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Corsair 24 pin power connector with another brand sleeved extension + question?

 
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post #1 of 3 (permalink) Old 01-22-2020, 04:21 PM - Thread Starter
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Corsair 24 pin power connector with another brand sleeved extension + question?

Hi guys.

I am literally minutes from finishing my first ever build (Ryzen 3950x + Asus RTX 2080Ti), but now i am getting confused in regards of the PHANTEKS SLEEVED EXTENSION CABLE COMBO i've bought for my rig:

http://www.phanteks.com/images/produ...BCMBO_BK-1.jpg

Specs:

Length: 19.68in (500mm)
Wire AWG: 18AWG, 2.1mm(Rohs)
Sleeve Tube: PP Material
Insulation Resistance: 20M ohm @ 200VDC
Short/Open Determinant: 20K ohm

My PSU is the Corsair RM850x, which (from the limited info i managed to obtain of the internet) also utilizes 18AWG wiring per this link off of TomsHardware:

https://www.tomshardware.com/reviews...-psu,5568.html

Specs:


ATX connector 20+4 pin (600mm) 18-20AWG
4+4 pin EPS12V (650mm) 18AWG
6+2 pin PCIe (600mm+150mm) 18AWG
SATA (500mm+110mm+110mm+110mm) 18AWG
SATA (520mm+110mm+110mm) 18AWG
Four-pin Molex (450mm+100mm+100mm+100mm) 18AWG
FDD Adapter (+100mm) 20AWG
AC Power Cord (1430mm) - C13 coupler 16AWG

Question #1: Would it be ok to use these extensions with my PSU in this case?

Another thing that got me confused was the fact that Corsair are using gen 3 on some of their PSU's and gen 4 on others, when it comes to cable connections. From my understanding it only affects the 24 pin main power connector. My PSU is gen 4. Here is the difference between gen 3 and 4:

Gen 3: https://i.gyazo.com/ce6426be693927e6...4a6d691fac.png

Gen 4: https://i.gyazo.com/d19b436d0e018ef1...364886478b.png

Question #2: The change only seems to affect the "PSU END" of the cable, which makes me believe that the "MOBO END" is the same on both, and should not affect which kind of extension i need to look after - the one above seems to be compatible regardless of gen 3 or gen 4 right?

And last but not least, the stock PCIe power connector cables coming with my Corsair PSU, are of this type (ONE 8-pin end at the "PSU END" splitting into TWO x 6+2pin cable ends at the "MOBO/GPU END"):

https://i.ebayimg.com/images/g/CmIAA...m1r/s-l300.jpg

Where as the sleeved PCIe extension cables coming with my Phanteks kit are TWO individual/seperate single cable extensions:

https://images-na.ssl-images-amazon....4L._SX425_.jpg

Maybe a dumb question (better to be save than sorry when having used nearly 5000$ on a new rig though):

Question #3: Do i just connect the TWO single PCIe cables coming with my sleeved kit to each of the two "MOBO/GPU ENDS" on my double headed stock PCIe cable from Corsair? I don't really see other ways to do it, as long as the 2 sleeved extensions are single ones, and not a Y-type 2 in 1 cable like the stock one. Unless i connect the sleeved extensions into two seperate slots on the back of my PSU (it has more than one PCIe slot). What i'm trying to say/ask is basically if it makes any difference if the two PCIe ends going into the GPU comes from a single cable splitting into 2 ( Y ) compared to coming from 2 seperate cables ( I I ).


Hope it all makes sense. Sorry for the lenghy thread to what i bet are dead simple questions for somebody with a little more experience in building than me.

Looking forward to hear from you guys.

Thanks!

Last edited by Emil Debski; 01-22-2020 at 04:31 PM.
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post #2 of 3 (permalink) Old 01-24-2020, 05:09 PM
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extensions are universal, you plug them into the cable. the end of the cable is standard, the end that plugs into the PSU are not (they're vendor and often model specific). if the ends were not standard then you'd have to match your PSU to specific components.

if you're plugging an extension into a PSU you're doing something wrong but you shouldn't be able to in the first place.

if your PSU is janky then run two separate PCI-E lines from the PSU to your GPU, but just run what looks the best or is the easiest to do. I only run one cable from my PSU to my 1080 Ti and even when I was playing with the XOC BIOS I didn't have any issues.

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post #3 of 3 (permalink) Old 01-24-2020, 05:18 PM
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As the other guy said, extensions are indeed universal. They'll work just fine.
Look at the back of your PSU .. CPU PCIE (both 8 pin) will work in either. 6 pins are for hdd/ssd/etc.

The only thing you need to worry about is the motherboard 18/24pin+10/4/8pin.
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