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Corsair HX620W

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May 4, 2009 9:49:43 PM

Would this baby be enough for the rig am about to set up (considering OCing it btw)? :

Intel Core i7 920 D0 Step (not sure if it matters)
Asus P6T Deluxe V2
OCZ 6GB (3x2GB) DDR3 1600MHz Triple Channel
ATI Radeon 4890 1GB (still havent decided which brand.. between XFX, Asus and Saphire, but shouldnt make a difference)

After those, I will probably have hooked up 3-4 SATA HDDs, 3 case fans probably, some leds, and thats about it.

620W should be more than enough I suppose? Should i go for even more W?

tnx for your contribution

More about : corsair hx620w

May 4, 2009 10:18:05 PM

sweet.. was a bit unsure because am using a 550W Antec PSU atm on an 4y/o AMD Athlon 64 3400+ with a 6800 Ultra(although it might be an overkill)
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a b ) Power supply
May 5, 2009 4:41:36 AM

Yes the 620HX is suffice for that setup...
But if you are planning to add 1 more 4890 in crossfire, then the 620 wont be suffice...
If you are not particular about the modular PSU, then get the Corsair 750TX...it is not modular but is cheaper than the 620 and can handle 2 4890 in crossfire...
a c 248 ) Power supply
May 5, 2009 4:47:43 AM

gkay09 - I don't have any references showing power consumption for single or dual 4890 video cards. The THG article and the Atomic web site both stop at 4870 cards. Do you have any references?
a b ) Power supply
May 5, 2009 5:03:01 AM

Well the PSU calculator have included the 4890s into the graphics card list now...Sure they don't give you the correct power consumption but still they give a rough idea...
But here is a chart that could help...
http://benchmarkreviews.com/index.php?option=com_conten...
a b ) Power supply
May 5, 2009 5:35:31 AM

JohnnyLucky said:
gkay09 - I don't have any references showing power consumption for single or dual 4890 video cards. The THG article and the Atomic web site both stop at 4870 cards. Do you have any references?


According to xbitlabs, HD4870 is 130W and HD4890 is 120W.
a b ) Power supply
May 5, 2009 5:37:42 AM

gkay09 said:
Yes the 620HX is suffice for that setup...
But if you are planning to add 1 more 4890 in crossfire, then the 620 wont be suffice...
If you are not particular about the modular PSU, then get the Corsair 750TX...it is not modular but is cheaper than the 620 and can handle 2 4890 in crossfire...


HX620 doesn't have the proper connectors for 2 HD4890, but it would have no trouble handling them.
a b ) Power supply
May 5, 2009 6:04:24 AM

Well that is why I had suggested the 750TX... :) 
And even I know that the 620HX is actually underrated and it has a high peak output of nearly 700W+ ...
May 5, 2009 9:17:46 AM

ye ive read you can squre 724W out of it..

on the other hand if it doesnt have 2 connectors for the HD 4890, then it limits me for future crossfire configuration (which i would like to have JUST in case)..

according to the site you posted, it needs 268W under load, assuming you are also going to overclock it, it would need a bit more i guess..

i really liked the modular idea.. more space, better airflow, you know..

but assuming it wont be able to take 2 HD4890s, what are the other options i have besides the 750TX, which are also modular?

on http://ati.amd.com/certifiedPSU the HX620W is listed under certifiedPSUs with 2x3 power connectors, but from your posts i assume the 4890 needs an x4?
May 5, 2009 1:10:35 PM

well, it might be worth the try to use a molex and a 6pin on each card, thats what im going to do when i get my 2nd 4870, i don't think it would be a problem
a b ) Power supply
May 5, 2009 1:13:00 PM

Well he has not bought the 620HX yet...So he could get any other PSU with the connectors required...
May 5, 2009 1:17:58 PM

oops, didnt see that, well, go for the 750TX, not worth the hassle of maybe having a problem
a c 248 ) Power supply
May 5, 2009 2:28:24 PM

ombadboy - Connectors are not a problem. Most video cards come with an extra power cable adapter. If not, they are available from online vendors for a few dollars.

Hey Guys - I think you might be getting a little carried away. I'm saying that based on the power requirements of two video cards. Based on info provided by theAnimal two 4890's will use about 235 watts combined. The OP mentioned an overclocked Core i7 system which will draw another 275 watts according to THG. The total power draw during a gaming session is only 510 watts.
May 6, 2009 8:35:26 AM

hmmm.. so whats the verdict here?

Ill see how the prices of the 750TX is.. (although not modular), and if there's not much difference id probably go for that.. or might consider the Silverstone ones posted above..

any1 got reviews of those PSUs?
May 6, 2009 6:35:32 PM

am probably gettin the TX750 one, although I would really love a modular one for better cooling/tidiness, but i guess performance > anything else..

shud find a way to squeeze all the unnecesary cabling somewhere..
a b ) Power supply
May 6, 2009 6:43:01 PM

ombadboy said:
am probably gettin the TX750 one, although I would really love a modular one for better cooling/tidiness, but i guess performance > anything else..

shud find a way to squeeze all the unnecesary cabling somewhere..


HX750 and 850 are supposed to be coming soon.
May 6, 2009 7:17:39 PM

any idea how soon? and approx price?

flying out in about a month, so gottaa buy the components before the end of the month
May 6, 2009 7:34:53 PM

sweet stuff.. hopefully theyre out before am gone :p  or else ill have to comprimise with the tx750 one ;p
a c 248 ) Power supply
May 6, 2009 7:36:00 PM

Looks like Corsair might be trying for an 80+ Gold certification.
May 10, 2009 10:24:34 AM

they 750W modular should be released start of June, if anyone is interested.

Staff member of ebuyer.co.uk stated it in the forums, that it should be available then.
a c 248 ) Power supply
May 10, 2009 1:07:34 PM

Was there any mention about price?
a c 248 ) Power supply
May 10, 2009 4:23:02 PM

Modular versions of the Corsair 750 and 850. No mention of 80+ Gold certification. No press releases yet at the Corsair web site.
May 10, 2009 6:16:20 PM

dont know how the prices would be in the US, but here's the post

"just received official details of these new PSUs from Corsair. should be in stock around 1st week in June.

is looking like roughly £120 for the 750w and £130 ish for the 850w sell prices. will post QF codes when they get added to the system."
a c 248 ) Power supply
May 10, 2009 8:07:10 PM

The link that theAnimal provided indicates a US price of $145.00 for the 750 and $175.00 for the 850.
May 10, 2009 9:06:32 PM

ahh k sweet.. didnt see the post :) 

cant wait for these babies to arrive, hopefully they are as good as the 620W one
!