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PSU opinion

post #1 of 24
Thread Starter 
Hi guys

I just bought this PSU for my rig

http://www.seventeam.com.tw/product_contentx.php?theme_select=1english&cid=165&pid=689

I would like to know if it was a nice choice

My rig is a 4770K @ 4.5 and GTX 780 SLI more 5 HDs

And about a single ou multiple rail 12V? I don`t know if this PSU uses a single or multiple, and what`s the diference?

Thanks guys
post #2 of 24
it is a single 12v rail.
post #3 of 24
Thread Starter 
Quote:
Originally Posted by gregg1494 View Post

it is a single 12v rail.

But this is a quality PSU? Made a good choice for the rig?

Thanks
post #4 of 24
Quote:
Originally Posted by wsarahan View Post

But this is a quality PSU? Made a good choice for the rig?

Thanks

I have never heard of the brand. So will not be able to give you a good opinion.
post #5 of 24
Thread Starter 
Anyone else?

Thanks
post #6 of 24
http://www.realhardtechx.com/index_archivos/Seventeam.htm

It seems seventeam is their own OEM, and ive never heard of them so i can't comment on the quality of the OEM either.

But it is 80+ silver, but you bought a PSU thats more then twice what you need. Your rig would have ran perfectly fine on around a 850w unit, 1k at the most for highly overvolted overclocks

Also its actually only 1260w on the 12v rail which is what matters, most "good" brands market their units on their 12v rail wattage, not total combined wattage. So like a Seasonic unit for example would be marketed as a 800w unit, which would really mean it will output 800w on 12v and the other rails such as 5 and 3.3 are not included in the total
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post #7 of 24
Quote:
Originally Posted by wsarahan View Post

Hi guys

I just bought this PSU for my rig

Thanks guys

Seventeam is a Chinese mainland manufacturer that makes PSU for a bunch of low to high end brands. I believe this is the same PSU as the Silverstone brand unit with the same part number, the UR listing code on it is the same.

I have no idea why you bought a 1400W PSU for a PC that's not going to draw more than 700W from the wall. That's 100% bigger than you need. LOL.

Looks like that thing has SIX 12V rails, not one. Here's a post that has some detailed pictures of the side label.

http://forums.vr-zone.com/hardware-depot/1737135-the-battle-powwer-1400watts-seventeam-st-1400psz-1400w-psu-modular-80plus-gold.html

Multi-rail is no big deal, just means that the various PCIe plugs and ATX connector on the PSU tap into different 12V outputs from six separate 12V voltage regulators. Multi-rails are good if you want to keep voltage regulation in check on some rails where it might sag on others due to heavy load (e.g. keep voltage to your CPU regulated better when your GPUs are sucking heavy current on a different set of rails). Multi-rail is a pain in the ass when you need more than can be delivered on a single rail. Those 12V rails on that unit are 30A each max, but the TOTAL is 105A across all 6 rails, so -- 30A each, but only 17.5A average if you use them all.



Greg
Edited by hammong - 3/7/14 at 10:52pm
post #8 of 24
Oh my god no not Seventeam

Seventeam make their own units but they are like HEC they can make good stuff they just dont

No you did not buy a good PSU
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Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
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post #9 of 24
Quote:
Originally Posted by shilka View Post

Oh my god no not Seventeam

Seventeam make their own units but they are like HEC they can make good stuff they just dont

No you did not buy a good PSU

yep this was what i was waiting on lel
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post #10 of 24
To the OP:

The PSU is good. The voltage, ripple and transient response should also be fine and within specs. The capacitors should be reliable and such and the unit can deliver its rated wattage without frying itself, even at ~100VAC.

If the unit blows up (any unit can do that) it has all kinds of related protection so it shouldn't take your hardware with it. So no need to worry about it. It even has proper rail distribution so there's little chance of overloading the cables (the unit will shut down before doing that).

Just read the manual before connecting everything so that you won't overload any of the rails by accident and make the system shutdown because of it.

If you've got it for cheap, it's a good buy. It's just not as efficient and exotic as offerings from some other companies.
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