GPU + CPU myth created by me and my friend :)
Lets go to the point straight.
My friend has HD5770. He bought it from clickbd ( second hand , under my influence ). He had a p4 psu (400W lekha) and after installing the card, it works but gets overheat and pc shuts down. I had my 500W Thermaltech with me so i replaced and ran fine for a week. So we 2 *wisely* accepted that its a psu problem. So he agreed to buy one.
He was in low budget , plus i had a devil idea So i told him to buy another valueTop 500W and do deul psu thing ( dont laugh ). I short circuit the valuetop and plugs it to multiplug. Use 6 pin converter and dedicate the psu only to GPU. Another psu is separated as it is (400W likha ta) and works as primary. I knew nothing about synchronization thing but my gut told me something could blow out. But i assured my friend that everything is under control . I turned the valueTop first and the card start running on max fan speed. Then i switched on the computer and everything worked perfectly
Most important factor is , he is still using this configuration for a year and nothing's blown / damaged. I checked the performance in Hitman Absolution and FC3. My Thermaltech 500W lightweight and this duel thing makes same performance ( did a fps check by Fraps and used Furmark )
By being enthusiastic with the idea , i exchanged my psu with his 2 psu's and ran in my system ( HD 6850 ) for a month. Same performance as far gameplay is concerned.
Btw , me and my friend are both noobs in hardware. So we both are confused by this questions :
1. Should the 500W Thermaltech outperform duel psu ? Or psu's does not affect performance ?
2. The idea of us that one dedicated psu for GPU will serve better , or is just an illusion ?
3. Shouldn't the card blown out for the first place ? i mean i googled and every forum says so.
4. Is it necessary ? Or totally unnecessary ? I mean i have mixed experience. His old 400W cant run the pc for a long time , mine got hot and shut down. But the valueTop can run both of our system without duel config. But we noticed a slight fps drop (5-6 frames in sleeping dogs only , in other game same ) , nothing major.
We both are excited to hear things from you guys ! I know you guys are pro , coz you helped me to build a pc and thats the only smart thing in my room
Dual psu electricity bill baraite pare but logically jinish ta safe but arektu vitore gale you guys are lucky ar generic psu chalaite vaggo o lage jai howk dual psu akta temporary use er jonne ok but not for permanent solution ar 2ta dual psu te cable management o horrible hoise i guess so imo single psu is always good but dual for testing or temporary but dont use it as permanent
@cowboysaif thermaltake sells dedicated PSU which works in parallel with primary psu. In ur case u have basically followed the same principal.
Such setup will work until one of the PSU's rail deviates greatly from the other psu. N you will be surprised that many people already tried dual psu with no ill effect. at least I haven't heard anything negative. But this is a messy setup.
If u want to start both PSU together, try splicing the green (psu1) +Green (psu 2) and black (psu1) +black (psu 2)
black wire can be any black wire.
Thanks. I'll keep it in my mind
Dee vai help korte pare. As far as I remember he did something like this.
Tried this many years ago...works fine ...u can use a relay switch to start & stop both psu at the same time with the power button
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