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Recommend a UPS?

sdotbrucato

[H]ard|Gawd
Joined
Oct 7, 2005
Messages
1,722
Not really sure where this belongs but I guess general hardware is a proper place.

Anyway....

I'm working for a small business that is in the middle of upgrading its computer systems/network and currently they have tiny UPSs for there very tiny computers. They're looking at upgrading to AMD AM2 Sempys and want UPSs that could handle the 550W PSUs going in them.

In one location, two computers are going to be close enough to share a UPS so I need a recommendation on a UPS that could handle, 2 550W PSUs, and 2 CRT monitors, a printer, and a router.

And another recommendation for a UPS that will handle just a 550W PSU and a CRT monitor, and maybe some other small periphs like a printer, or scanner.

Thanks in advance.
 
printers arent recommended to be hooked up to UPS units, since they draw alot of power, same thing goes for scanners. and when a storm or whatnot happens, i doubt you will be scanning documents. I have a 1100va belkin. it supports the rig in my sig, with the 2 LCDs an external HDD, my cordless phone and my cell phone charger.

so from that, you can base your conclusions on how big of a unit you need. they do get pretty pricey after 1100va or so. if you want look into buying the units off ebay, and then buy new batterys from the manufacturer. dunno how much that'll save ya.

good luck
 
1 No Laser printers on a UPS as stated above.
2 Your PSU doesn't draw 550w on those systems
3 The sticky at the top of the page includes a link to a sizing page
 
prob draws 300 @ best. and the advertised rates are usually over-exagerated anyways....
 
chronic9 said:
prob draws 300 @ best. and the advertised rates are usually over-exagerated anyways....

He means that a Sempron system can't draw 550W continuously....it's probably closer to 200W continuous on average.

I own this :http://catalog.belkin.com/IWCatProductPage.process?Product_Id=171926

It runs the sistem in my signature for 5 minutes, including an LCD monitor and external hard drive. It would probably be less with a CRT.
 
A good OptiUPS 1100 VA would do the trick. They are cheap enough through commercial dealers like CDW and TigerDirect and are line interactive type with a step output.
 
So I should be looking for a UPS that could handle ~800 watts or so for the big one, and a ~500 watt UPS for the little?

Sorry I'm a little slow.

Also I live in Florida, where an afternoon storm, has fried many printers in the past. Horrible surges in my area. THats why I through in the printer, into the mix.
 
d3c1us said:
So I should be looking for a UPS that could handle ~800 watts or so for the big one, and a ~500 watt UPS for the little?

Sorry I'm a little slow.

Also I live in Florida, where an afternoon storm, has fried many printers in the past. Horrible surges in my area. THats why I through in the printer, into the mix.

Ok... You might wan to do this....

Get a Kill-A-Watt and see what the printer is pulling when it warms up.

I wouldn't say put it on a UPS necessarily, but perhaps an AVR.

Tiger has a "Power Up" (relabeled Powercom) AVR 2000VA for only $40.00

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1779381&CatId=0

It's "only" 100 joules, but the giant transformer that regulates the power is enough to stop almost any surge.

I actually have one of these before my Variac when I do my PSU load tests.
 
jonnyGURU said:
It's "only" 100 joules, but the giant transformer that regulates the power is enough to stop almost any surge.
Shipping weight is only 4 pounds... that doesn't sound all that giant to me. :p

 
unhappy_mage said:
Shipping weight is only 4 pounds... that doesn't sound all that giant to me. :p


It's not. Sorry. It's JUST an AVR. But do you really need a UPS for your printer? Do you really need to have your printer working during a power outage so you can print "Help me! Power's out!" fliers to put up around the neighborhood?'

I've found that for heavy loads that don't need battery back up, an AVR is perfect. They're cheap and 2000VA is likely enough since the circuit breakers in your house are probably only good for 2070VA each (as per UL guidelines for 20A fuses/breakers.)
 
I think I understand your problem. You have severe serge problems that you have to correct. These surges are frying your client’s computer equipment. I also expect that you do have times that your power does go out for several minutes at a time. Your printers may be printing documents at the time of the surges or power outages. You are trying to save your client money by also saving the printers. I will presume that your client would like to keep the server computer up and running during an outage for a period of time.

I have a recommendation for you that is a monster in weight but is light on the pocketbook. I have one and love it. It has 6 battery controlled outlets and will take care of both computers and the printer and give you a lot of backup time. It has 4 batteries and is about 70 pounds and it has never failed me. Approx. $250.00 read the reviews also.

http://www.newegg.com/Product/Product.asp?Item=N82E16842102006
 
Okay, well I think this is what I'm going to do, let me know if it sounds like the right thing.

For the printer and the All-In-One put it on a AVR. Put the server and the computer used to make backups, on a little bit bigger battery, as to have time to backup the files and such. For the other two nodes, give enough time to save and shutdown.

I know theres a suggest a UPS link as a sticky, but what would you fine people suggest for the server/backup computer UPS and what UPS for the other two computers?

If not brand, what stats, (wattage and VA)?
 
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