80 evga 430w+

i have Acer Aspire TC-605 but the PSU is only 300 w , would an EVGA 430W 80+ fit and will it be a good PSU for streaming from my xbox 1 with my capture card ? Acer Aspire TC-605 , INTEL I-7 4790 CPU 3.60 GHZ 4 CORES 8 GB RAM PSU - LITEON 300 W...