Getting mixed results from psu calculators.

Lividsky9 · Sep 14, 2013

Hi, its my first build and i want to make sure its right. Only all the popular psu calculators are giving me random results. So i am building 2 pcs, a htpc and a nas server.

Htpc
i7 630
3 x 2gb Kingston Hyperx DDR3-1600MHz
120gb ssd
2tb 7500rpm hdd
Vtx hd7870 2gb x-edition
Blu ray drive
4 x 80mm fans

Nas
i5 3470
2 x 4gb unknown DDR3
120gb ssd
4 x 4tb 7500rpm hdd
Sapphire hd7870 2gb
Blu ray drive
Dvd drive
Corsair h60 water cooler
3 x fans

Now i have just bought a corsair cx500 psu and have a thermaltake 500w psu on hand. However I'm really not sure about the load requirements. For example, the asus psu calculator said a 700w for the htpc and a 600w for the nas setup. All the while the thermaltake psu calculator said 450w for the htpc and 485w for the nas.

So im confused. Should I return the corsair cx500 and get something better?

I need some advice, any help would be very much appreciated!

ssimpss · Sep 14, 2013

Lividsky9 :

Emm why do you need a 7870 for a NAS server, just wondering, never seen it done that way before. But I tend to not bother with PSU calculators I use PC part picker and add on an extra 100 to 150 if i will be over clocking and an extra 200 to 300 if i will be over clocking and adding an extra GPU at some point. When unsure go big.

Dark Lord of Tech · Sep 14, 2013

Get this for HTPC:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($44.99 @ NCIX US)
Total: $44.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-14 13:51 EDT-0400)

Get this for NAS.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 650W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($64.99 @ NCIX US)
Total: $64.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-14 13:53 EDT-0400)

Lividsky9 · Sep 14, 2013

On the nas at the moment i've got a gt630 but I jsut wanted to be future proof as I plan on putting the 7870 in there, but I understand it does seem bizzare.

ssimpss · Sep 15, 2013

Lividsky9 :

Most of the people I know who have home/nas servers are more interested in storage than the GPU in there server. But I get where your coming from so good luck hope you get the right parts

Lividsky9 · Sep 15, 2013

Thankyou! Straight up info. One more question though, if I had a thermaltake 500w would it be able to run the nas server if the server had a gt630 instead of the 7870? Again, thankyou for your advice!

Lividsky9 · Sep 15, 2013

ssimpss :

Yeah I definitely see your point although I'm using it quite a bit and its fast enough for basic gaming, plus I've got it hooked to a 29" 2560 x 1080 screen so I want to play some games on it in the future, with a decent frame rate, although actually getting around to that is another thing...

ssimpss · Sep 15, 2013

Lividsky9 :

ssimpss :

Yeah I definitely see your point although I'm using it quite a bit and its fast enough for basic gaming, plus I've got it hooked to a 29" 2560 x 1080 screen so I want to play some games on it in the future, with a decent frame rate, although actually getting around to that is another thing...

oh for sure. If thats the monitor on your server what kind of screen are you running for your PC???

Dark Lord of Tech · Sep 15, 2013

Thermaltake makes very poor Poor PSU's for the most part.

Don't use it.

Lividsky9 · Sep 16, 2013

I have just found that out, upon setting up the nas with a very moderate load, the thermaltake 500w psu started emitting some serious coil whine. It might be overkill but I bought a corsair ax1200 and a corsair ax760i. That should do it.

Dark Lord of Tech · Sep 16, 2013

It will!

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Getting mixed results from psu calculators.

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