Lenovo - Power supply - 2500 Watt - for Flex System x440 Compute Node
MacMall Part #: 9106875
Manufacturer Part #: 43W9049
IBM Flex System Enterprise Chassis 2500W Power Module (1 Power supply)
The chassis allows configurations of power supplies to give N+N or N+1 redundancy. A fully configured chassis operates on only three 2500W power-supply units (PSUs) with no redundancy, but N+1 or N+N is advised. Three power supplies (or six with N+N redundancy) allow for a balanced three-phase configuration.
All power supply modules are combined into a single power domain within the chassis, which distributes power to each of the compute nodes, I/O modules, and ancillary components through the Enterprise Chassis midplane. The midplane is a highly reliable design with no active components. Each power supply is designed to provide fault isolation and is hot swappable.
There is power monitoring of both the dc and ac signals from the power supplies, which allows the Chassis Management Module to accurately monitor these signals.
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