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Server room - 110V or 220V?
A client is building a new facility. Should the voltage in server room be 110v or 220v? Or, this does not matter? I saw 220 was better, i forgot the reasoning.
The voltage in their current server room is 110. I don't see a problem.
Thanks!
The voltage in their current server room is 110. I don't see a problem.
Thanks!
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Some kit won't work properly on 120v, Cisco Nexus 7K for example cannot be fully populated if the PSUs are fed with 110v, HPE's new blade enclosure PSUs are 240V only, the old ones were 120/240 but again you could not fully populate the enclosure at 120v.
Bottom line is ... it DEPENDS on what you have and what you plan on having.
Nobody here knows that, so some assumptions are being made based on personal experiences.
I have numerous devices in my server room, that do not have a switchable psu, and they are not "old" devices.
You need to consult the electrician, because changing it later can be a real pain in the backside sometimes.
That's why I tend to lean toward having a little of both.
Again... make sure you have enough circuits with amperage to handle the equipment you have already., make sure those circuits are independent from the rest of the building as well (if possible)
Nobody here knows that, so some assumptions are being made based on personal experiences.
I have numerous devices in my server room, that do not have a switchable psu, and they are not "old" devices.
You need to consult the electrician, because changing it later can be a real pain in the backside sometimes.
That's why I tend to lean toward having a little of both.
Again... make sure you have enough circuits with amperage to handle the equipment you have already., make sure those circuits are independent from the rest of the building as well (if possible)
@AndyAlder Good point. All of the high density storage we deploy are 220v only. So, best to check systems and devices for voltage and amperage draw for sure!
Numerous devices Ron? Ignoring UPS and other mains controlling equipment I've rarely seen computer equipment that is 110 or 240V only. Still, having both is preferable, I have a 240 to 120v transformer a builder left behind that I used to prove that you can run dual PSU servers on both voltages at the same time. (in the UK builders use 110v because it's safer.)
Well that's just it... I don't have just computer equipment in my server room.
...And my point was...we don't know what his client has either, only he knows that.
They may very well have equipment that is a decade old. I certainly do.
From the questioner: "The voltage in their current server room is 110"
Why add cost if it's not necessary? If there is a possibility you will need it, however, then get it because it's better to do it now than later.
...And my point was...we don't know what his client has either, only he knows that.
They may very well have equipment that is a decade old. I certainly do.
From the questioner: "The voltage in their current server room is 110"
Why add cost if it's not necessary? If there is a possibility you will need it, however, then get it because it's better to do it now than later.
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Thank you all!
One 220V is minimum, maybe 2. I will think this over.
One 220V is minimum, maybe 2. I will think this over.
Two is always preferable so the left and right side PDUs can be fed separately. As Ron Malmstead says they'll also need 110v for the vacuum cleaner.