Can I use a 2nd PSU to power my GTX-650 GPU?
https://www.youtube.com/watch?v=xZiWciJLK3o
http://www.add2psu.com/store/
https://www.youtube.com/watch?v=xZiWciJLK3o
http://www.add2psu.com/store/
Using 2 PSU's on one computer for the GPU
- Thread starter matt4x4
- Start date
Solution
Belphegore
Respectable
- Mar 27, 2016
- 366
- 0
- 2,160
What are you talking about? you can use 2 PSUs in one computer. You can buy relay switches that turn on the 2nd one when the first gets started by the motherboard. I've done it before and so has hundreds of others.
It's not common anymore because unless you are running 3 or more video cards power hungry 300watt card, it's pointless. One good 1500watt power supply will have enough power.
I don't see why you would need a second PSU for the GTX 650. It doesn't even draw 75watts of power.
It's not common anymore because unless you are running 3 or more video cards power hungry 300watt card, it's pointless. One good 1500watt power supply will have enough power.
I don't see why you would need a second PSU for the GTX 650. It doesn't even draw 75watts of power.
What do the miners do then?
My current HP EliteDesk 800 G1 is 240W, I want to install GTX-650 which needs 400W, I already have a EVGA 600B PSU.
Thats why.
Thanks iamacow, thanks a lot. I do appreciate it.
Do I need to ground the 2nd PSU to the case, or do a common ground between the 2 PSU's?
I will search more for sure. I know about the 24 pin jumper grn to blk.
My current HP EliteDesk 800 G1 is 240W, I want to install GTX-650 which needs 400W, I already have a EVGA 600B PSU.
Thats why.
Thanks iamacow, thanks a lot. I do appreciate it.
Do I need to ground the 2nd PSU to the case, or do a common ground between the 2 PSU's?
I will search more for sure. I know about the 24 pin jumper grn to blk.
- May 18, 2007
- 23,815
- 5,265
- 108,890
PSUs not designed for load sharing may end up doing weird things when they get connected to each other. Without some "communication method" between the two PSUs, whichever has the highest 12V output voltage will end up providing most of the 12V current anyway and you'll be no better than having a single PSU anyway. (Quite possibly worse off if the PSUs end up sending each other in unstable states.)
- May 18, 2007
- 23,815
- 5,265
- 108,890
Its just for the GTX-650 GPU.
This is what I originally found.
http://www.tomshardware.com/answers/id-2302723/elite-desk-800-psu.html
But stumbled upon that 2 PSU youtube video after much searching the internet.
I had the idea of 2 PSU's, 1 just for GPU when I was reading that article above.
This is what I originally found.
http://www.tomshardware.com/answers/id-2302723/elite-desk-800-psu.html
But stumbled upon that 2 PSU youtube video after much searching the internet.
I had the idea of 2 PSU's, 1 just for GPU when I was reading that article above.
Yeah you don't want want 1 power cable from one PSU and another from the other in the same card. That will do weird things. But if you power a video card completely with a second PSU, it will be fine. Its grounded same as the first PSU using the ground from wall outlet.
Quad SLI GTX 8800 Ultras would not be possible on a single PSU, neither would GXT 480s. This list keeps going on and on...
Not to mention you need a breaker that is above 10AMPS for a single 1200watt PSU. With a second PSU, you can put it on another breaker.
Quad SLI GTX 8800 Ultras would not be possible on a single PSU, neither would GXT 480s. This list keeps going on and on...
Not to mention you need a breaker that is above 10AMPS for a single 1200watt PSU. With a second PSU, you can put it on another breaker.
- May 18, 2007
- 23,815
- 5,265
- 108,890
The GTX8800 Ultra only draws 175W, that's well within the realm of what an AX1200 could handle. Quad GTX480 (250W) on the other hand might be a job for the AX1500, though it may require a dedicated breaker.
You could even run quad R9-295X2 with something like the Superflower Leadex Platinum 2000W, but you'd need a 220V circuit for it.
HP is propreitory mobo and PSU's. 240W is its max in the SFF case. I do not want to mess with its wiring. Thought it would be easier to use a 2nd PSU just for the GPU.
Thanks for the help guys, its reassuring and I will do some more searching on it.
Thanks for the help guys, its reassuring and I will do some more searching on it.
- May 18, 2007
- 23,815
- 5,265
- 108,890
The problem with "old school bit mining" is that depending on your luck, it may:
- not work
- work some of the time
- be unstable
- work as expected
- blow stuff up
Unless HP went full-evil and used a bastard voltage between the PSU and motherboard voltage regulators, the connector probably has 12V, GND, 5VSB, PS_ON and not much else. In that case, it could easily be replaced by an ATX PSU with sufficient rating, just need to create an ATX-to-whatever adapter to run everything from a single adequate size PSU.
- not work
- work some of the time
- be unstable
- work as expected
- blow stuff up
Unless HP went full-evil and used a bastard voltage between the PSU and motherboard voltage regulators, the connector probably has 12V, GND, 5VSB, PS_ON and not much else. In that case, it could easily be replaced by an ATX PSU with sufficient rating, just need to create an ATX-to-whatever adapter to run everything from a single adequate size PSU.
TRENDING THREADS
-
-
-
Question r9 390 a good budget option since rx 580s are overpriced?
- Started by jordanbuilds1
- Replies: 3
-
News Windows 11 will reportedly display a watermark if your PC does not support AI requirements- Started by Admin
- Replies: 6
Facebook
Twitter
Instagram