


Any questions? Our AI beta will help you find out quickly.
Aomoproing 260W Power Supply is a high-quality direct replacement unit engineered for Dell ChengMing 3990 MT, 3991 MT, and Vostro 3888 MT tower desktop and server systems. It is fully compatible with original Dell part numbers H260EBS-00, L260EBS-00, D260EBS-00, and AC260EBS-00, delivering a steady 260W continuous power output to support daily computing, small business servers, and industrial embedded applications.
This power supply features a wide 90-264V AC input range (47-63Hz) and active power factor correction (PFC) to ensure high energy efficiency and stable voltage delivery across varying power conditions. It comes equipped with standard 8pin+4pin+4pin connectors for perfect compatibility with Dell motherboards, enabling straightforward plug-and-play installation without modification.
Built with industrial-grade components, this unit includes comprehensive safety protections: Over-Voltage (OVP), Over-Current (OCP), Short-Circuit (SCP), and Over-Temperature (OTP) safeguards to protect your critical hardware from electrical damage. Designed for quiet, 24/7 continuous operation, it uses a high-performance cooling fan for optimal thermal management. Each power supply undergoes strict load testing, aging testing, and compatibility verification to meet OEM reliability standards, making it the ideal choice for system repair, maintenance, and upgrades for your Dell 3990/3991/3888 MT infrastructure.