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Silverstone ST1000 or DA850 or other <~$250?

post #1 of 17
Thread Starter 
For Reference:

ST1000

DA850


Hello,

I'm looking for a power supply for a new build that I am currently working on. I am considering the ST1000 or DA850 by Silverstone. They are both new products and as such have no reviews available about their quality.

The only requirements for the PSU that I am looking for is that I would like them to be:
  • modular
  • > (greater or equal than) 850W
  • < under $250 or so (excluding shipping)
  • Fit in my Lian Li V1000 Case (reverse ATX)
  • Have native 8 Pin (s)
  • Last Pretty Much Forever (So I don't have to upgrade next time)

I also am aware of the Ultra X3 but is more expensive and SilverStone seems to have a better reputation. Don't get me wrong its a great PSU, a bit too expensive for me. I've also looked at Thermaltake's line (750w/850w) and Enermax's DXX series, but have concluded that Silverstone has the best quality and customer service.

My Future Setup:
  • Intel Core 2 Quad Q6600 (Wanting to run at > 3.0Ghz
  • 4GB DDR2
  • Intel P35 Mobo or 680i
  • ATi HD 2900XT (Maybe 2 in the future)
  • X-Fi XtremeMusic
  • Hopefully a Water Cooling Setup With:
  • Swiftech Pump MCP655 (Largest)
  • Dual Rad
  • CPU + GPU Block in Loop
  • 4 Yate Loon Case fans (2 Case + 2 Rad)

Does anyone know if these two the DA850/ST1000 come with the correct 8-pin cables?

I've also posted a similar thread at Jonnyguru, but want to post here before I buy either tonight or tomorrow just to get more feedback. I know Chozart is a big fan of the DA850, and right now I am leaning towards the DA850, because its a DA and has an operating temp of 50C vs. 40C. The only drawback is a 150W less power, but I should still have all I need right? Another drawback is that I've heard that the DA850 Squeals like the DA750, any one had the problem?

Thanks in advance,
dr4gon
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post #2 of 17
i would go with the DA 850... with all those amps on one rail you cant go wrong
post #3 of 17
Agreed.

The DA850 is the better choice. The Decathlon series is better than the Strider series, and the 850W version (with 70A on a single 12V rail) is plenty power. Also, it has two PCI-E 8-pin connectors, which is what you need with dual 2900's.

That would be the best buy imo.
    
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post #4 of 17
Thread Starter 
Quote:
Originally Posted by kevg73 View Post
i would go with the DA 850... with all those amps on one rail you cant go wrong
That's another Pro I was thinking

DA850

Pros:
70A on 1 12V Rail
Better Build
0-50C Operating Temp

Cons:
Smaller Fan (by 15mm, not much)
150W Less
Heard it makes noise under load, especially heavy 3d load, and I have an R600
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post #5 of 17
The Decathlon Series is really really good. It's like a modular version of the PC Power and Cooling silencer (mine has the same 750W and 60A rails) and Silverstone is one of the best brands for quality, so you really can't go wrong.
    
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post #6 of 17
*any* high power PSU will make noise.... and likely that noise will be drowned out by the 2900 anyways

Also note that the Stider also delivers 70A on the 12V rails (dual rails in this case), so the difference in Wattage doesn't mean much, if anything.

I would pick the better of the two, which clearly is the DA850.
    
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post #7 of 17
Thread Starter 
just pulled the trigger and ordered it (DA850) from eastluna, thanks guys! Hope it's here by the weekend
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post #8 of 17
I used this thingy:

http://www.extreme.outervision.com/p...ulatorlite.jsp

and came up with 901 watts!!!

If you go crossfire or SLI, you may want a little more juice!!!
    
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post #9 of 17
Not sure what settings you used in there... for your rig, I get 780W, an I used liberal settings.

Breakdown:
  • Motherboard: high-end desktop - 51W; probably across all rails. Assuming 4A on the 12V rail.
  • CPU: E6600 @ 3.85GHz, Assuming 1.55V - 156W. All on the 12V rail, thus 13A on the 12V rail.
  • RAM: 10W. None on the 12V rail.
  • Video: 263W. I picked the 'overclocked' settings for the 8800's. 21.92A on the 12V rail.
  • HDD's: 4 SATA drives - 108W. Generally split between 12V rail and 5V rail. Assuming 6A on the 12V rail.
  • Optical: assuming a pair of DVD burners - 59A. 4.92A on the 12V rail.
  • PCI cards: assuming two for the heck of it... where you fit them, idk... - 30W. 2.5A on the 12V rail.
  • USB/Fan controller: assuming four USB devices and a fan controller: 18W. 1.5A on the 12V rail.
  • Fans: five high performance 120mm fan and one 250mm fan: 55A. 4.58A on the 12V rail.
  • Watercooling: 30W. 2.5A on the 12V rail.
Total 780W. Note that it basically never happens that all devices run at the same time at max load.

Cap aging? that's nonsense... they just add the % to total wattage. Not exactly a scientific method. Plus, we're talking about high-end, nearly industrial specified PSUs here... such Wattage loss would be completely unacceptable for these units. I know that if my PSU lost 10% of it's power after a year, it'll be on the way back to the manufacturer for an RMA claim!

Also, I included the estimated current on the 12V rail. The total will be nearly 61A. The 850W DA850 with 70A on the 12V rail is more than enough.

Note that I included items I just guessed about. If he doesn't have a fan controller, all the USB devices (mouse and keyboard are included by default), and only one optical drive, that saves another 77.5W / 6.46A on the 12V rail.
    
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post #10 of 17
Thread Starter 
Quote:
Originally Posted by Chozart View Post
Not sure what settings you used in there... for your rig, I get 780W, an I used liberal settings.

Breakdown:
  • Motherboard: high-end desktop - 51W; probably across all rails. Assuming 4A on the 12V rail.
  • CPU: E6600 @ 3.85GHz, Assuming 1.55V - 156W. All on the 12V rail, thus 13A on the 12V rail.
  • RAM: 10W. None on the 12V rail.
  • Video: 263W. I picked the 'overclocked' settings for the 8800's. 21.92A on the 12V rail.
  • HDD's: 4 SATA drives - 108W. Generally split between 12V rail and 5V rail. Assuming 6A on the 12V rail.
  • Optical: assuming a pair of DVD burners - 59A. 4.92A on the 12V rail.
  • PCI cards: assuming two for the heck of it... where you fit them, idk... - 30W. 2.5A on the 12V rail.
  • USB/Fan controller: assuming four USB devices and a fan controller: 18W. 1.5A on the 12V rail.
  • Fans: five high performance 120mm fan and one 250mm fan: 55A. 4.58A on the 12V rail.
  • Watercooling: 30W. 2.5A on the 12V rail.
Total 780W. Note that it basically never happens that all devices run at the same time at max load.

Cap aging? that's nonsense... they just add the % to total wattage. Not exactly a scientific method. Plus, we're talking about high-end, nearly industrial specified PSUs here... such Wattage loss would be completely unacceptable for these units. I know that if my PSU lost 10% of it's power after a year, it'll be on the way back to the manufacturer for an RMA claim!

Also, I included the estimated current on the 12V rail. The total will be nearly 61A. The 850W DA850 with 70A on the 12V rail is more than enough.

Note that I included items I just guessed about. If he doesn't have a fan controller, all the USB devices (mouse and keyboard are included by default), and only one optical drive, that saves another 77.5W / 6.46A on the 12V rail.
hmm thanks for that quote, I checked the psu calculator and came to the conclusion that it just isn't anywhere near accurate, as it's gone over the limit of my old 500W PSU on my current setup in my sig.

My future setup will be a (to add more detail)

Lian Li V1000 Case
Intel Q6600 (O/Ced to 3.0Ghz+)
4gb DDR2 (Corsair or similiar high end)
Asus/Gigabyte P35 Motherboard
1 Seagate 7200.10 500GB SATA HDD + maybe another RAID0
1 or 2 HD 2900XTs
Creative X-Fi Xtrememusic Sound Card
Netgear Wireless PCI Super G Ethernet adapter
2 UV Cathodes
2 DVD-RW DVD Burners
1 Floppy
1 Nexus Fan controller
2 Yate loon case fans (120mm each)
1 240mm Radiator with 2 more 120mm fans
Swiftech MCP655 12V DC Pump

In total it goes over 1000W in the power supply calculator, depending on the Q6600 overclock.

That seems to be my final setup, still debating whether or not to add/subtract another 2900XT and water cooling, depending on my budget in the coming months.
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