Best answer by camView original
110, 220. Whatever it takes?
I was looking for confirmation about a statement that I recently heard that the best practice for the power supply voltage for a block was 220 volts. And that if 110 volts was used, it was less likely that one power supply could handle the load if one power supply failed. Thank you.
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See here for the spec sheet: http://go.nutanix.com/rs/nutanix/images/Nutanix_Spec_Sheet.pdf
If the model lists 100-240v as acceptable then that means that particular block supports 110v. However, if it lists 180-240v then you will need 208v in order for the block to be supported in a fully redundant manner, meaning that a single PS in the block can support all of the components running within it.