power supply charge distribution

My new server has a new internal power supply ANTEC  550 WATT AT x 12 V v2.3
This model has 3 +12v rails,
Is it ok if I conected all three HDDs to one rail or is it better to use three rails one for each HDD??
Regards,
RGuillermoProject ManagerAsked:
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als315Connect With a Mentor Commented:
According to tests, max current (one voltage) for single HDD is near 1A. As you can see in power supply specifications:
http://www.antec.com/pdf/manuals/TP-550_Manual_EN.pdf
max current for one rail is 20A, so you can connect all drives to one rail.
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RGuillermoProject ManagerAuthor Commented:
Thank you!
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