R9 270x Crossfire wich one

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That one will do nicely,if you want to save just a little than will the next one be good too,
http://www.komplett.dk/corsair-cx-750m-750w-psu/773377

If you're not overclocking than imo would the 650watt version be fine too.
http://www.komplett.dk/cooler-master-g650m-650w-psu/795138
or not modular...

Vic 40

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That one will do nicely,if you want to save just a little than will the next one be good too,
http://www.komplett.dk/corsair-cx-750m-750w-psu/773377

If you're not overclocking than imo would the 650watt version be fine too.
http://www.komplett.dk/cooler-master-g650m-650w-psu/795138
or not modular,
http://www.komplett.dk/xfx-proseries-core-edition-650w-psu/657686

They all have a 4pin for the cpu,it's just probably a 4+4pin connector and you would only have to use one of those than.
 
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