Need advice on my power supply

I'm doing a new build and I'm using a power supply that I got last year. The power supply is a ultra lsp 550 atx power supply.
I' going to be overclocking the cpu,video card and memory. Here my build.

advanced haf 912 case / $50

Intel Core i5-3570K Ivy Bridge 3.4GHz / $229.99

ASRock Z77 Extreme4 / $134.99

Patriot Intel Extreme Master, Limited Edition 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) / $37.99 with -$5.00 Instant

EVGA 02G-P4-2678-KR GeForce GTX 670 FTW / $369.99 -$40.00 Instant with $20.00 Mail-in Rebate Card

COOLER MASTER Hyper 212 EVO / $31.99 -$6.00 Instant

Sentey Burton Series GS-6500B Black / Blue 1mm SECC / Plastic ATX Full Tower Computer Case / $109.99 15% off w/ promo code Sentey1022, ends 11/4

Logitech Call of Duty: MW3 Edition G105 Black USB Wired Gaming Keyboard / $44.99 -$35.00 Instant

Logitech G500 10 Buttons Dual-mode Scroll Wheel USB Wired Laser Gaming Mouse / $54.99 -$15.00 Instant

ARCTIC COOLING MX-2 Thermal Compound / $10.99 $10.99 Mail-in Rebate Card
Using my power supply and hard drive from last year.

Hitachi 500 gigs

ultra lsp 550 atx power supply

windows ultimate 64 bit

32" 3D vizio led razor tv: Resolution:1920x1080

If I need to get another power supply so I can overclock what should I get. At the end of november i'll be getting a OCZ Agility 4 AGT4-25SAT3-128G 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD) $94.99 After christmas i'm goig for a water cooler system to.
3 answers Last reply
More about need advice power supply
  1. I wouldn't trust it at all.

    Get a new PSU, like a Corsair TX650 or Antec HCG 620.
  2. Im going to wait before I overclock. But what would be a good but CHEAP power supply that would run my setup .
  3. Antec HGC M 620W
    Seasonic made, 80Plus Bronze, modular, 48A of 12V power, 3 yr warranty
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