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7 Posts

07-17-2019

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  • Message 1 of 14

Lenovo Legion C730 Power Supply Unit (PSU) replacement

2019-10-29, 13:57 PM

Dear All,

I'm trying to reduce the noise emissions of my C730. I have replaced the case fans by Noctua fans and that has helped a lot. My next step is to replace the 450W AcBel power supply unit that produces an extreme anoying sound and is not even passive when the computer is under low load. Could somebody indicate me some PSU that is proven to work with the C730 and fits in the same space as  the stock PSU ?

Furthermore, what are the precise official dimensions of this AcBel PSU ? Product details: AcBel PC7033; Customer ID: EL5G; Lenovo P/N: SP50H29549; FRU: 00PC769

Thanks a lot !

Miguel

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734 Posts

04-23-2019

US

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  • Message 2 of 14

Re: Lenovo Legion C730 Power Supply Unit (PSU) replacement

2019-11-25, 15:24 PM

Hi MiguelC730,

 

Thanks for reaching out.

 

The PSU on the C730 is a standard ATX PSU.

 

Dimensions of an ATX PSU are approximately 150 mm width, 86 mm height, and typically 140 mm depth.

 

Hope this helps.

Regards,

Jack_Lenovo1



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10 Posts

12-07-2019

FI

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  • Message 3 of 14

Re: Lenovo Legion C730 Power Supply Unit (PSU) replacement

2019-12-07, 23:05 PM

But if you have a regular ATX factor PSU, the fan will be against one of the metal panels. Wouldn't that be a problem?

I am thinking of sticking a SFX there, but still trying to figure out how to have it safely attached.

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8 Posts

03-02-2020

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  • Message 4 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-03-02, 6:10 AM

Hello, what PSU were you able to upgrade it to?

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22 Posts

04-27-2020

US

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  • Message 5 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-04-27, 19:03 PM
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37 Posts

11-04-2017

LV

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  • Message 6 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-04-27, 23:04 PM

I think one of the possible upgrades for PSU can be taken from HP Omen 880. It's ATX 750W Platinum PSU. And fan is positioned just right for C730. Product number for that PSU is 919937-800. 

You can see how it looks like in this video - https://youtu.be/OSH-f3hwvio?t=1106

 

But anyway it's quite a stupid that Lenovo does not offer PSU better than 500W. And normal ATX PSU does not fit perfectly for C730 just because of fan position.

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22 Posts

04-27-2020

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  • Message 7 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-04-30, 8:24 AM
Here is such should approach I think Seasonic FOCUS SGX-650W 80+Gold
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8 Posts

03-02-2020

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  • Message 8 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-05-02, 6:07 AM

I have found the one that fits perfectly!!, I am in fact using it right now, it is the Fractal Design ION+ 860W Platinum. They also have the Ion+ 760W Platinum. I cant wait to finally use my RTX 2080 TI!!

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22 Posts

04-27-2020

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  • Message 9 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-05-02, 6:11 AM
Can you send a photo here to see how it looks with you?
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8 Posts

03-02-2020

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  • Message 10 of 14

Re:Lenovo Legion C730 Power Supply Unit (PSU) replacement

2020-05-02, 6:31 AM

Sure, there you go, the back of the PSU does not go all the way into the lip right behind the motherboard (see pics), but it will be fine as long as you screw the PSU into the case.

 

 

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