Is this power supply good enough for my build?

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BDubs08

Reputable
Mar 8, 2014
8
0
4,510
Hey guys, I bought this power supply before I knew anything about 12v rail requirements for my video card and all the other stuff. So I'm not sure if what I've got is powerful enough. Here's my build. This power supply is 550W with two 12v rails both at 30A. My cousin told me 550W wouldn't be enough, so should I look for one with more watts too?

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor (Purchased For $229.99)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard (Purchased For $128.49)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (Purchased For $86.99)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (Purchased For $64.99)
Video Card: PNY GeForce GTX 760 2GB Video Card (Purchased For $259.99)
Case: Cooler Master CM Storm Scout 2 Advanced ATX Mid Tower Case (Purchased For $105.00)
Power Supply: Antec TruePower Classic 550W 80+ Gold Certified ATX Power Supply (Purchased For $84.99)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (Purchased For $120.00)
Monitor: Acer H236HLbid 60Hz 23.0" Monitor (Purchased For $185.00)
Case Fan: Cooler Master SickleFlow 69.7 CFM 120mm Fan (Purchased For $7.98)
Case Fan: Cooler Master SickleFlow 69.7 CFM 120mm Fan (Purchased For $7.98)
Case Fan: Cooler Master SickleFlow 69.7 CFM 120mm Fan (Purchased For $7.98)
Case Fan: Cooler Master SickleFlow 69.7 CFM 120mm Fan (Purchased For $7.98)
Case Fan: Cooler Master SickleFlow 69.7 CFM 120mm Fan (Purchased For $7.98)
Other: LG Ultra Slim Portable DVD Writer (Purchased For $39.99)
Total: $1375.31
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-03 04:11 EDT-0400)
 
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techgeek

techgeek

Splendid
Apr 11, 2004
5,297
9
29,965
You should be OK with 550W. It's been awhile since I built with a supply with more than one rail though. I know from past experience that it can be a pain to balance the load across multiple rails. But short of that, I think you should be alright.

That series is in a Tier 2 category, so it should be reliable as well. If you plan to overclock, you might be cutting it a little close, but as long as you have a modest overclock you should still be alright.
 
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BDubs08

Reputable
Mar 8, 2014
8
0
4,510
I did want to overclock to maybe 3.9 or 4.0ghz. I've never overclocked before so I don't want to get too crazy just yet. Also I'm not very experienced with messing with voltages and power supplys so whatever will be easiest to manage would be best for me. Do I really have to balance loads or whatever with two 12v rails?
 
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