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563 posts

Ultimate Geek
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Topic # 150784 3-Aug-2014 09:41
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My system is: http://ark.intel.com/products/56413/Intel-Server-System-P4308CP4MHGC

 

  • Dual 750W redundant power supplies
  • Dual Xeon E5-2630v2 CPU
  • Up to 16 RAM DIMM (currently 8)
  • Up to 8 7200k SATA HDD (current 5 + 2 SSD)
  • 1x DVD Drive
  • 3x PCIe Cards; SoundBlaster, 4 Port USB 3.0, ATI FirePro 2460 Quad MiniDP
Only need UPS to support shutdown of system (enough time to save VMs state) and possibly UFB ONT (~15W consumption) / HG659 (<24W consumption) router for the same amount of time to send alerts etc.

I'm currently looking on PriceSpy so should I be safe to go for a UPS rated for >800W and up to around 10min (less for lower wattage)?

Also looking at: http://www.pbtech.co.nz/index.php?z=p&p=UPSBLZ02200&name=Blazer-II-2200VA1100W-Line-Interactive-UPS--12V9Ah

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7221 posts

Uber Geek
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  Reply # 1100987 3-Aug-2014 09:45
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http://www.geekzone.co.nz/forums.asp?forumId=86&topicId=150567

have a read of that thread, has some good info in it and may help you out some what



563 posts

Ultimate Geek
+1 received by user: 89


  Reply # 1101008 3-Aug-2014 10:25
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Jase2985: http://www.geekzone.co.nz/forums.asp?forumId=86&topicId=150567

have a read of that thread, has some good info in it and may help you out some what


Yeah had a look at that thread. I know *cheap* UPS's aren't recommended however I'd be happy with 12mth use for <$200 if it met the spec, don't mind paying a bit more though if necessary.

In particular I'm interested in advice on my server system itself as I have no way of measuring actual power consumption, only going by the two PSU ratings of 750W each (redundant) so am I safe to base my calculations off up to 750W power consumption or should I allow for X overhead / efficiency?



 
 
 
 


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Uber Geek
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  Reply # 1101048 3-Aug-2014 12:15
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we have a similar server at work with slightly less drives, and each power supply use about 150w so 300w's all up.

i wouldn't load the ups over 50% of its rated wattage. as it will drain that much quicker and allow you room to expand

buy a more expensive one and speed $200 every 3-5 years on batteries, works out better in the long run



563 posts

Ultimate Geek
+1 received by user: 89


  Reply # 1101368 3-Aug-2014 23:35
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Jase2985: we have a similar server at work with slightly less drives, and each power supply use about 150w so 300w's all up.


I'm not sure if that's how my one works. It seems like it only uses one PSU (solid light on) and the other goes into standby (flashing light) until it detects one is offline.

I ended up going with the Blazer II 2200VA for $200 from PBTech and seems good so far. With 2yr warranty and redundant PSU to carry out tests (or even stick on another UPS) not sure how much can go wrong.



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