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HP Recommended
HP Z400
Microsoft Windows 7 (64-bit)

Presented HP Z400 with the following data
processor— Intel Xeon w3520/2.66 GHz

RAM— 24GB DDR3 
hard drives— SSD 256Gb 
graphics card — AMD FivePro V5900(2Gb)
power supply— 475W 
I want to change the video card to Nvidia Quadro 4000. Will I need to install a power supply > 475W ?
Sorry for the bad English, I use an online translator

«Linux» - установив систему, долго настраиваешь, потом всю жизнь пользуешься.
«Windows» — установив систему, быстро настраиваешь, потом всю жизнь мучаешься.
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