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recommended amount of power for CF 6870

post #1 of 8
Thread Starter 
Heys guys, just wondering what would be a decent amount of power in order to run CF 6870 with i5 2500k spec safely. Would a Corsair HX-650 do it?
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k ASRock Z68 Extreme3 Gen3 CrossFire HD6870 8GB G.Skill Ripjaws  
Hard DriveOptical DriveCoolingMonitor
160G Seagate, 200G Samsung, 320G WD Pioneer Dual layer watercooled Chimei 22' 
KeyboardPowerCaseMouse
G15 Cosair HX650 Thermaltake Armor LCS MX518 
Mouse Pad
Red 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k ASRock Z68 Extreme3 Gen3 CrossFire HD6870 8GB G.Skill Ripjaws  
Hard DriveOptical DriveCoolingMonitor
160G Seagate, 200G Samsung, 320G WD Pioneer Dual layer watercooled Chimei 22' 
KeyboardPowerCaseMouse
G15 Cosair HX650 Thermaltake Armor LCS MX518 
Mouse Pad
Red 
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post #2 of 8
Not sure how good your current PSU is.
A good 600-650 watt will do.
750 Watt to be safe.
Lawn Mower
(15 items)
 
  
CPUMotherboardGraphicsRAM
2500k 5GHZ ASUS Maximus Gene-Z ATI 6970+6950 cfx Redline 1866 8-8-8-24 
Hard DriveOptical DriveCoolingOS
128gb crucial c300 + 3tb storage LG DVD-RW Noctua nh-d14 Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
3x 22" LG Model m2 Antec TP new 650 Element T 
MouseMouse Pad
MX518 Steelseries 
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Lawn Mower
(15 items)
 
  
CPUMotherboardGraphicsRAM
2500k 5GHZ ASUS Maximus Gene-Z ATI 6970+6950 cfx Redline 1866 8-8-8-24 
Hard DriveOptical DriveCoolingOS
128gb crucial c300 + 3tb storage LG DVD-RW Noctua nh-d14 Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
3x 22" LG Model m2 Antec TP new 650 Element T 
MouseMouse Pad
MX518 Steelseries 
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post #3 of 8
A good 650W is more than enough (I run my overclocked 6950s off a 650W).

HX650 is absolutely fine.
space heater
(29 items)
 
S-HVH-01
(11 items)
 
PfSense
(5 items)
 
CPUMotherboardGraphicsRAM
Intel 2500k 4.7GHz  Asus P8P67 Pro(B3) 2 x Club3D 280X 3GB 16GB g.skill 1600MHz C9 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro 256GB 4 x 2TB Barracudas in RAID10 2 x WD Blue 1TB RAID0 2 x 3TB Seagate Barracuda 
Hard DriveHard DriveOptical DriveCooling
8 x 146GB HP 10k SAS - various RAID levels RAID Controller LSI 9260-8i 512MB LiteOn IHAS124 Noctua NH-D15 
OSMonitorMonitorMonitor
8.1 Enterprise Acer GD245HQ (120hz) LG W2420P LG IPS231P 
MonitorMonitorKeyboardPower
HP ZR24w LG 32LH3000 (w/IPS) Razer Blackwidow Antec TruePower New 750W 
CaseMouseAudioAudio
Corsair 750D Modified original G5 Asus Xonar PCIe Sennheiser HD595 
AudioAudioAudioAudio
Tannoy Mercury 5 NAD C165BEE Bowers & Wilkins 683 Cambridge Audio DACMagic+ 
CPUCPUMotherboardRAM
Intel® Xeon® Processor E5-2630 v3 (20M Cache, 2... Intel® Xeon® Processor E5-2630 v3 (20M Cache, 2... Lenovo RD650 128GB DDR4 ECC REG 
Hard DriveHard DriveHard DriveHard Drive
720ix 12Gbps SAS RAID Controller with 1GB FBWC RAID 0 - 2 x Intel S3500 120GB SSD (deduped VHD... Intel 530 120GB SSD RAID 10 - 8 x Seagate 146GB 10k SAS  
OSPowerCase
Windows Hyper-V Server 2012 R2 2 x LiteION 750W 80PLUS Platinum RD650 24x2.5" chassis 
CPURAMHard DriveOS
Intel® Xeon® Processor X5650  8GB ECC 2 x 146GB SCSI RAID1 PfSense 2.2b 
Other
Intel 4 x 1GbE 
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space heater
(29 items)
 
S-HVH-01
(11 items)
 
PfSense
(5 items)
 
CPUMotherboardGraphicsRAM
Intel 2500k 4.7GHz  Asus P8P67 Pro(B3) 2 x Club3D 280X 3GB 16GB g.skill 1600MHz C9 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro 256GB 4 x 2TB Barracudas in RAID10 2 x WD Blue 1TB RAID0 2 x 3TB Seagate Barracuda 
Hard DriveHard DriveOptical DriveCooling
8 x 146GB HP 10k SAS - various RAID levels RAID Controller LSI 9260-8i 512MB LiteOn IHAS124 Noctua NH-D15 
OSMonitorMonitorMonitor
8.1 Enterprise Acer GD245HQ (120hz) LG W2420P LG IPS231P 
MonitorMonitorKeyboardPower
HP ZR24w LG 32LH3000 (w/IPS) Razer Blackwidow Antec TruePower New 750W 
CaseMouseAudioAudio
Corsair 750D Modified original G5 Asus Xonar PCIe Sennheiser HD595 
AudioAudioAudioAudio
Tannoy Mercury 5 NAD C165BEE Bowers & Wilkins 683 Cambridge Audio DACMagic+ 
CPUCPUMotherboardRAM
Intel® Xeon® Processor E5-2630 v3 (20M Cache, 2... Intel® Xeon® Processor E5-2630 v3 (20M Cache, 2... Lenovo RD650 128GB DDR4 ECC REG 
Hard DriveHard DriveHard DriveHard Drive
720ix 12Gbps SAS RAID Controller with 1GB FBWC RAID 0 - 2 x Intel S3500 120GB SSD (deduped VHD... Intel 530 120GB SSD RAID 10 - 8 x Seagate 146GB 10k SAS  
OSPowerCase
Windows Hyper-V Server 2012 R2 2 x LiteION 750W 80PLUS Platinum RD650 24x2.5" chassis 
CPURAMHard DriveOS
Intel® Xeon® Processor X5650  8GB ECC 2 x 146GB SCSI RAID1 PfSense 2.2b 
Other
Intel 4 x 1GbE 
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post #4 of 8
HX650 should handle it well.
    
CPUMotherboardGraphicsRAM
i5-2500k Asrock Extreme 3 Gen 3 Z68 MSI R9 390 8GB Gskill Ripsaw 2x4GB 1600 Mhz 
Hard DriveHard DriveHard DriveOS
500GB 7200RPM 500GB 7200RPM Crucial M500 240GB SSD Windows 7 x64 
MonitorKeyboardPowerCase
22" 1680x1050 Razer Blackwidow Corsair TX650 V2 NZXT Phantom (Black) 
MouseMouse PadAudio
Logitech G9 Icemat V2 Eagle Tech ET-AR504LR-BK 2.1 
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CPUMotherboardGraphicsRAM
i5-2500k Asrock Extreme 3 Gen 3 Z68 MSI R9 390 8GB Gskill Ripsaw 2x4GB 1600 Mhz 
Hard DriveHard DriveHard DriveOS
500GB 7200RPM 500GB 7200RPM Crucial M500 240GB SSD Windows 7 x64 
MonitorKeyboardPowerCase
22" 1680x1050 Razer Blackwidow Corsair TX650 V2 NZXT Phantom (Black) 
MouseMouse PadAudio
Logitech G9 Icemat V2 Eagle Tech ET-AR504LR-BK 2.1 
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post #5 of 8
the manufacturer of mine requires a 600W with four 6 pin PCIE power connectors for xfire. some come with adapters. your psu might work.

consult this . . .

http://www.overclock.net/power-suppl...l-release.html
Second Intel Rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
2700 4.5/ 1.28 77 290 (2) 16 / 1866 
Hard DriveCoolingOSMonitor
1000 360/240 10 64 28 2160 
PowerCase
850 540 
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Second Intel Rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
2700 4.5/ 1.28 77 290 (2) 16 / 1866 
Hard DriveCoolingOSMonitor
1000 360/240 10 64 28 2160 
PowerCase
850 540 
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post #6 of 8
I run a pretty OCd I5 and two 6870s on my Seasonic X Series 660w with no issues.
post #7 of 8
I would get something more future proof (850W?) but 650 is more than enough.
My Rig
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k @ 4.8 GHZ 1.33v  ASUS P8P67 PRO 3.0 Sapphire AMD Radeon HD 7950 1000/1575 1.149v 12 GB Kingston DDR3 1600 MHZ 
Hard DriveHard DriveOptical DriveCooling
Kingston 96GB SSD  Caviar Green 1TB storage  Plextor PX-L890 SA 24x DVD-RW Noctua NH-D14 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit IPS Dell Ultrasharp U2412M 24" Logitech G110 Corsair AX1200  
CaseMouseMouse PadAudio
Cooler Master HAF X Razer Deathadder Razer Goliathus Asus Xonar DG 
Audio
JVC HA-RX900  
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My Rig
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k @ 4.8 GHZ 1.33v  ASUS P8P67 PRO 3.0 Sapphire AMD Radeon HD 7950 1000/1575 1.149v 12 GB Kingston DDR3 1600 MHZ 
Hard DriveHard DriveOptical DriveCooling
Kingston 96GB SSD  Caviar Green 1TB storage  Plextor PX-L890 SA 24x DVD-RW Noctua NH-D14 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit IPS Dell Ultrasharp U2412M 24" Logitech G110 Corsair AX1200  
CaseMouseMouse PadAudio
Cooler Master HAF X Razer Deathadder Razer Goliathus Asus Xonar DG 
Audio
JVC HA-RX900  
  hide details  
Reply
post #8 of 8
Just need a good 650w unit, HX650 would be a great choice
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