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HX620 -- still good enough for sandy bridge OC?

post #1 of 7
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I will be upgrading very soon and was wondering if the HX620 would be good enough for an i7-2600k setup?

Usage:
  • I intend to overclock to around 4.5GHz.
  • I'll be using a GTS 250 for now and possibly a GTX 460 or better later.
  • No plans for SLI or CrossFire.
  • Will be using 4 internal hard drives and 2 external USB hard drives. Maybe 1 or 2 more external/internal hard drives will be used later on.

Also, just curious...I have a CX600 v2 in my closet -- would that be better than an HX620?

Slightly off topic but why do I rarely see any multi rail PSUs anymore? Was that just a fad? It seems like most high end PSUs are single rail only now.
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ZEROv1.11
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post #2 of 7
The HX620 is definitely good enough for that. NVIDIA recommends a 450W peak-rated power supply to power a system that has one GTX 460 in it, and the HX620 is a 620W continuous-rated power supply.

So it's way more than enough.
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post #3 of 7
Yeah, your HX620 would do a good job on it though I personally like overkill so I'd go with a 700W+. However, the HX620 is enough for this.

About the issue on rails:
http://www.overclock.net/power-suppl...explained.html

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post #4 of 7
Absolutely, even a little overkill.
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post #5 of 7
NVIDIA recommends a 450W peak-rated power supply to power a system that has one GTX 460 in it, so the HX620 is very overkill.


Quote:
Originally Posted by chroniX View Post
Slightly off topic but why do I rarely see any multi rail PSUs anymore? Was that just a fad? It seems like most high end PSUs are single rail only now.
Marketing. :/ Apparently, it makes the PSUs seem better (or perhaps more powerful) to most people. I imagine that they'll go back to pushing multi-rail PSUs in a few years.
Edited by TwoCables - 6/16/11 at 4:02am
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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post #6 of 7
More than enough, hell, you could probably SLI those 460s on that PSU.
Edit: Yeah, you could easily do that.
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post #7 of 7
Thats plenty of power.
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