List your specs!

Off the top of my head:
Asus 144mhz monitor
Razer Deathadder Chroma mouse
Razer Kraken Pro headset
AMD 8320e 3.8 ghz cpu
Logitech keyboard
Modified Thermaltake case
Asus mATX motherboard
G. Skill ripjaw 16GB RAM
nVidia 950 gpu
1GTB HDD

I max out source at 299fps with everything on high. this setup will also yield around 150-200fps for csgo

My other pc:

Asus ROG 144mhz monitor
Razer Deathadder mouse
Sennheiser (sp?) headset
Standalone studio mic
Modified Thermaltake case
Asus ROG motherboard
i7 6700K cpu
G. Skill ripjaw 16GB ram
nVidia 970SSC 8GB gpu