I have to upgrade my power supply?

I HPE8-1020 Pavillion and want to map graphics update GeForce GT640 4 GB GDRR3 but need 20 amps on the + 12 volt Rail powered by a 350W PSU. I have to upgrade my power supply?

Hello

New power supply is the first requirement for the new video card, without news, more power PSU, the machine does not start. And of course, it will fit the new card.

Kind regards.

Tags: HP Desktops

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