Features: High performances metal CPU cooling fan for 5458 5459 5558 5559 5755 5758 Vostro 3458 3558 ensures efficient heat dissipation and whispers quiet operations under heavy workloads. Precisions engineered with metal construction for compatibility and long durability, eliminating overheating issue during extended laptop usage. Perfect for students, professional, and multiple taskers requiring thermals management in quiet environment like offices, libraries, or home workspaces. Maintains optimal laptop performances during intensive computings tasks, gaming, or multimedia processing with advanceds heat dispersion technology. Toolless maintenance allows dust removal through its accessible structure, preserving cooling efficiency across various environment from dusty workshops to air conditioned space. Specifications: Component: Metal Current: DC5V 0.5A Connection: 4pin for 5458 5459 5558 5559 5755 5758 Vostro 3458 3558 Package Includes: 1PC CPU Cooling Fan note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!