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Changing a PSU

Supreme_
By Supreme_
in Power Supplies
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Posted

I wouldn't risk it unless you can get confirmation that both are wired the same way.

ASUS B650E-F GAMING WIFI + R7 7800X3D + 2x Corsair Vengeance 32GB DDR5-6000 CL30-36-36-76  + ASUS RTX 4090 TUF Gaming OC

Router:  Intel N100 (pfSense) Backup: GL.iNet GL-X3000/ Spitz AX Switches: Netgear MS510TXUP, MS510TXPP, GS110EMX
WiFi6: Zyxel NWA210AX (1.7Gbit peak at 160Mhz) WiFi5: Ubiquiti NanoHD OpenWRT (~500Mbit at 80Mhz)
ISPs: Zen Full Fibre 900 (~930Mbit down, 115Mbit up) + Three 5G (~1200Mbit down, 115Mbit up, variable)
Upgrading Laptop/Desktop CNVIo WiFi 5 cards to PCIe WiFi6e/7

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Why are you changing your power supply?

Personal Desktop":

CPU: Intel Core i7 10700K @5ghz |~| Cooling: bq! Dark Rock Pro 4 |~| MOBO: Gigabyte Z490UD ATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: RX 6900XT Sapphire Nitro+ |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| OS: Windows 10 Pro.

Luna, the temporary Desktop:

CPU: AMD R9 7950XT  |~| Cooling: bq! Dark Rock 4 Pro |~| MOBO: Gigabyte Aorus Master |~| RAM: 32G Kingston HyperX |~| GPU: AMD Radeon RX 7900XTX (Reference) |~| PSU: Corsair HX1000 80+ Platinum |~| Windows Boot Drive: 2x 512GB (1TB total) Plextor SATA SSD (RAID0 volume) |~| Linux Boot Drive: 500GB Kingston A2000 |~| Storage: 4TB WD Black HDD |~| Case: Cooler Master Silencio S600 |~| Display 1 (leftmost): Eizo (unknown model) 1920x1080 IPS @ 60Hz|~| Display 2 (center): BenQ ZOWIE XL2540 1920x1080 TN @ 240Hz |~| Display 3 (rightmost): Wacom Cintiq Pro 24 3840x2160 IPS @ 60Hz 10-bit |~| OS: Windows 10 Pro (games / art) + Linux (distro: NixOS; programming and daily driver)
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1 minute ago, OrionFOTL said:

No, Corsair power supply cables aren't compatible with Rosewill power supply cables.

 

What made you choose this Rosewill Capstone in particular, and why do you need a 750W PSU?

 

Just now, Princess Cadence said:

Why are you changing your power supply?

I got a different GPU.

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Just now, Supreme_ said:

 

I got a different GPU.

Yeah which one? you might not need a new power supply at all.

Personal Desktop":

CPU: Intel Core i7 10700K @5ghz |~| Cooling: bq! Dark Rock Pro 4 |~| MOBO: Gigabyte Z490UD ATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: RX 6900XT Sapphire Nitro+ |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| OS: Windows 10 Pro.

Luna, the temporary Desktop:

CPU: AMD R9 7950XT  |~| Cooling: bq! Dark Rock 4 Pro |~| MOBO: Gigabyte Aorus Master |~| RAM: 32G Kingston HyperX |~| GPU: AMD Radeon RX 7900XTX (Reference) |~| PSU: Corsair HX1000 80+ Platinum |~| Windows Boot Drive: 2x 512GB (1TB total) Plextor SATA SSD (RAID0 volume) |~| Linux Boot Drive: 500GB Kingston A2000 |~| Storage: 4TB WD Black HDD |~| Case: Cooler Master Silencio S600 |~| Display 1 (leftmost): Eizo (unknown model) 1920x1080 IPS @ 60Hz|~| Display 2 (center): BenQ ZOWIE XL2540 1920x1080 TN @ 240Hz |~| Display 3 (rightmost): Wacom Cintiq Pro 24 3840x2160 IPS @ 60Hz 10-bit |~| OS: Windows 10 Pro (games / art) + Linux (distro: NixOS; programming and daily driver)
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Just now, Princess Cadence said:

Yeah which one? you might not need a new power supply at all.

What I currently have in my PC: https://pcpartpicker.com/product/n9RFf7/pny-geforce-gtx-1060-3gb-3gb-video-card-vcggtx10603pb

What I want to get in my PC: https://pcpartpicker.com/product/bq38TW/evga-video-card-06gp44996kr

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Oh a 980 Ti.... if it was 1070 Ti I'd say keep PSU as is, but Maxwell likes sucking more juice, I wouldn't want you to be right on the edge there... even so 750w is a lot more than you'd need still, and regardless all this you shouldn't re-use the older cables just use the new ones.

Personal Desktop":

CPU: Intel Core i7 10700K @5ghz |~| Cooling: bq! Dark Rock Pro 4 |~| MOBO: Gigabyte Z490UD ATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: RX 6900XT Sapphire Nitro+ |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| OS: Windows 10 Pro.

Luna, the temporary Desktop:

CPU: AMD R9 7950XT  |~| Cooling: bq! Dark Rock 4 Pro |~| MOBO: Gigabyte Aorus Master |~| RAM: 32G Kingston HyperX |~| GPU: AMD Radeon RX 7900XTX (Reference) |~| PSU: Corsair HX1000 80+ Platinum |~| Windows Boot Drive: 2x 512GB (1TB total) Plextor SATA SSD (RAID0 volume) |~| Linux Boot Drive: 500GB Kingston A2000 |~| Storage: 4TB WD Black HDD |~| Case: Cooler Master Silencio S600 |~| Display 1 (leftmost): Eizo (unknown model) 1920x1080 IPS @ 60Hz|~| Display 2 (center): BenQ ZOWIE XL2540 1920x1080 TN @ 240Hz |~| Display 3 (rightmost): Wacom Cintiq Pro 24 3840x2160 IPS @ 60Hz 10-bit |~| OS: Windows 10 Pro (games / art) + Linux (distro: NixOS; programming and daily driver)
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Dont use older cables, it's on the manual on any modular psu's , It can work but some manufacturers dont use the same standards.

Case: Corsair 760T  |  Psu: Evga  650w p2 | Cpu-Cooler : Noctua Nh-d15 | Cpu : 8600k  | Gpu: Gygabyte 1070 g1 | Ram: 2x8gb Gskill Trident-Z 3000mhz |  Mobo : Aorus GA-Z370 Gaming K3 | Storage : Ocz 120gb sata ssd , sandisk 480gb ssd , wd 1gb hdd | Keyboard : Corsair k95 rgb plat. | Mouse : Razer deathadder elite | Monitor: Dell s2417DG (1440p 165hz gsync) & a crappy hp 24' ips 1080p | Audio: Schiit stack + Akg k712pro + Blue yeti.

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3 minutes ago, Princess Cadence said:

Oh a 980 Ti.... if it was 1070 Ti I'd say keep PSU as is, but Maxwell likes sucking more juice, I wouldn't want you to be right on the edge there... even so 750w is a lot more than you'd need still, and regardless all this you shouldn't re-use the older cables just use the new ones.

 

2 minutes ago, Peskanova said:

Dont use older cables, it's on the manual on any modular psu's , It can work but some manufacturers dont use the same standards.

Alright thank you!

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8 minutes ago, Supreme_ said:

What I currently have in my PC: https://pcpartpicker.com/product/n9RFf7/pny-geforce-gtx-1060-3gb-3gb-video-card-vcggtx10603pb

What I want to get in my PC: https://pcpartpicker.com/product/bq38TW/evga-video-card-06gp44996kr

So what's the problem? You don't need a new 750W power supply for that.

 

GTX 980Ti power consumption: https://www.techpowerup.com/reviews/EVGA/GTX_980_Ti_SC_Plus/28.html

232W average, 263W peak. What is your processor? Unless it's some monster, your CX450M is more than enough.

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3 minutes ago, OrionFOTL said:

So what's the problem? You don't need a new 750W power supply for that.

 

GTX 980Ti power consumption: https://www.techpowerup.com/reviews/EVGA/GTX_980_Ti_SC_Plus/28.html

232W average, 263W peak. What is your processor? Unless it's some monster, your CX450M is more than enough.

Pretty much my current PC: https://pcpartpicker.com/list/7fXNjy

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4 minutes ago, Supreme_ said:

Pretty much my current PC: https://pcpartpicker.com/list/7fXNjy

 

I see. Check out this power consumption test of different 980 Tis: https://pclab.pl/art67996-59.html

 

Their test setup is i7-6700K overclocked to 4,7 GHz (I'm sure in this state it consumes even more power than your Ryzen 1500X), four sticks of fast RAM, and the usual things.

As you can see on the chart, the entire setup with EVGA 980 Ti Classified consumes 391W under load in Witcher 3. Their power supply is about 90% efficient, so that translates to 352W of true power consumption.

 

Since your processor consumes even less power than theirs while having the same graphics card, the conclusion is that your setup will consume even less than 352W under load. So there's no need to replace CX450M.

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8 minutes ago, OrionFOTL said:

 

I see. Check out this power consumption test of different 980 Tis: https://pclab.pl/art67996-59.html

 

Their test setup is i7-6700K overclocked to 4,7 GHz (I'm sure in this state it consumes even more power than your Ryzen 1500X), four sticks of fast RAM, and the usual things.

As you can see on the chart, the entire setup with EVGA 980 Ti Classified consumes 391W under load in Witcher 3. Their power supply is about 90% efficient, so that translates to 352W of true power consumption.

 

Since your processor consumes even less power than theirs while having the same graphics card, the conclusion is that your setup will consume even less than 352W under load. So there's no need to replace CX450M.

I looked online and I think it recommends to have a 600w or higher PSU. I think I would rather be safe then sorry.

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It recommends 600W as insurance against people who have trash power supplies which can't output their labelled power. CX450M can output 100% of its labelled power continuously, and as you can see from the tests the entire setup won't even come close to that, so there's no place for speculation whether it's safe or not.

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1 hour ago, Supreme_ said:

Can I just use the same cables that were in there before? I am upgrading from a 450w to a 750w.

https://pcpartpicker.com/product/FQ648d/corsair-power-supply-cp9020101na

https://pcpartpicker.com/product/JYxfrH/rosewill-power-supply-capstone750m

No.  Corsair cables are different than Rosewill cables.

 

 

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