Hi, I recently bought a computer. It's a Lenovo H430 (specs ----> http://reviews.cnet.com/desktops/lenovo-h430-core-i5/4507-3118_7-35564042.html ). It suits my needs until now. I would like to game but the HD 2500 is really depressing. I bought a separate card it's a ASUS Radeon HD 7770. I'm not sure what PSU to get since I'm assuming my current stock PSU won't support the card. Any help will be greatly appreciated.
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99% of PSU's you can buy will work, a Corsair CX430 would be perfect. If the card doesn't have PCIe power connector ports you could try your luck with the PSU it came with.
But my PSU is around 290 (I'm not sure I will check ASAP).