IBM 5138 Redundant 435 Watt Power Supply for the i5 series.
The IBM System i5 Model 520 is designed for small to mid-sized businesses. These are clients that need power and capacity to run traditional core business applications, with the freedom and scalability to add new applications to the same system. The advanced POWER5 processor models come with faster POWER5 processors that deliver improved scalability and have noticeably improved capacity for solutions using Java or WebSphere. The 9406 Model 520 now has more flexibility with Capacity on Demand for a 1/2-way processor in the Standard, Enterprise, Solution and High Availability Editions that are based on them, can use a new Accelerator for System i5 to conveniently provide more processor CPW if required.