So I've replaced my old PSU with Corsair RM650i - Overclock.net - An Overclocking Community

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So I've replaced my old PSU with Corsair RM650i

 
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post #1 of 6 (permalink) Old 11-04-2019, 05:48 PM - Thread Starter
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So I've replaced my old PSU with Corsair RM650i

Old PSU: Silverstone SST-ST85F-G Strider Gold 850W (2010 model)

Thoughts:

-I am getting like 5-7 degrees lower temps for my GPU under load.

- Annoying grinding sound from Silverstone's cheap China fan is gone. Could not stand it which is why I bought this specific model.

- Corsair PSU is COMPLETELY SILENT while gaming. Fan doesn't even work under load (but it does work when I press the fan test key).

- Corsair PSU temp under load is 39.5 Celsius.

- Removing all old cables and installing the new ones was so annoying that I wish I knew some kid that could do the job for like $50. I felt really stupid because I did all the work myself.

- Cable management is annoying like hell, I just wanted to get it over with asap.

- Corsair PSU felt and handled like a premium unit.

- Old PSU works just fine still after like 6+ years.

- Corsair Link is cool. Could have saved like $10 if I went for the non i version but I said to myself just "naaaaaahhhhh". I hope that God will never get me to the point I'd really need to clip $10 from my rig's PSU like some other folks, heh.

- Gave Seasonic a thought. Had a look at the equivalent model to Corsair's 650i and it had a switch on that disabled the fan if one wanted silent operation. Then I mentally saw myself getting up and then diving behind the case every day to switch the freaking fan on and off. Once again I said "Naaaaaahhhhhh". The fan curve on the 650i is programmable through Corsair Link at few clicks of a mouse button. So convenient.

- The fact that this is perhaps one of the most silent PSU's in the market today was the only reason why I bought it. Corsair Link and programmable fan curve was the other.
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post #2 of 6 (permalink) Old 11-04-2019, 05:56 PM
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make sure you use the same program to check GPU temps that you used before.

Also note, not sure where you live but its gotten a lot colder where I am recently. It's possible your ambient temps are also lower.

A lot of people on here will hate on corsair PSU's but I think they are pretty solid for a medium quality PSU aimed at gaming configs.

Also, not really sure what corsair link does with a PSU. I have it but I use it to control the fans on my corsair heatsink.

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post #3 of 6 (permalink) Old 11-04-2019, 06:05 PM
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Quote: Originally Posted by UltraMega View Post
make sure you use the same program to check GPU temps that you used before.

Also note, not sure where you live but its gotten a lot colder where I am recently. It's possible your ambient temps are also lower.

A lot of people on here will hate on corsair PSU's but I think they are pretty solid for a medium quality PSU aimed at gaming configs.

Also, not really sure what corsair link does with a PSU. I have it but I use it to control the fans on my corsair heatsink.
I've used corsair in multiple builds for multiple different purposes. Home server, data storage, and gaming. Never had a single problem. Ever. Not sure where the bad rep comes from.
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post #4 of 6 (permalink) Old 11-04-2019, 06:11 PM - Thread Starter
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Using Real Temp both before and after. Ambient was more or less the same today and yesterday so I am positive the readings are right on.

Old Silverstone unit was 1.5 times larger than Corsair unit and it ran hot, so hot that the fan was always on and running even at low loads (sub 100W).

I am guessing that old Silverstone unit was causing the air above it to get hotter which was then taken in by the GPU's fans to cool the GPU thus resulting into higher temps.

Further, the Corsair PSU can power 1 GPU fully with just 1 cable because there's both an 8pin and 6 pin plug on the very same cable whereas the Silverstone PSU required
two cables, 1 8 pin and 1 6 pin to power the same GPU.

I guess 1 PCIE cable less should also bring the GPU temperature down somewhat.

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post #5 of 6 (permalink) Old 11-05-2019, 10:18 AM
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You seems to have misundersood how the hybrid fan mode works

If you turn it on the fan will be off untill you hit a high enough load and/or temp
Turn the hybrid mode off leaves the fan on all the time

Corsair units dont give you the option to have it on or off its always on with no switch which is one reason not to buy one if you want the option to have it on or off
The RMi is not better than the Seasonic Focus or the Fractal Design Ion+ but it cost a lot more so you pretty much picked the most overpriced of the 3

Edit: actually looking at the Ion+ its better its cheaper its more quiet it has higher efficiency and there is an on/off switch for the hybrid fan mode
You paid more for something that is in almost every way worse

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Last edited by shilka; 11-05-2019 at 10:26 AM.
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post #6 of 6 (permalink) Old 11-06-2019, 03:40 PM - Thread Starter
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"I seems to have misunderstood" and "I picked the most overpriced"

Hahaha.

I think I'll live past through it man. I guess I won't offload so much to hookers and blow for a week or two to make up for the "overpriced" Corsair unit.

The "overpriced" corsair unit doesn't even cost half of what the bungee bars of my Harley_Davidson motorcycle do.

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