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Which 600W PSU for long term reliability, quality & performance?

My rig that I'm about to buy soon:


Core i5 2500k

ASRock Z77 Extreme 4

8GB (2x4GB) Corsair Vengeance 1600 dual channel kit

Zotac GTX 670 AMP!

Corsair Force Series 3 SSD 120GB (Boot + Gaming drive)

500GB Seagate Barricuda 7200RPM (data storage drive)

ASUS 24X Internal DVD RW

Microsoft Xbox 360 Controller for PC (Wired)

NZXT Lexa S

Cooler Master Hyper 212 Evo Aftermarket CPU cooler

Artic Silver 5 Thermal Compound

Seagate Free Agent GOFLEX DESK 2TB External Drive (for backup & other purposes)


I will be buying the PSU locally from a shop & ONLY THESE options for PSU are available:

1) SEASONIC S12II 620W

2) CORSAIR SMPS-650TX

3) CORSAIR SMPS-700GS

Which of those would be better for long term operation, performance, quality & reliability wise for my rig?

I won't be doing any SLI/CF ever in the future...might upgrade to another card but not SLI/CF ever!! Also I HIGHLY doubt I'll be adding any further high power consuming components into the system. Keep in mind that the place where I live gets quite a bit hot during summer times as well.

So keeping all that in mind which of those PSU above would you recommend??

Thank you, you guys are AWESOME! :D
5 answers Last reply Best Answer
More about which 600w long term reliability quality performance
  1. Either the Seasonic S12II or the TX650.
  2. amuffin said:
    Either the Seasonic S12II or the TX650.

    Do you know which one of them has got bigger cables?
    Any other handy features?
  3. Any of those 3 are great choices for your build. Its nice that your local shop is just using good parts.
  4. Best answer
    The SEASONIC S12II 620W
  5. Best answer selected by WILDLEGHORN.
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