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Whats the Best Water/Liquid Cooling for my RIG? - Page 2

post #11 of 12
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post #12 of 12
Actually the difference between the two pumps from the specs say the DDC has better head pressure (22ft vs 11ft), but LOWER flow rate (117gph vs 317gph).

So in the end which one flows better probably depend on how much pressure drop your loop has: If you have a more free flowing loop, you might actually get better performance with the MCP-655

And while the derlin top does help with pressure and flow, it's not a huge difference, the big benefit is going to 1/2" barbs:

Stock DDC-2 (18W) Specifications:
Nominal Voltage: 12 VDC
Operating Voltage range: 8 - 13.2 VDC
Minimum Starting Voltage: 9 VDC
Nominal Power (@12 V): 18 W
Nominal Current (@12 V): 1.46 Amp
Motor Type: Electronically commutated, brushless DC, spherical motor
Maximum Head: 20.2 ft (6.1 m)
Maximum Discharge: ~ 120 GPH (454 LPH)

Connection Size: 3/8" barbs
Maximum Pressure: 22 PSI (1.5 BAR)
Temperature Range: Up to 140°F (60°C)
Noise Level (Swiftech's Results): 30 ~ 32 dBA in a quiet room @ 2'
Electrical Connector: 4pin Molex
Weight: 7.3 oz (207 gr.)
RPM Sensor: 3 pin connector



Specifications:

Model name: MCP655
Nominal Voltage: 12 VDC
Operating Voltage range: 6 - 14 VDC
Nominal Power (@12 V): 24 W
Nominal Current (@12 V): 2 Amp
Motor Type: Brushless, microprocessor controlled
Maximum Head: 11 ft. (3.35 m)
Maximum Discharge: ~ 317 GPH (1200 LPH)
Connection Size: 1/2" barbs
Maximum Pressure: 50 PSI (3.5 BAR)
Temperature Range: 32 - 140 F (0 - 60 C)
Electrical Connector: 4pin Molex
Weight: 1.4 lb (650 g)
Impeller Housing Material: Noryl®

But either one is an awesome pump, so whatever works for you. If I had to make a recommendation to anyone, I'd say save a few bucks and get the non-variable 655:

http://www.sidewindercomputers.com/swmc12vdcpuw.html
    
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CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
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