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Which 850w PSU? opinions wanted :)

post #1 of 22
Thread Starter 
Right, i need a 850w psu (worked out using physical testing methods and theoretical methods like the eXtreme PSU calc)
all i have chosen have enough connectors for what i require, i hear they are all made with Seasonic components (not 100% sure) i would just like to hear thoughts on each PSU and if it was your money which would you buy?

1. XFX Black Edition Modular Power Supply
single rail
semi modular
80 plus silver
5 year warranty
£113

2. Corsair AX
single rail
fully modular
80 plus gold
7 year warranty
£150

3. Cougar GX 800w (should be fine)
single rail
fully modular
80 plus gold
3 year warranty
£138

Possibly 4. Seasonic but hard to find info on these and not sure about warranty ect.

so XFX looks best yet i am sure people will be shouting corsair at me like i have seen on many other reviews, is that just build quality and service or something else ?
many thanks in advance
Terminator.
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Phenom II x4 965 M4a78t-E XFX 5770 XXX x2 CF OCZ Reaper 
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WD Velociraptor Mint (KDE), Win 7 ultimate. 3x 23" LG 2ms = 5760x1080 Dell BT 
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Terminator.
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Phenom II x4 965 M4a78t-E XFX 5770 XXX x2 CF OCZ Reaper 
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WD Velociraptor Mint (KDE), Win 7 ultimate. 3x 23" LG 2ms = 5760x1080 Dell BT 
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post #2 of 22
I know you worked this out, but what will the PSU be powering? We might be able to save a significant amount of money here.
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #3 of 22
I'd definitely go with the AX850, very solid PSU. You should go with it since Corsair's warranty service is pretty much top-notch also. I wouldn't trust XFX's warranty service nowadays, but that's just my own opinion.
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|Corsair Force GT 90GB|WD 820GB| |SamSung BluRay| |Stock Heatsink -_-| |Win 7 Ultimate x64| 
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~|Nanpa|~
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|Corsair Force GT 90GB|WD 820GB| |SamSung BluRay| |Stock Heatsink -_-| |Win 7 Ultimate x64| 
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|Samsung S27A950 120Hz 3D| |Microsoft SideWinder X4| |CorSaiR HX650| |Open TechBench|White LeDs|PurPle UV| 
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post #4 of 22
You could run that system without problems on a 400 watt power supply.
post #5 of 22
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
I know you worked this out, but what will the PSU be powering? We might be able to save a significant amount of money here.
5770's in CF with 6 raptors and then OC aswell and 2 liquid loops came to around 750ish on the calc what do you think? that wasn't taking into account the OC though :/

Quote:
Originally Posted by Ocnewb View Post
I'd definitely go with the AX850, very solid PSU. You should go with it since Corsair's warranty service is pretty much top-notch also. I wouldn't trust XFX's warranty service nowadays, but that's just my own opinion.
why woudlnt you trust XFX service? and bare in mind i am in the UK
Terminator.
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x4 965 M4a78t-E XFX 5770 XXX x2 CF OCZ Reaper 
Hard DriveOSMonitorKeyboard
WD Velociraptor Mint (KDE), Win 7 ultimate. 3x 23" LG 2ms = 5760x1080 Dell BT 
PowerCaseMouseMouse Pad
Corsair AX850 Thermaltake Soprano Dx Custom. Dell BT AlienWare 
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Terminator.
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x4 965 M4a78t-E XFX 5770 XXX x2 CF OCZ Reaper 
Hard DriveOSMonitorKeyboard
WD Velociraptor Mint (KDE), Win 7 ultimate. 3x 23" LG 2ms = 5760x1080 Dell BT 
PowerCaseMouseMouse Pad
Corsair AX850 Thermaltake Soprano Dx Custom. Dell BT AlienWare 
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post #6 of 22
Quote:
Originally Posted by Shrofff View Post
5770's in CF with 6 raptors and then OC aswell and 2 liquid loops came to around 750ish on the calc what do you think? that wasn't taking into account the OC though :/



why woudlnt you trust XFX service? and bare in mind i am in the UK
To power that kind of a system, even a high quality 650W would be more than enough. AMD recommends a 600W peak-rated power supply to power a system with two 5770s in it, so that actually means that any high quality 550W power supply would be enough for this intended build.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #7 of 22
go with the ax850.if you buy a mustang car are you gonna get it with the v6 motor
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seagate sata 1 tb samsung 850 evo 500gb ssd lg blueray corsair H105 
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logitech G110 evga supernova G2 750watt fractual design define XL R2 mx518 
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fx 6300 asus m5a99X evo asus gtx 670 2gb  8gb 1600mhz gskill ripjaws 
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coolermaster 922 denon 7.1,home theatre 
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amd 965x4 asus,m4n72-e asus gtx 570 1.25gb 8gb 800 gskill ddr2 
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samsung 840 evo lg cheap zalman something cpu cooler??,,,works pretty good lg 22 inch 
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coolermaster 850 antec 902 
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strix Z270E
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HAF 922
(14 items)
 
902
(11 items)
 
CPUMotherboardGraphicsRAM
I7 7700K strix Z270E asus gtx970 dcII 4gb 16gb gskill ripjaws 2400mhz 
Hard DriveHard DriveOptical DriveCooling
seagate sata 1 tb samsung 850 evo 500gb ssd lg blueray corsair H105 
OSMonitorMonitorMonitor
windows 10 home  asus 27inch 1080p  acer 24 inch 1080p acer 24 inch 1080p 
KeyboardPowerCaseMouse
logitech G110 evga supernova G2 750watt fractual design define XL R2 mx518 
Audio
sony wireless,,,headphones 
CPUMotherboardGraphicsRAM
fx 6300 asus m5a99X evo asus gtx 670 2gb  8gb 1600mhz gskill ripjaws 
Hard DriveHard DriveOptical DriveCooling
corsair 120gb ssd WD 1 tb 7200rpm lg blueray H100 
OSMonitorKeyboardPower
windows 7 home premium 50 inch 3d plasma 1080p,,smart tv logitech wireless  corsair tx 750 watt 
CaseAudio
coolermaster 922 denon 7.1,home theatre 
CPUMotherboardGraphicsRAM
amd 965x4 asus,m4n72-e asus gtx 570 1.25gb 8gb 800 gskill ddr2 
Hard DriveOptical DriveCoolingMonitor
samsung 840 evo lg cheap zalman something cpu cooler??,,,works pretty good lg 22 inch 
PowerCase
coolermaster 850 antec 902 
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post #8 of 22
Quote:
Originally Posted by Shrofff View Post
5770's in CF with 6 raptors and then OC aswell and 2 liquid loops came to around 750ish on the calc what do you think? that wasn't taking into account the OC though :/
I'd grab the XFX for that price. So, you're going to be using two separate pumps (1 for each loop)?
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post #9 of 22
I have the AX850 and have nothing but positive things to say about it. Though the manual that comes with it is poor...make sure to look at the back of the box. Also the cords are very thick and aren't too flexible. Otherwise, I love it.
post #10 of 22
As mentioned, you only need 650W max. 800W would be overkill.

There are two 650W XFX PSU's pretty cheap. The PRO version is awesome rated, however the XXX version is modular and also decent rated.
I would consider those if you need 4x PCI-e connectors for future graphics cards.
However, in case you only need 2x PCI-e, an Antec Earthwatts or a Seasonic around 600-650W should be plenty.

Don't trust them online PSU calculators ... !
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