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A bit of advice about my PSU problem...

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#1
Well I got a Tagan BZ-600 back in April, all worked fine and dandy until I got my 4870 and it started whining when under load. Tested every component, swapped stuff out, ran it on an entirely different PC and still there was the whining when the graphics card was under load.

So on the 18th of July I shipped it off to Nanopoint (Tagans RMA department in the UK) and got a supposed brand new one back today. New serial number, no signs of repair or use, packaged up as if it was brand new.

Same issue, only worse. Constant whining, and gets worse under load.

The power delivery is still solid (can only check via BIOS, no tools to test this accurately) and it can run anything at full. Went back to stock, still happened. Swapped back to my 3870. Still happened.

So I've sent them an email back explaining the situation, but considering their entire silence throughout the RMA process (never even knew they'd received it) it isn't really a good sign I'll get a prompt response. I posted on their forums, but again, got no response last time.

Basically I'm just wondering what to do.

I was recommended Tagan by a friend who said they were solid, but 2 units now with the same issue, but my old apparently lesser quality Hiper can power everything (minus the 4870 - not enough connectors) just fine with no whining at all.

So, should I demand my money back from Nanopoint and get another PSU unit, if so, which one? I won't do modular with plastic plugs, seen too many melted to ever risk that, so non-modular is preferable.

Or should I just hope Nanopoint can give me a better unit this time around?
 

Damian^

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#2
Are you using any adapters?
 
Joined
Nov 8, 2006
Messages
5,052 (1.25/day)
Likes
540
Location
Manchester, United Kingdom
Processor AMD FX 8320 @ 4GHz
Motherboard Gigabyte GA-990FXA-UD5 rev1
Cooling Corsair H70
Memory 4 x 4GB DDR3 Ripjawz 1600Mhz
Video Card(s) Sapphire Vapor-X AMD R9 280X
Storage 1 x 500GB Samsung Evo 850, 1 x 500GB Vrap Data Drive, 3 x 2TB Seagate, 1 x 1TB Samsung F1
Display(s) 3 x DGM IPS-2402WDH
Case Coolermaster HAF X
Audio Device(s) Onboard
Power Supply Coolermaster 1000W Silent Pro M
Mouse Logitech G502
Keyboard Logitech G510
Software Windows 10 Pro x64
#3

Damian^

New Member
Joined
Jul 24, 2008
Messages
552 (0.16/day)
Likes
45
Location
Texas
System Name Quad Damage
Processor AMD Phenom II x4 965
Motherboard MSI 785GM-E65
Cooling Thermaltake Contac 29
Memory DDR3 6gb 1533Mhz
Video Card(s) 9800gt (HD4200 for now)
Storage Seagate 250GB 7200RPM/Hitatchi 500GB
Display(s) Acer AL2216 22" (1680X1050)
Case Antec 300
Power Supply Corsair VX550W
Software Vista Home Premium 64bit
#4
I would say its the molex that are having trouble delivering output but if you say it works with your Hiper, seems the Tagan power supply is the culprit.
My suggestion to you just send it back for a different power supply.

Tagan is strange you really have to do your work when buying a power supply from them. They are made by TOPOWER which makes fine power supplies for brands such as OCZ, Mushkin, and BFG. But also make some crappy one for companies like aerocool, raidmax, dynapower ect.. Could be that unit you have is not of good quality.
That's just my assumption though.
 
Joined
Nov 8, 2006
Messages
5,052 (1.25/day)
Likes
540
Location
Manchester, United Kingdom
Processor AMD FX 8320 @ 4GHz
Motherboard Gigabyte GA-990FXA-UD5 rev1
Cooling Corsair H70
Memory 4 x 4GB DDR3 Ripjawz 1600Mhz
Video Card(s) Sapphire Vapor-X AMD R9 280X
Storage 1 x 500GB Samsung Evo 850, 1 x 500GB Vrap Data Drive, 3 x 2TB Seagate, 1 x 1TB Samsung F1
Display(s) 3 x DGM IPS-2402WDH
Case Coolermaster HAF X
Audio Device(s) Onboard
Power Supply Coolermaster 1000W Silent Pro M
Mouse Logitech G502
Keyboard Logitech G510
Software Windows 10 Pro x64
#5
I would say its the molex that are having trouble delivering output but if you say it works with your Hiper, seems the Tagan power supply is the culprit.
My suggestion to you just send it back for a different power supply.

Tagan is strange you really have to do your work when buying a power supply from them. They are made by TOPOWER which makes fine power supplies for brands such as OCZ, Mushkin, and BFG. But also make some crappy one for companies like aerocool, raidmax, dynapower ect.. Could be that unit you have is not of good quality.
That's just my assumption though.
I know it's made by Topower, I was in fact recommended this PSU by a friend, wish I hadn't listened now.

I can see why you would say that, but I did nothing more than reconnect this PSU to the same places the Hiper was connected and I'm having this issue, and it's definately NOT the 12v lines that are powering the fans anyway. If I play a game depending on how much work is on the screen the whining gets worse (my fans always spin at full speed, I hate variable speed).