Is this UPS unit too small to power system?

[Rexer]

The system is new and frequently black screens on start up.
Win. 10,
850w psu
i7 6700,
MSI R9 390X gc
2T ssi drive
32gb ram
The ups unit is a sweet looking APC ns1080= 1080va 650w.. . looks big, efficient. -650 watter-. Could this unit be too small? I'm not quite UPS literate.
The only other thing I notice drawing power from it is a 27" 144hz monitor.

 

[CropEditPaste]

I'd go for 750w if you plan on upgrading and adding more parts in the future, but 650w is fine.

 

[ahnilated]

The problem you run into is that if you are using above the power the UPS can support and it is tripped, your computer still instantly shuts off not a nice clean shut down.

 

[jsmithepa]

Should be fine.

UPS ultimate capacity depends whether you just want a nice shutdown or you need the system to be up for some x-minutes after the main goes off.

It would be nice if vendors simply let you add more batteries if longer onetime require, but I only see those in business-type$$$ UPSes.

 

[PhysX_HW]

It should be enough, but if you add one more GPU, you may reach the limit, and that means, it would shut the power down if you go above 650W, even when it's running on utility power. Or at least it would give you an annoying beeping sound. But for the current config, it should be fine.

 

[SCANNERMAN777]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

 

[Rexer]

The problem you run into is that if you are using above the power the UPS can support and it is tripped, your computer still instantly shuts off not a nice clean shut down.

Lol. Yep. There's no clean shut down. In fact, it's pretty edgy routine. Infrequent times, yes, the computer acts like it's trying to pull more current than the UPS has. The green current light changes to a flickering orange (irriating buzz). Windows & monitor flickers to black, computer still humming (which I immediately shut down). This has me fooled to thinking it was computer hardware until I swapped the PSU from it.
Most of the time the UPS handles start up fine. Maybe something going south in the UPS? The cheap, irriating buzz sounds like a low car battery trying to crank an engine.

 

[Rexer]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

Right now, to keep the computer useful, it is running on the surge side of the UPS. Yeah. Not a good idea.

 

[SCANNERMAN777]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

Right now, to keep the computer useful, it is running on the surge side of the UPS. Yeah. Not a good idea.

My XFinity UPS has been running for 3 years now without a hitch. I should probably get a new battery for it for backup. It powers 2 PCs on the surge protection/aux power side and has managed to afford me more safe shutdowns than I can recall. Plus on the thru put side it runs a number of peripherals for both PCs. I know it's not more than 1000 watts and it's providing power to both a 750 watt and a 650 watt psu. Where I live power surges are common so I run an additional surge protector in conjunction with my UPS. You may wish to consider getting one of these as an edition to your protection:

http://www.newegg.com/Product/Product.aspx?Item=9SIA3M41R07286 The price is considerably lower than what I paid for mine but I've had it for over a year and so far so good. The only thing I don't much care for is all the bling — the lights are bright and large. Makes my work station look like a discotheque. But it's protected my stuff at least a half doz times and gives good readings through the process and it's rack mountable. 9250 Joules is nothing to sneeze at. I've seen industrial versions run for considerably more than what I paid for this unit.

 

[Rexer]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

Right now, to keep the computer useful, it is running on the surge side of the UPS. Yeah. Not a good idea.

My XFinity UPS has been running for 3 years now without a hitch. I should probably get a new battery for it for backup. It powers 2 PCs on the surge protection/aux power side and has managed to afford me more safe shutdowns than I can recall. Plus on the thru put side it runs a number of peripherals for both PCs. I know it's not more than 1000 watts and it's providing power to both a 750 watt and a 650 watt psu. Where I live power surges are common so I run an additional surge protector in conjunction with my UPS. You may wish to consider getting one of these as an edition to your protection:

http://www.newegg.com/Product/Product.aspx?Item=9SIA3M41R07286 The price is considerably lower than what I paid for mine but I've had it for over a year and so far so good. The only thing I don't much care for is all the bling — the lights are bright and large. Makes my work station look like a discotheque. But it's protected my stuff at least a half doz times and gives good readings through the process and it's rack mountable. 9250 Joules is nothing to sneeze at. I've seen industrial versions run for considerably more than what I paid for this unit.

Let me get this right. Your Xfinity UPS is three years old.. . under watted for 2 PSUs on it and it runs both. That's great. So it must be volt amps.. This big APC's not even 1! (actually, this UPS belongs to my customer). There's gotta be something wrong with this thing's internal circuitry. I'm going to toss this UPS and pick up a new one. He's going to grumble at me but I don't care. He'd be more upset if his stuff burns up on less so I'll live with the new change and bill him later.
I went in the back shop and dug out a old APC 800 BR800. Batteries not dead, suppose to have 800va but only 450w. Got a 14 min, charge. I'll use it till I can get to Fry's or Best Buy today. I ran a 750w psu with a 780ti video card on it, no problems.
I'm in a area where power fluctuates, too. You'd be surprised at what low voltage ruins around here. Radios, TVs, toasters, coffee pot. lights. You name it, it's junk thanks to low voltage.
I don't try to add anything to the computer/monitor to the UPS but I may take you up on hooking a surge unit to my bench computer. I work on a lot of laptops and some how they survive better on surge protectors.
Years ago, I bought this stereo/hifi surge protector by 'Monster' and for what it was, it did a good job. Now days, it runs the alarm clock in the bedroom with the phone chargers. Heh. Put old stuff to work. Thanks.

 

[ahnilated]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

Right now, to keep the computer useful, it is running on the surge side of the UPS. Yeah. Not a good idea.

My XFinity UPS has been running for 3 years now without a hitch. I should probably get a new battery for it for backup. It powers 2 PCs on the surge protection/aux power side and has managed to afford me more safe shutdowns than I can recall. Plus on the thru put side it runs a number of peripherals for both PCs. I know it's not more than 1000 watts and it's providing power to both a 750 watt and a 650 watt psu. Where I live power surges are common so I run an additional surge protector in conjunction with my UPS. You may wish to consider getting one of these as an edition to your protection:

http://www.newegg.com/Product/Product.aspx?Item=9SIA3M41R07286 The price is considerably lower than what I paid for mine but I've had it for over a year and so far so good. The only thing I don't much care for is all the bling — the lights are bright and large. Makes my work station look like a discotheque. But it's protected my stuff at least a half doz times and gives good readings through the process and it's rack mountable. 9250 Joules is nothing to sneeze at. I've seen industrial versions run for considerably more than what I paid for this unit.

Let me get this right. Your Xfinity UPS is three years old.. . under watted for 2 PSUs on it and it runs both. That's great. So it must be volt amps.. This big APC's not even 1! (actually, this UPS belongs to my customer). There's gotta be something wrong with this thing's internal circuitry. I'm going to toss this UPS and pick up a new one. He's going to grumble at me but I don't care. He'd be more upset if his stuff burns up on less so I'll live with the new change and bill him later.
I went in the back shop and dug out a old APC 800 BR800. Batteries not dead, suppose to have 800va but only 450w. Got a 14 min, charge. I'll use it till I can get to Fry's or Best Buy today. I ran a 750w psu with a 780ti video card on it, no problems.
I'm in a area where power fluctuates, too. You'd be surprised at what low voltage ruins around here. Radios, TVs, toasters, coffee pot. lights. You name it, it's junk thanks to low voltage.
I don't try to add anything to the computer/monitor to the UPS but I may take you up on hooking a surge unit to my bench computer. I work on a lot of laptops and some how they survive better on surge protectors.
Years ago, I bought this stereo/hifi surge protector by 'Monster' and for what it was, it did a good job. Now days, it runs the alarm clock in the bedroom with the phone chargers. Heh. Put old stuff to work. Thanks.

if you drop a phase in the power it causes a brown out issue and that is horrible for computer or electronic components. It is almost worse then seeing spikes. Most people don't realize that it is running at 50-75% of the power it should have and just keep using the machine and it gets horribly damaged.

 

[Rexer]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

Right now, to keep the computer useful, it is running on the surge side of the UPS. Yeah. Not a good idea.

My XFinity UPS has been running for 3 years now without a hitch. I should probably get a new battery for it for backup. It powers 2 PCs on the surge protection/aux power side and has managed to afford me more safe shutdowns than I can recall. Plus on the thru put side it runs a number of peripherals for both PCs. I know it's not more than 1000 watts and it's providing power to both a 750 watt and a 650 watt psu. Where I live power surges are common so I run an additional surge protector in conjunction with my UPS. You may wish to consider getting one of these as an edition to your protection:

http://www.newegg.com/Product/Product.aspx?Item=9SIA3M41R07286 The price is considerably lower than what I paid for mine but I've had it for over a year and so far so good. The only thing I don't much care for is all the bling — the lights are bright and large. Makes my work station look like a discotheque. But it's protected my stuff at least a half doz times and gives good readings through the process and it's rack mountable. 9250 Joules is nothing to sneeze at. I've seen industrial versions run for considerably more than what I paid for this unit.

Let me get this right. Your Xfinity UPS is three years old.. . under watted for 2 PSUs on it and it runs both. That's great. So it must be volt amps.. This big APC's not even 1! (actually, this UPS belongs to my customer). There's gotta be something wrong with this thing's internal circuitry. I'm going to toss this UPS and pick up a new one. He's going to grumble at me but I don't care. He'd be more upset if his stuff burns up on less so I'll live with the new change and bill him later.
I went in the back shop and dug out a old APC 800 BR800. Batteries not dead, suppose to have 800va but only 450w. Got a 14 min, charge. I'll use it till I can get to Fry's or Best Buy today. I ran a 750w psu with a 780ti video card on it, no problems.
I'm in a area where power fluctuates, too. You'd be surprised at what low voltage ruins around here. Radios, TVs, toasters, coffee pot. lights. You name it, it's junk thanks to low voltage.
I don't try to add anything to the computer/monitor to the UPS but I may take you up on hooking a surge unit to my bench computer. I work on a lot of laptops and some how they survive better on surge protectors.
Years ago, I bought this stereo/hifi surge protector by 'Monster' and for what it was, it did a good job. Now days, it runs the alarm clock in the bedroom with the phone chargers. Heh. Put old stuff to work. Thanks.

if you drop a phase in the power it causes a brown out issue and that is horrible for computer or electronic components. It is almost worse then seeing spikes. Most people don't realize that it is running at 50-75% of the power it should have and just keep using the machine and it gets horribly damaged.

Yeah, brownouts are ugly, Total agreement with you on that. I had phase dropout on hard wire generator. Capacitor lost connection.Also had to cop when an outside dual transformer blew a twin, too. Lol. What a panic.
17 yrs. ago, I was outside the shop, early evening when a transformer blew and it lit up the neighborhood. Everything electronic went to 1/2 power. What a nightmare. Couldn't tell what was damaged right away. Took months. The shop was like a poltergeist live in it. Some stuff flickered, some stuff was completely dead, things would shut off by themselves and had to be restarted, some stuff you could beat (like a radio) and it would turn on. We started using auto breakers and switches.
The best description of the APC UPS ns 1080, I can give, doesn't even make sense. For whatever reason, it acts like it trying to access the backup battery. But because there's still steady power coming in, it's not wanting to revert to it. So it keeps switching and emitting this irregular buzz. Worse, the software's not identifying there's a problem, says everything's fine.
Well, I just pick up a new UPS so I'll hook up the old one to my bench and check it out. I bet you're right. It probably lost a phase. I'll let you know what's up. Thanks.

 

[SCANNERMAN777]

Your PC will only use as much power it needs. So even if you add a 1000 watt psu and your PC is using 450 watts there should not be a problem using it. IF your PC starts using more wattage than your UPS is capable of providing then your UPS will shut down your system. Not all UPS protection is identical You could get around this problem by plugging your PC into the direct thru puts on your UPS but that would be the same as plugging it into a power bar. Your protection will be limited and shutting your PC down manually and safely during a power outage will NOT be an option.

Right now, to keep the computer useful, it is running on the surge side of the UPS. Yeah. Not a good idea.

My XFinity UPS has been running for 3 years now without a hitch. I should probably get a new battery for it for backup. It powers 2 PCs on the surge protection/aux power side and has managed to afford me more safe shutdowns than I can recall. Plus on the thru put side it runs a number of peripherals for both PCs. I know it's not more than 1000 watts and it's providing power to both a 750 watt and a 650 watt psu. Where I live power surges are common so I run an additional surge protector in conjunction with my UPS. You may wish to consider getting one of these as an edition to your protection:

http://www.newegg.com/Product/Product.aspx?Item=9SIA3M41R07286 The price is considerably lower than what I paid for mine but I've had it for over a year and so far so good. The only thing I don't much care for is all the bling — the lights are bright and large. Makes my work station look like a discotheque. But it's protected my stuff at least a half doz times and gives good readings through the process and it's rack mountable. 9250 Joules is nothing to sneeze at. I've seen industrial versions run for considerably more than what I paid for this unit.

Let me get this right. Your Xfinity UPS is three years old.. . under watted for 2 PSUs on it and it runs both. That's great. So it must be volt amps.. This big APC's not even 1! (actually, this UPS belongs to my customer). There's gotta be something wrong with this thing's internal circuitry. I'm going to toss this UPS and pick up a new one. He's going to grumble at me but I don't care. He'd be more upset if his stuff burns up on less so I'll live with the new change and bill him later.
I went in the back shop and dug out a old APC 800 BR800. Batteries not dead, suppose to have 800va but only 450w. Got a 14 min, charge. I'll use it till I can get to Fry's or Best Buy today. I ran a 750w psu with a 780ti video card on it, no problems.
I'm in a area where power fluctuates, too. You'd be surprised at what low voltage ruins around here. Radios, TVs, toasters, coffee pot. lights. You name it, it's junk thanks to low voltage.
I don't try to add anything to the computer/monitor to the UPS but I may take you up on hooking a surge unit to my bench computer. I work on a lot of laptops and some how they survive better on surge protectors.
Years ago, I bought this stereo/hifi surge protector by 'Monster' and for what it was, it did a good job. Now days, it runs the alarm clock in the bedroom with the phone chargers. Heh. Put old stuff to work. Thanks.

That is correct. If you check to see how much volt/amp power your devices are actually drawing from your UPS you should be able to determine if it's suitable for your use. I still recommend using an additional surge protection device such as the one I recommended in that link I shared just to be on the safe side. If the Monster is the one I think you might be using you should have no problem putting that puppy back to the sort of work it was made for. That's a good unit and it will adequately suit your purpose. :::grins::: I have one on my Denon.

 

[SCANNERMAN777]

IF you lost a phase you need to get a new UPS not now but RIGHT NOW.

 

[Rexer]

IF you lost a phase you need to get a new UPS not now but RIGHT NOW.

Yep. this UPS is on it's way south in a hurry. I plug a small, variable speed desk fan and set it to low, (draw, about 2 amps) and it tried to fry it. The unit tried to go to battery but didn't detect an overdraw. Got that irritating buzz again. Time to kick it outta here!
I wonder how much internal damaged it did to the computer. Time for a stress test. uh.
You know what gets me is, these units are suppose to react brownouts, surges, spikes and overload draws. What seems to have failed here is the UPS's internal phase circuit or caps. Everything else registered fine.
Just when everything's pee-chee, cover by the book, a wrench falls in and scrambles the pie.
Thanks for the help, guys you are the best!