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The iTech Blog

Posted on November 20, 2019

Most IBM i customers have an ERP package on their IBM Power server that runs their business.  Typically, a small or mid-sized company can comfortably operate with one Power9 core activation, that provides a CPW of 13,125.  The IBM Power9 model S914 has two processor options, a 4-core, and a 6-core.  Which one do you get if you only need 1 core activation?  The 4-core server is physically the same as the 6-core server, except for the processor and the other differences shown in the table below.

Feature 4-core 6-core
Maximum Cores 4 6
Maximum Memory 64GB 1TB
Maximum Internal Disk Drives 10 (283GB HDD or 387GB SSD) 672, many HDD & SSD sizes
BUS Expansion None 1 drawer – 6 adapter slots
Software Tier Group P05 P10

Let’s discuss each of these differences in more detail: