Hi guys im having i7 4790k with a GTX 1070(Zotac) .i need to buy a PSU .I didnt know how much wattage i need. Whether 620W enough or 650W needed .I didnt have any ssd or blueray .Just normal dvd drive and 2tb seagate at 7200rpm and a deepcool 120 cpu coler. Looking for a decent PSU also not too much price -INDIAN MARKET