Issue between lenovo power supply and gigabyte gtx750 ti 2b

BorjaG · Nov 26, 2015

Hi everyone. i have a lenovo computer with a power supply with 2 conectors to the main board, one with 4 pins and the bigger with 16 pins.

the graphic need a 6 pin connection from the power supply, but i don't have another conector from the power supply, only this 2 but they're connected to the mainboard
how i connect the graphic card? should i buy an extra cable? how the cable would be connected to the power supply?

Thanks

BadActor · Nov 26, 2015

Doesn't look like you can use that card. You might return it and buy a 750Ti that does not require external power, just make sure your power supply has the minimum number of watts recommended by the video card you choose.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814487025&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-Skimlinks-_-na-_-na-_-na&AID=12087162&PID=3736271&SID=skim83512X1540009X87e4277593ba7240bcf136174d2f7c48&utm_medium=affiliates&utm_source=afc-Skimlinks

BorjaG · Nov 28, 2015

thanks for the answer. but only 1 question more:
the specifications of the card doesn't requires the 6 pin cable from the power supply, only 400 W from the ps, but it has the 6 pin slot.
if i'll buy a ps of 480 W, should i need this conection?
thanks

BadActor · Nov 28, 2015

That is another option. Some of those 750Ti's use the 6 pin PCI-e connectors some don't. I thought it would be cheaper for you to exchange the card for another one instead of buying a new power supply.

BorjaG · Nov 28, 2015

thanks, i'll try this.

Mousemonkey · Nov 28, 2015

Or you could just use a Molex to 6 pin adapter.

BadActor · Nov 28, 2015

He doesn't have one.

BadActor · Nov 28, 2015

On second look, I don't think you can use a different power supply unless you can find one with a 16 pin connector, it's looks proprietary. Most PSU's now come with a 20+4 ATX main power cable.

Mousemonkey · Nov 28, 2015

BadActor :

Some cards come with them included in the box and if not they can be bought for a few pennies.

BorjaG · Nov 28, 2015

someone tell me to use a cable from the sata disk to the 6 pin slot?

BorjaG · Nov 28, 2015

something like that:

http://www.startech.com/Cables/Computer-Power/Internal/6in-SATA-Power-to-6-Pin-PCI-Express-Video-Card-Power-Cable-Adapter~SATPCIEXADAP

BadActor · Nov 28, 2015

Mousemonkey :

He doesn't have Molex connectors. His PSU is proprietary and only has a 4 pin motherboard lead and a 16 pin ATX lead.

Mousemonkey · Nov 28, 2015

BorjaG :

Do you have such an adapter?

BadActor · Nov 28, 2015

Not a good idea to use SATA power for that purpose.

BorjaG · Nov 28, 2015

Mousemonkey :

http://www.amazon.es/DeLOCK-Power-SATA-15-pin-amarillo/dp/B0057A8TNS/ref=sr_1_2?ie=UTF8&qid=1448724519&sr=8-2&keywords=pci+e+6+pin

BorjaG · Nov 28, 2015

BadActor :

why?

Mousemonkey · Nov 28, 2015

BadActor :

It's the same feed that a Molex adapter would use so there is no reason why it wouldn't work.

Mousemonkey · Nov 28, 2015

BorjaG :

Mousemonkey :

http://www.amazon.es/DeLOCK-Power-SATA-15-pin-amarillo/dp/B0057A8TNS/ref=sr_1_2?ie=UTF8&qid=1448724519&sr=8-2&keywords=pci+e+6+pin

Yep, just use one of those and ignore BadActor and his/her bad advice.

BadActor · Nov 28, 2015

You don't know if the PSU can supply the proper amperage for the video card. It's a proprietary OEM power supply, and they aren't known for high quality. Most are barely adequate to run the system as built.

BorjaG · Nov 28, 2015

BadActor :

but, if i buy a correct ps (480 W for example), and also connect this cable from the sata, it'll will works 100% without any issue?

Mousemonkey · Nov 28, 2015

Try it with what you already have first, the 750Ti is not a power hungry card and there is no point in spending money that you don't have to.

BorjaG · Nov 28, 2015

Mousemonkey :

my fear is lose the warranty (the computer was buyed in August), or burn any the card, or any component of the computer. it is possible?
thanks again

Mousemonkey · Nov 28, 2015

What is the wattage of the PSU?

BorjaG · Nov 28, 2015

280 W, but i'm looking for a 480 W

Mousemonkey · Nov 28, 2015

A 280w PSU is very small, when looking for a replacement make sure that the motherboard plug will actually fit.

Issue between lenovo power supply and gigabyte gtx750 ti 2b

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