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Forum Discussion
Need a List of UPS for ReadyNAS Ultra 4 Plus unit
I just brought a ReadyNAS Ultra 4 Plus. And now need a UPS. Does anyone know a UPS that work with ReadyNAS Ultra 4 Plus? Thanks in advance, Sam My RAIDar said version 4.2.19
I found this list. I can't tell you if it's current or not: http://www.readynas.com/?page_id=92.
One thing that seems missing from discussions about compatible UPS's is whether or not ReadyNAS Ultras have active PFC power supplies and whether or not compatible UPS's output pure sine wave signals to properly feed PFC power supplies.
This thread seems to hint at it: http://www.readynas.com/forum/viewtopic.php?f=88&t=48761&p=279403&hilit=sinus#p279403 ("sinus" = "sine")
Another individual created a ReadyNAS compatibility list on Amazon, but makes no mention of PFC consideration: http://www.amazon.com/UPS-for-NETGEAR-ReadyNAS/lm/RRYNRRGBHAMM5/ref=cm_srch_res_rpli_alt_1
Is there a consensus yet? Feeding PFC power supplies with "approximated sine wave" backup power can either result in the power supply shutting down to protect itself (negating the whole purpose of having a UPS) or can result in damage to the PFC power supply.
One thing that seems missing from discussions about compatible UPS's is whether or not ReadyNAS Ultras have active PFC power supplies and whether or not compatible UPS's output pure sine wave signals to properly feed PFC power supplies.
This thread seems to hint at it: http://www.readynas.com/forum/viewtopic.php?f=88&t=48761&p=279403&hilit=sinus#p279403 ("sinus" = "sine")
Another individual created a ReadyNAS compatibility list on Amazon, but makes no mention of PFC consideration: http://www.amazon.com/UPS-for-NETGEAR-ReadyNAS/lm/RRYNRRGBHAMM5/ref=cm_srch_res_rpli_alt_1
Is there a consensus yet? Feeding PFC power supplies with "approximated sine wave" backup power can either result in the power supply shutting down to protect itself (negating the whole purpose of having a UPS) or can result in damage to the PFC power supply.
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