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So Apparently I should have a UPS power thing - Page 3

post #21 of 58
Quote:
Originally Posted by KG363 View Post
Wow so I don't need such a large unit. I think I'm gonna go with a 500w one to be safe
Yeah remember the cronic over speccing of PSUs ...
For example you're rocking an 850W PSU...
I would never see you breaking past 400W (AT FULL LOAD)... unless you install a bunch more HDDs and Fans, but even then they don't add up to much...

The reason everyone overspecs is; one because a lot of PSUs are more effcient when around half load; and two because Chinese low-end PSUs blatantly lie about their ratings. Also for future upgrades I guess
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post #22 of 58
Quote:
Originally Posted by KG363 View Post
This is what I understand so far:
- get APC or Cyberpower
..
- good to have with all the storms and such (like right now lol)
I am confused. I thought you were concerned with transient protection. Why are you discussing battery backup - temporary power - for transient protection? Those are two completely different electrical anomalies that are addressed at different locations.

The UPS is only for temporary power - to provide time to save unsaved data. Even its own specs make no claims for transient protection. Any voltage variations are already adjusted inside every computer. Any noise that might be incoming is massively filtered already inside every computer. If fact, some of the 'dirtiest' power a computer will see comes from a UPS in battery backup mode.

Do you want 'clean' power or temporary power. UPS is only a very 'dirty' temporary power device.
post #23 of 58
Thread Starter 
Quote:
Originally Posted by westom View Post
I am confused. I thought you were concerned with transient protection. Why are you discussing battery backup - temporary power - for transient protection? Those are two completely different electrical anomalies that are addressed at different locations.

The UPS is only for temporary power - to provide time to save unsaved data. Even its own specs make no claims for transient protection. Any voltage variations are already adjusted inside every computer. Any noise that might be incoming is massively filtered already inside every computer. If fact, some of the 'dirtiest' power a computer will see comes from a UPS in battery backup mode.

Do you want 'clean' power or temporary power. UPS is only a very 'dirty' temporary power device.
whatever keeps my system safe. We have lots of storms and power outages. My understanding is that data loss and hardware failure come from sudden shutdown, but I may be wrong. I really don't know what I need, that's why I made this thread
post #24 of 58
go to home depot lol
post #25 of 58
Quote:
Originally Posted by KG363 View Post
whatever keeps my system safe. We have lots of storms and power outages. My understanding is that data loss and hardware failure come from sudden shutdown, but I may be wrong.
When does a disk drive first learn that power is going off? When DC voltages inside the computer first start to drop. All power off looks exactly same to the disk drive. All power offs are sudden to all electronics. Sudden in that DC voltages suddenly and slowly start to drop without warning. And that must never cause damage.

If yanking the power cord from the wall does damage, then shutdown also does the same hardware damage. To electronics, both power offs look same.

Loss of power can destroy unsaved data. UPS provides time to save that Word file. A typical UPS does nothing else. View its spec numbers. However when in battery backup mode, the computer now suffers 'dirtiest' electricity from the UPS battery.

UPS manufacturer recommend no motorized appliances or power strip protectors on their output. And don't say why. Because power from a UPS (in battery backup mode) may be harmful to small electric motors and protectors. Electricity is that 'dirty'. But all computers (even before the IBM PC) are required to be more robust. A UPS that cannot harm a computer can be harmful to small electric motors. Computers are that more robust.

Also required - voltages can drop so low that incandescent bulbs dim to 40% intensity. That is ideal voltage to a computer. And that is harmful voltage to your refrigerator. Voltage regulation inside every computer power supply must be so good that bulbs can dim to 40% - as required even by Intel specs. But if voltage drops below 5%, then refrigerators, air conditioners, dishwashers, and the furnace are at risk.

Again, define the problem before you want to fix it. That UPS has only one function - to protect from data loss. Hardware protection is located elsewhere. Most electrical anomalies that might damage a computer are made irrelevant by protection already inside every computer. Your concern is an anomaly that may occurs typically once every seven years. And that solution is located elsewhere.
post #26 of 58
600W(1000VA) Battery Backup/1080 joules UPS $119 with free shipping ->

http://www.newegg.com/Product/Produc...-082-_-Product

or just surge suppression without battery backup ->

3240 joules of surge suppresion -> $38.99 + $7.87 shipping

http://www.newegg.com/Product/Produc...82E16812120302
Edited by cr1 - 6/8/10 at 9:11am
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post #27 of 58
Thread Starter 
So I'm fine the way I am? My PSU can take care of anything that mother nature throws at me? lol that's good to hear

Then why does everyone suggest a UPS? Is it just misinformation or am I misunderstanding what they are saying
post #28 of 58
Hmmm, I'll put my two cents in . This is the one that I own. I got it after a bad situation in my dorm at college. I like it because the LCD display on it will give you very helpful info. With my sig rig idling, or while doing light tasks (Firefox and iTunes) I apparently have about 5-6 minutes. Also, it gives you the reading of what the wall is outputting. All this can be seen on the LCD display.

It's nice, and has done it's job so far. Had the power go out while watching a Youtube video and working on some school work. everything else went out, and I was like...how the heck is my PC still on...then I remembered the UPS. It happened another time while I was playing BC2 and instantly shut down, but that's understandable. It's not only good as just keeping your PC on when your power craps out, but also protects against surges, brown outs, and spikes much better than a regular surge protector.

Also, as far as customer service goes, the first unit I got from newegg was a lower model that CyberPower doesn't manufacture anymore. The battery went "kaput" in about 2 days. Emailed CyberPower and received an email within 2 hours. They emailed me a shipping label for UPS drop-off and told me that they would replace it no questions asked as it was a battery problem. In the end, they sent me the aforementioned model for free. Completely couldn't believe it as the other model I originally bought didn't have the LCD, was literally twice the weight, had an older-technology bottle, and was a lower model. Can't say I am disappointed one bit.

Quote:
Originally Posted by KG363 View Post
So I'm fine the way I am? My PSU can take care of anything that mother nature throws at me? lol that's good to hear

Then why does everyone suggest a UPS? Is it just misinformation or am I misunderstanding what they are saying
I had this same question at first and was basically told: If you've invested all this money into your computer, then why not spend the extra money to properly protect it. Most modern PSU's have plenty of protection features like UPSs, but they're not implemented as well on a PSU as they are on a UPS.
Edited by pez - 6/8/10 at 9:21am
 
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post #29 of 58
Quote:
Originally Posted by KG363 View Post
So I'm fine the way I am? My PSU can take care of anything that mother nature throws at me? lol that's good to hear

Then why does everyone suggest a UPS? Is it just misinformation or am I misunderstanding what they are saying
Basically, if the power goes out, you'll have enough time to save your work and then shut down. It won't help in a power surge, and it won't help to "clean" the power signal.

If you have frequent power outages, or are frequently working with irreplaceable data, then it may be in your best interest to get one. Otherwise, get a $20 surge protector and be done with it.
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post #30 of 58
Thread Starter 
This one that cr1 recommended has built in power surge protection. So would it be the best of both worlds?
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