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Thread: TT Smart 700w - what is it?

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    Default TT Smart 700w - what is it?

    While I'm here, does anyone know anything about this:



    Model number is SPD-0700P, box is ticked US.

    Searching for it, I can only seem to find deal links, store links, or ebay listings. I picked it up mostly out of curiosity at the time. I even asked the salesman if these things were "burn your house down terrible" - he wasn't impressed.

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    Why ask if PSU is good _AFTER_ you bought it? Why not ask BEFORE you buy it?

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    Quote Originally Posted by Stefan Payne View Post
    Why ask if PSU is good _AFTER_ you bought it? Why not ask BEFORE you buy it?
    Like I said - pure curiosity. And to find out whether that curiosity means I need to charge my fire extinguisher

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    Probably not a fire hazard, though almost certainly far from great.

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    Probably really mediocre, nothing you should buy. 700W is something that only is useful for two high-end graphics cards. But if you have the money for two high-end graphics cards a decent or good PSU shouldn't be a problem. For a PC with one high-end graphics card a high quality 400/550W power supply is a much better buy.

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    Probably this is the universal input range version of the TR2 S, made by UT Power.

    http://www.jonnyguru.com/forums/showthread.php?t=13765

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    Quote Originally Posted by -The_Mask- View Post
    Probably really mediocre, nothing you should buy. 700W is something that only is useful for two high-end graphics cards. But if you have the money for two high-end graphics cards a decent or good PSU shouldn't be a problem. For a PC with one high-end graphics card a high quality 400/550W power supply is a much better buy.
    This may be a 400/550W PSU. It only says it is a 700W.
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    Quote Originally Posted by ehume View Post
    This may be a 400/550W PSU. It only says it is a 700W.
    Bingo! I won't be putting this one to any really stressful use. I think it's going in an HTPC.

    I'd open it up just to take a peek inside, but that would ruin the only thing actually going for it - a 5 year warranty.

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    Quote Originally Posted by Matrixfy View Post
    Bingo! I won't be putting this one to any really stressful use. I think it's going in an HTPC.

    I'd open it up just to take a peek inside, but that would ruin the only thing actually going for it - a 5 year warranty.
    I agree that you would not want to go anywhere near 700W, but the ripple and voltage stability may be bad enough throughout its range that using it for anything may not be worth it.
    Core i7 4770K @4.3GHz + iGPU | GA-Z87X-UD4H | 2x8GB Crucial Ballistix DDR3@1600MHz
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    Samsung 840 Pro 512GB SSD | WD Black 4TB file disk | WD Red 3TB backup disk
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    Quote Originally Posted by ehume View Post
    I agree that you would not want to go anywhere near 700W, but the ripple and voltage stability may be bad enough throughout its range that using it for anything may not be worth it.
    Well, that statement wasted my morning fiddling with this thing!

    I decided to try testing voltage stability. Can't test ripple as my oscilloscope is packed somewhere. I also don't have a proper load tester.

    What I do have is a Kill-a-watt, a Fluke multimeter, and a bunch of hardware I don't worry about blowing up.

    I took an i3-4170 with 8gb of ram and tested 12v/5v voltages and power draw at the wall at idle and full power load with intel video, an Nvidia 450gts (TDP 106w), an Nvidia 580 GTX (TDP 244w), and - terrifyingly - two 580 GTX in SLI.

    To get the under load values I used Prime95 in the max power setting, and ran Furmark.

    Surprisingly nothing blew up, but I sure didn't run the SLI config for very long. When these cards where in my gaming rig, I was using an AX1200.

    The 580s need an 8pin and a 6pin each, but the power supply only has a single PCI-e cable with 2 6+2 connectors. I ended up using one 6+2 on each card, and two molex->6pin adapters (each on it's own molex string)



    Do not do this.

    There's a google spreadsheet with the results here:

    https://docs.google.com/spreadsheets...it?usp=sharing

    Anyone who checks that out and expresses concerns over testing a potential bomb on a motherboard like an Asus Maximus Hero VI - don't worry. It has damaged traces so 2 dimm slots don't work.

    5v values ranged from 5.2 to 5.27v from lowest to highest load.

    At idle, with no external video card, the 12v line read 12.13v, with 41w at the wall.

    At max load, under SLI, it was 11.6v, and was drawing between 550 and 700w at the wall. The SLI power draw was unstable, spending most of it's time at about 560w, with frequent jumps to 650w, and a couple of spikes to 700w. I imagine a lot of that was thermal throttling on the video cards, but I wasn't about to play with it to find out. The fan on the power supply was ramping up quite high, and I was getting about 46c at the exhaust.

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