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Is putting a 750ti in a 200W PSU safe?

DaniMan

Hi, My brother bought a prebuilt acer aspire a few years ago and he was looking for an upgrade. I opened his side panel and saw lots of dust, and a 200W PSU. There weren't any PCIe power connectors so I told him his best bet was probably to buy a EVGA 750ti. Do any of you perhaps know what would happen if the power supply is too weak? Will it permanently damage components or would I just be able to slightly underclock the graphics card and it'd be fine?

Thanks for taking your time.

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200W is too little even for that GPU considering it's a cheap chinese fire cracker PSU.

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If the PSU is unstable you could be looking at a house fire

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT

Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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what are the rest of the PC specs?

 

any brand of the PSU on the side?

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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1 minute ago, dragoon20005 said:

what are the rest of the PC specs?

 

any brand of the PSU on the side?

Acer PSU...aka fire hazard

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT

Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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Just now, dragoon20005 said:

what are the rest of the PC specs?

 

any brand of the PSU on the side?

 

It has an i5 3350P, 8 GB RAM, two HDD's, nothing too special.

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Just now, don_svetlio said:

Acer PSU...aka fire hazard

Acer OEM are Delta Electronics

 

same goes with other brands like HP and Lenovo

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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4 minutes ago, DaniMan said:

Hi, My brother bought a prebuilt acer aspire a few years ago and he was looking for an upgrade. I opened his side panel and saw lots of dust, and a 200W PSU. There weren't any PCIe power connectors so I told him his best bet was probably to buy a EVGA 750ti. Do any of you perhaps know what would happen if the power supply is too weak? Will it permanently damage components or would I just be able to slightly underclock the graphics card and it'd be fine?

Thanks for taking your time.

Definitely not enough. 300W is the recommended PSU for a 750ti and you probably have a cheap chinese one in your prebuilt. At best, the computer shuts down. At worst, your system gets fried and a possible electrical fire. 

Please quote our replys so we get a notification and can reply easily. Never cheap out on a PSU, or I will come to watch the fireworks. 

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Just now, DaniMan said:

 

It has an i5 3350P, 8 GB RAM, two HDD's, nothing too special.

check the PSU wiring and see if you are able to change it for a Corsair CX500M

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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1 minute ago, dragoon20005 said:

Acer OEM are Delta Electronics

 

same goes with other brands like HP and Lenovo

Not from what I've seen.

 

Just now, dragoon20005 said:

check the PSU wiring and see if you are able to change it for a Corsair CX500M

CXv3 are shit man...

 

2 minutes ago, DaniMan said:

 

It has an i5 3350P, 8 GB RAM, two HDD's, nothing too special.

Get a new PSU first.

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT

Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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Just now, don_svetlio said:

Not from what I've seen.

 

CXv3 are shit man...

 

Get a new PSU first.

Its either Liteon or Delta where ever they have in stocks

 

i was referring to the newer CX with grey wordings

 

we need to see his budget on the PSU + GPU

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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Just now, dragoon20005 said:

Its either Liteon or Delta where ever they have in stocks

 

i was referring to the newer CX with grey wordings

 

we need to see his budget on the PSU + GPU

CXv4 are the CX450/550/650. Others are CXv3 or GS.

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT

Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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1 minute ago, don_svetlio said:

CXv4 are the CX450/550/650. Others are CXv3 or GS.

oops my bad then

 

CX450M then

 

even that unit has one PCI-E 6 pin

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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Surely not if it has 6pin power. For the one that only draws power from PCI-E it could work but im not sure.

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16 minutes ago, Thony said:

Surely not if it has 6pin power. For the one that only draws power from PCI-E it could work but im not sure.

I wouldn't. The PSU is too low wattage, and probably can't deliver enough current at 12V.

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