is aerocool kcas 600w good psu?

No. It is a Tier 4 PSU and really bad for those parts.

Tier Four
No Japanese capacitors found. Only Taiwanese capacitors and may even include Chinese capacitors. Very basic safety circuits or even thin gauge wiring used. Not for gaming rigs or overclocking systems of any kind. Avoid unless your budget dictates your choice. - See more at:

You are far better off getting one of these with the above parts.

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA SuperNOVA GS 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($59.99 @ NCIX US)
Total: $59.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-06-28 12:29 EDT-0400

For PSUs they should be the best part in your build.
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