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I'm buying a MSI 7970 Lightning this friday and need help.
- Thread starter RetrogamerX
- Start date
This is the most confusing thread I have ever read
+1
Some of the advice is shocking in here as well.
(i.e. the get moar watts scaremongers)
SLI 680's overclocked with an i7 3770K @ 4.4 Ghz - 450-500W from the wall.
I see you have a 750 watt xfx even though your 450-500w from the wall
650 watts for what was going to be a 7970 lightning plus the rest of his rig isnt overkill or scaremongering! Is it?
I see you have a 750 watt xfx even though your 450-500w from the wall
650 watts for what was going to be a 7970 lightning plus the rest of his rig isnt overkill or scaremongering! Is it?
Right, first point: it's 'you're'
Considering most people believe that PSU's shouldn't be ran at close to max load then 450-500W (peak) on a 750W unit is about right.
I'm not sure why you've taken exception to my post: I don't think recommending a 650W PSU over a 600W quantifies as scaremongering but OK if you feel the need to defend your recommendation when no-one is questioning it
.Right, first point: it's 'you're'
Considering most people believe that PSU's shouldn't be ran at close to max load then 450-500W (peak) on a 750W unit is about right.
I'm not sure why you've taken exception to my post: I don't think recommending a 650W PSU over a 600W quantifies as scaremongering but OK if you feel the need to defend your recommendation when no-one is questioning it
Pulling me up for you're is just petty and makes you come across as a fud.
I didnt take exception to your post mate but you saying the advice has been shocking certainly for anything I have said isnt the case.
Some of it is shocking I didn't actually say who it was so I'm not sure what your issue is.
In fact I just read and cringed without taking it in.
Soldato
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Was the 6+2 pin connector definitely only 75w capable?
I thought the two extra pins on an 8pin pci-e were just grounds..
I thought the two extra pins on an 8pin pci-e were just grounds..
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Sorry I was away....I have a 2 year old son...
I'm sorry guys If I started something. I just wanted the right info for the GPU so I could power it correctly. I'm still a noob when it comes to this stuff. I learn as I good, but didn't want to fry the GPU. You guys saw the cables I had. I didn't even have a 8pin to 6pin connector , so getting a new PSU was the only solution. I hope now with this new PSU everything will be all good
Thank you again cammy and others that helped me
A bit confusing for me too sorry
It's on it's way
I'm sorry guys If I started something. I just wanted the right info for the GPU so I could power it correctly. I'm still a noob when it comes to this stuff. I learn as I good, but didn't want to fry the GPU. You guys saw the cables I had. I didn't even have a 8pin to 6pin connector , so getting a new PSU was the only solution. I hope now with this new PSU everything will be all good
Thank you again cammy and others that helped me
This is the most confusing thread I have ever read
A bit confusing for me too
sorryIt's on it's way
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Soldato
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the extensions you get with the lightning
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I'm not getting the 7970 lightning now. I decided because I needed a new psu and money was tight so didn't have enough so I went with the msi 7950 tfiii instead. If my mate can't fit the new psu for me I might give it a go. how hard can it be? I just have to plug everything back in then cable tie up all the rest.
Soldato
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i know but threads are to help others as well as yourself, posted the pictures incase some one can say what the little loop wire does, is it a ground or to provide extra power???
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Soldato
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the other thing that will really help in future is people knowing that dodgy OCZ PSU's have 8-pin connectors with 2 pins not actually wired up (which is quite frankly shocking!)
Soldato
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that can't be right either - unless they are admitting that the 8-pin connectors are just for show and really it only needs 6-pin ones
normally a 6-pin to 8-pin converter uses 2 6-pins in to get one 8-pin out
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I can't believe I had this in my psu
Thank god I checked with you guys before installing the psu and gpuI'm not gaming on my PC until I get the psu and gpu sorted. I do have Xbox live until then
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Soldato
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this is interesting http://www.tomshardware.co.uk/forum/248078-10-need-6pin-8pin-pcie-schematics
the black cables are grounds, and in the above artical, zorg is saying that the other 2 pins to make the 8 are used to unlock overdrive in ccc????
the black cables are grounds, and in the above artical, zorg is saying that the other 2 pins to make the 8 are used to unlock overdrive in ccc????
I am going to jump in here without reading further (for now). I have SLI 680's and one 680 is connected to the 2*8 pin connectors I have coming from my PSU. I have 2 more PCI-E connectors and they are only 6 pin. Therefore I purchased 2 bitfenix braided 6 to 8 pin cables to be able to connect my other 680. I have them massively overclocked and have no problems.
Somebody will probably tell me to bin my PSU and get a PSU with 4*8 pin connectors but I will ignore and stay as I am.
(just using your point for reasoning Optima)
This helps make sense of it mate
http://www.tomshardware.com/reviews/power-supply-specifications-atx-reference,3061-12.html
I am going to jump in here without reading further (for now). I have SLI 680's and one 680 is connected to the 2*8 pin connectors I have coming from my PSU. I have 2 more PCI-E connectors and they are only 6 pin. Therefore I purchased 2 bitfenix braided 6 to 8 pin cables to be able to connect my other 680. I have them massively overclocked and have no problems.
Somebody will probably tell me to bin my PSU and get a PSU with 4*8 pin connectors but I will ignore and stay as I am.
(just using your point for reasoning Optima)
Am I right in saying you havent had them for long gregster?
Im sure you have a decent psu but just because they work just now doesnt mean they will continue to work.
When something is overloaded resistence causes heat. that heat will attack every part of your psu till the weakest part gives.
If you have a good psu then nothing should be weak but over time and under stress it will become weak. Then your in the 680 lottery