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choosing the right UPS

S

sanrivaldo2

Member
hi, could someone recommend me a good UPS for my specs?

Athlon 64 3000+
nforce4 ultra board
6600gt PCI-E
1 SATA hdd
1 DVD-rw
floppy
3 case fans
450w PSU
audigy 2 sound card
tv tuner card
5.1 speakers
19" crt monitor

i want something that would let me close everything safely...dont need special features..just that

thanks

 
Got a budget? I personally went with an APC unit a few weeks ago. It's a 1500BX/XS model and was on sale for $150 after instant rebate. This unit offers AVR, which stands for automatic voltage regulation. It basically ensures a constant and consistent 120V line to your components. It also comes with a really nice PC interface software utility and USB cable.
 
Oh yeah, don't get me wrong, it's just fine. However, the higher-end UPSes offer more features and have more technology to save your computer from being fried by a storm or whatever may happen. Personally, I went with that large unit because I have a lot of storage and important data backed up onto it and I don't want to risk it. Even if you had an external harddisk powered off that was left plugged in to the outlet and to the computer, it is still vulnerable to such attacks.

In a nutshell, yes, that one is plenty fine. I'm assuming you live in Brazil? 😉
 
Originally posted by: sanrivaldo2
i am on a really low budget...like $70....i was thinking on the Back-UPS ES 500 Brazil

is that fine?
Click to expand...

It depends!

Look at "Output power capacity". It is only 300 Watts. You need to connect your monitor to it too so that if you lose power, you can see what is going on. That means if you have a CRT, it leaves 200 Watts for your computer. If that is enough for your computer, it is fine.

If your PC needs more power, you may need a UPS that can provide more power.
 
something to consider . . . if you already have one UPS or can get TWO cheap ones (see Hot Deals) you can use one for your tower and one for your CRT. 😉
 
Originally posted by: Navid
It depends!

Look at "Output power capacity". It is only 300 Watts. You need to connect your monitor to it too so that if you lose power, you can see what is going on. That means if you have a CRT, it leaves 200 Watts for your computer. If that is enough for your computer, it is fine.

If your PC needs more power, you may need a UPS that can provide more power.
Click to expand...


i really dont know how much output power will my computer be...the parts are on the way here....so looking at the specs, what do you think???
 
Originally posted by: sanrivaldo2
Originally posted by: Navid
It depends!

Look at "Output power capacity". It is only 300 Watts. You need to connect your monitor to it too so that if you lose power, you can see what is going on. That means if you have a CRT, it leaves 200 Watts for your computer. If that is enough for your computer, it is fine.

If your PC needs more power, you may need a UPS that can provide more power.
Click to expand...


i really dont know how much output power will my computer be...the parts are on the way here....so looking at the specs, what do you think???
Click to expand...
it looks ok.

only you can tell for sure when you plug it in if it is sufficient for you . . . . it probably will last a couple of minutes if it is not instantly overwhelmed - it may also depend on what power your computer is using at the moment power goes out and also if you O/C your components . . . . the solution in this situation is to get a really cheap second one.

Where do you live in Brasil?

 
Originally posted by: sanrivaldo2
Originally posted by: Navid
It depends!

Look at "Output power capacity". It is only 300 Watts. You need to connect your monitor to it too so that if you lose power, you can see what is going on. That means if you have a CRT, it leaves 200 Watts for your computer. If that is enough for your computer, it is fine.

If your PC needs more power, you may need a UPS that can provide more power.
Click to expand...


i really dont know how much output power will my computer be...the parts are on the way here....so looking at the specs, what do you think???
Click to expand...

Your CRT needs about 100W. That leaves only 200W for your PC. You have a 450W power supply!

Often people confuse the maximum power capability of a UPS with its energy capacity. The two are not related at all.

The maximum power a UPS can safely provide has to do with its output resistance and its efficiency. Only the manufacturer can improve the maximum power of a UPS. If they do that, but, put a very small battery in the UPS, the UPS will run out of juice very fast even though it can deliver high instantaneous power while the battery lasts.

The time it takes for the UPS battery to run out, after you lose the line power, has to do with the energy capacity of the battery. You can plug in 20 batteries, in parallel, and your UPS will be up and running for 2 hours. But, that does not mean that it can provide more power.

Power is the energy delivered in unit time. How fast a device can deliver energy is its power capability.
How long it can deliver energy is its capacity.
You need to improve different sections of the device in order to improve each of the two.

I would get at least a 400W UPS for that system.
 
Originally posted by: Navid

Your CRT needs about 100W. That leaves only 200W for your PC. You have a 450W power supply!

Often people confuse the maximum power capability of a UPS with its energy capacity. The two are not related at all.

The maximum power a UPS can safely provide has to do with its output resistance and its efficiency. Only the manufacturer can improve the maximum power of a UPS. If they do that, but, put a very small battery in the UPS, the UPS will run out of juice very fast even though it can deliver high instantaneous power while the battery lasts.

The time it takes for the UPS battery to run out, after you lose the line power, has to do with the energy capacity of the battery. You can plug in 20 batteries, in parallel, and your UPS will be up and running for 2 hours. But, that does not mean that it can provide more power.

Power is the energy delivered in unit time. How fast a device can deliver energy is its power capability.
How long it can deliver energy is its capacity.
You need to improve different sections of the device in order to improve each of the two.

I would get at least a 400W UPS for that system.
Click to expand...

i will see if theres someone selling 400w in here...i think it will be expensive here in Panama

 
Originally posted by: sanrivaldo2
ok i just pass by a local store and i found this model:

APC 725VA BACK-UPS ES, Model "BE725BB"

its $100 and the one i post before is $65

so, it is worth for my specs to buy the $100??? or the $65 will do the work too???
Click to expand...

This one is 450W. So, it is an excellent equipment.
But, wait for more suggestions from others.
I cannot tell you that for sure you need this one. It has a lot to do with how much power your PC will need. I just made an estimate.
 
thanks a lot navid, now i need to find something to calculate my computer load =)

the parts should be arriving today or tomorrow, so i need to know soon
 
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