Overview - Hitachi Compute Blade 500 Series System Overview Manual

Figure 1-14 Storage Expansion Blade
Figure 1-15 PCI Expansion Blade
Figure 1-16 Full-wide Blade
With CB 520X B1/B2, you can connect two server blades using the 2-blade
SMP connection board to create SMP configuration with four CPUs and you
can connect four server blades using the 4-blade SMP connection board to
create SMP configuration with eight CPUs shown in the following figure. SMP
function stands for Symmetric Multi Processing (SMP) between server blades.
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System Overview
Hitachi Compute Blade 500 Series System Overview Guide