Help with molex 6pin for hd7770 and 300w psu

bobbflocka · Mar 24, 2014

I....well now I really don't know what I'm doing. I posted here last July and I 2 weeks ago I finally got money to buy a msi r7770 afterburner. Only AFTER i bought the video card I found out about what you really need and whats what.

I really don't know how to connect this to the PSU, but most likely my psu can't run this. So first, am I supposed to use the molex? Is that an alternative that they include in the box? Other is that before the box came I asked myself if I could connect a 6pin thing on the 7770 and on the other end which is 4pin connect to one of these 4pin-looking holes and that means its connected..?

Treat me like I don't have a clue what I'm doing btw I'm a kid so, less big words

Shaun o · Mar 24, 2014

To be honest bob I would be a bit worried if the 330W psu could provide enough power to drive The new Ati 7770 card you have bought.

In relation to the Psu its self its rather old and why you are having confusion in connecting power to the new graphics card.

Most card makers supply a 6pin to a molex connector to power the card, if you have an old Psu.

Where as new power supply`s come with the 6 pin fitted as part of the connector options.

In short yes you can use the six pin to molex to power the card.
If you have power Issues and the system freezes, blue screens.
Or anything else once you have connected power tot he card from the psu.
In relation to when you play a game.
You will need to buy a new Psu of a higher wattage rating.

System crashing will be an indication that the power supply you have cannot provide enough watts or amps to drive the requirement needed for the 7770 card.

bobbflocka · Mar 25, 2014

srry for late reply, but I don't see where to connect the molex to, I don't see the holes for it. Also I saw in other videos that the psu seemed to have a spare connector for a video card, do all psu's have that? I'm thinking of buying a new psu, I have an Inspiron 620 with i-3 2120, but I'm scared that I wouldn't have all the cords or if it doesn't fit. I mean at first the fan didn't work, then my internet didn't work I was pretty scared, and now swapping out a PSU? I could get 40-50 bucks and yea I was expecting to get a psu.

1criticthatmatters · Mar 31, 2014

I would recommend that you get a new power supply, 500w will be lots for your build. This PSU will work well with your 7770. It runs about $50 and will have the 6 pin connector you need. Here's the link: http://www.newegg.ca/Product/Product.aspx?Item=N82E16817438016
here's the link if you live in the USA:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817438016

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Help with molex 6pin for hd7770 and 300w psu

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