Reuse or suggestions of a PSU for a new build.

Jusmar

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Mar 11, 2014
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I'm building a new computer right now and am torn between what PSU to get. Corsair used to be my go-to company but I've been told that they've recently been poor, so I'm looking for alternatives. My current setup requires, according to PCPartPicker, 428W. I am currently toying with the idea of watercooling with a Corsair H75, but that is not currently planned.
However, overclocking is currently planned for the future for the sole purpose of casually squeezing out some extra power, not to see how far I can push the chip.
Here's the setup:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($209.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($30.99 @ SuperBiiz)
Motherboard: Gigabyte GA-Z87-HD3 ATX LGA1150 Motherboard ($104.24 @ Amazon)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($77.99 @ Newegg)
Storage: Samsung 840 EVO 250GB 2.5" Solid State Disk ($139.99 @ Best Buy)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($84.99 @ NCIX US)
Video Card: EVGA GeForce GTX 770 2GB Video Card ($359.99 @ Amazon)
Power Supply: SeaSonic G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($82.99 @ Mwave)
Total: $1091.17
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-12 21:01 EDT-0400)

Now I think that Seasonic should be enough, but I had the idea to reuse my old Corsair PSU. It's more powerful, but I'm not sure about the connectors and whatnot. Thank you for any input you may have.

Here's the old PSU I have:
CORSAIR TX Series CMPSU-650TX 650W ATX12V / EPS12V
 
corsair is good, but they do have an offering of cheaper psu's (it's how you make money to offer products in all quality ranges)

the seasonic is a great choice, and so it's totally up to you if you want to spend more or less on the psu. that one will work just fine

your tx 650 will work for any modern card up to the 780 ti, so i wouldnt buy a new psu...the tx series is their mid quality line, and there is nothing wrong with it.