44W4899 IBM System x3550 Power Supply Backplane

The 44W4899 is an internal system management controller engineered to deliver unified administration infrastructure across hardware configurations. Serving as the primary power supply backplane board inside enterprise rackmount server frames, this interconnect circuit card bridges dual redundant power supply modules to distribute clean DC voltage rails uniformly across the main system board and peripheral drives. Built to handle the heavy multi-channel electrical loads of continuous virtualization hosting and high-availability enterprise computing, the multi-layered PCB features robust trace safety margins. This fault-isolated layout isolates critical power distribution lines cleanly, shielding core processing lanes against electrical spikes or single-point-of-failure power disruptions during mission-critical operation cycles.

Alternative Part Numbers

• 39Y6972
• L81077J
• 44W4899

• Brand: