Is this a good gaming/streaming PC build?

[pietheninja]

I am going to start getting these parts so I can build my computer. I plan on gaming a fair amount (mainly League of Legends) and Streaming, also League of Legends. Will this be good for that?
I'd like to stay under $1000, this is right around 950
CASE: Azza XT 1 Watt White CSAZ-XT1 W ($120ish)
CPU: AMD FX-8350 8- Core 4.0 GHZ Socket AM3+ 125W ($165ish)
CPU FAN: Cooler Master Hyper 212 EVO ($32ish)
MOTHERBOARD: ASUS M5A99FX Pro R2.0 ATX AM3+ ($120ish)
MEMORY: Corsair Vengeance 16GB (2x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 CPC3 12800 ($109.99ish)
STORAGE: WD Blue 1TB Desktop 3.5 Inch SATA 6GB/s 7200 RPM ($50ish)
VIDEO CARD: ASUS R9270-DC2OC-2GD5 Radeon R9 270 2 GB 256-Bit GDDR5 PCI Express 3.0 HDCP Ready CrossFireX Supportf
OPTICAL DRIVE: ASUS 24x DVD-RW Serial - ATA Internal OEM DRW - 24 1ST ($22ish) I'm not set on this one, just seemed like a good cheap one
POWER SUPPLY: Seasonic X-850 (SS-850 KM3 Active PFC F3) 850W 80 Plus
Gold ATX12V/EPS12V ($160ish)

 

[Martin1982]

Your gpu is not good enough compared with the rest of your system.
Try to get a r9 290x or a gtx 970

 

[Nightglaze]

if you want to play power demanding games on max get a gtx 900 series or something with plenty of vram i play gta V on max and it recommends 2 GB and it takes up almost 4 GB of Vram