Can you please help me choose a PSU from these 4?

[alza6991]

Hello, I was hoping you all could help me come to a decision, but first things first:

CPU: i5 4670K
MB: Asus Sabertooth Z87
RAM: 16GB G-Skill 1600Mhz Trident-X
CPU Cooler: Noctua NH-U12S
Case: Cooler Master HAF X
SSD: Samsung 840 EVO 240GB
HDD: WD Caviar Black 1TB
Sound Card: Asus Xonar DX
Graphics Card: GTX 680/GTX 770 (haven't decided yet)
Extra Case Fans: Cooler Master Megaflow RED 200 x 3, Noctua 140mm x 1

I'm sorry if I overdid it with the specs, but better to be safe than sorry!

So I really have 2 questions, the first one being: Is 750W enough?

I spent a solid day looking at PSUs, and brought my options down to 4:

Silverstone Strider Plus 750W http://www.silverstonetek.com/product.php?pid=240

Antec High Current Gamer 750W (either modular or non-modular, they seem a bit different specced) http://www.antec.com/product.php?id=705200&fid=5022035
http://www.antec.com/product.php?id=706266&fid=5022035

Corsair TX-750M http://www.corsair.com/enthusiast-se...er-supply.html

Seasonic M12II 750W http://www.seasonicusa.com/M12II-Bronze.htm

Now, if 750W is enough, can you please recommend/give your opinion about which one of those 4 (but don't just spit out 'seasonic is best' because they generally are, I'm comparing these 4 SPECIFIC PSUs, not the overall brands).

If 750W isn't enough, let me know, and I'll post some larger PSUs

Many thanks in advance!

 

[dottorrent]

Apart from the Silverstone, all of the selected PSUs are made by Seasonic. Go for either 3, they're all great PSUs.

 

[badboyrog]

750W is enough!
stick with corsair ... seasonic ....xfx psus