cpu gpu mb ram psu for 400 euro

RCFProd

Expert
Ambassador
Now this is a sick set of components for 400 euros, but the problem with euros is that it wildy varies in each country. I would get this:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Pentium G3258 3.2GHz Dual-Core Processor (€71.90 @ Caseking)
CPU Cooler: Arctic Cooling Freezer Xtreme Fluid Dynamic Bearing CPU Cooler (€29.90 @ Caseking)
Motherboard: ASRock B85 Killer ATX LGA1150 Motherboard (€82.89 @ Amazon Deutschland)
Memory: Kingston HyperX Fury Black 8GB (2 x 4GB) DDR3-1866 Memory (€52.92 @ Mindfactory)
Video Card: Gigabyte GeForce GTX 950 2GB Dual WindForce Video Card (€170.13 @ Mindfactory)
Total: €407.74
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-09-06 13:45 CEST+0200

I know, casual gaming you say, but if you OC the G3258 with this setup to about 4.2-4.4 Ghz you'll be getting really good performance for 400 euros. It's what I would get no matter the type of gaming.