series. Features include 80+ Bronze efficiency, universal input voltage, essential protection circuits, and a quiet cooling fan.
Yes, this Lenovo 240W TFX Power Supply Unit (PSU) (54Y8859) is 100% genuine Lenovo hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Lenovo 240W TFX Power Supply Unit (PSU) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 54Y8859.