Final Build Help Before I Buy!

SirMelon

Reputable
Aug 8, 2016
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I'm planning on running a Windows 7 PC for gaming on the following build:

CPU: i5-6500
*GPU: Sapphire Radeon R7 260x OC 2GB edition
RAM: Corsair Vengeance LPX 2x4gb DDR4 2400 MHz
MOBO: ASUS Intel H110M-A/M.2
*PSU: XFX 550w Bronze 80+
*HDD: WD Blue 1tb 7.2k RPM main drive along with a slower HDD for other junk
Case: Corsair Carbide 100R

* components are being brought over from my current PC which I'm replacing and are fixed

As far as I know they're compatible etc but does anybody have any improvments/suggestions (cheap SSD for OS?) and any ideas on how well it'll perform on games like Overwatch, Fallout 4 and CS:GO?
I am prepared to spend a bit extra for any additional components or for say a more efficient CPU but nothing expensive (£50 SSD pushes it way too far).

Thanks!