Tom's Hardware > Forum > Homebuilt Systems > General Homebuilt > Will a PSU that needs 11A input current run on a 10A power cord?

Will a PSU that needs 11A input current run on a 10A power cord?

Forum Homebuilt Systems : General Homebuilt - Will a PSU that needs 11A input current run on a 10A power cord?

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kjdrew35000   11-12-2009 at 04:40:30 AM

Will a PSU that needs 11A input current run on a 10A power cord?

Here is the specs for the PSU but it came with a 10A power cord.


Brand COOLMAX
Model CUG-950B
Spec
Type ATX12V V.2.2
Maximum Power 950W
Fans 135mm Silent Fan
PFC Active
Main Connector 20+4Pin
+12V Rails 4
PCI-Express Connector 2 x 6-Pin, 2 x 8-Pin
SATA Power Connector 6
SLI Certified
CrossFire Ready
Modular Yes
Efficiency 84%
Over Voltage Protection Yes
Overload Protection Yes
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 11A
Output +3.3V@30A,+5V@30A,+12V1@20A,+12V2@20A,+12V3@25A, +12V4@25A,-12V@0.8A,+5VSB@6.0A
Approvals CB, CE, FCC, TUV, cUL
Features
Connectors 1 x Main connector (20+4Pin)
1 x 12V(P4)
1 x 12V(8Pin)
8 x peripheral
6 x SATA
2 x Floppy
4 x PCI-E
Features Quad +12V output rails
Advanced double forward circuit and double-layer PCB
Active power factor correction
Super high efficiency maximum 84%
High power cable management enables safely select wiring
Ultimate balance between cooling and noise level
Honey Comb Structure with best ventilation
Dual PCI-Express power connectors fully support SLI & Cross-Fire system
All output cables with nylon sleeving
Gold plated terminal
Flexible connector & system design
Patented easy swap connector

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Silver Home Brew badge hunter315   11-12-2009 at 04:53:03 AM
- 0 +

Unless you are running it at full load it wont draw anywhere near that much power. Power cables are well insulated so the chances of it being an issue are low, as the only time it would ever draw anywhere near that much power is if it was trying to output all 950 watts of power at 80% efficiency, very few systems will ever require anywhere near that much power so the odds of you even encountering a situation where it needs more than 8 are low, because at 80% efficiency 8 amps will allow for 700 watts of power to the system.

Message quoted 1 times
Reply to hunter315
kjdrew35000   11-12-2009 at 05:14:57 AM
- 0 +

hunter315 wrote :

Unless you are running it at full load it wont draw anywhere near that much power. Power cables are well insulated so the chances of it being an issue are low, as the only time it would ever draw anywhere near that much power is if it was trying to output all 950 watts of power at 80% efficiency, very few systems will ever require anywhere near that much power so the odds of you even encountering a situation where it needs more than 8 are low, because at 80% efficiency 8 amps will allow for 700 watts of power to the system.



TY for the quick response hunter.

Reply to kjdrew35000
bgd73   11-12-2009 at 06:43:34 AM
- 0 +

you'll pop a vrm long before you max anything...
damn these people with dollars and dumb.

Message quoted 1 times
Reply to bgd73
kjdrew35000   11-12-2009 at 09:08:15 PM
- -1 +

bgd73 wrote :

you'll pop a vrm long before you max anything...
damn these people with dollars and dumb.



I am far from being dumb and as for money, Well lets just say i could buy and sell millions of you and still have change left over.

Reply to kjdrew35000
Bronze Home Brew badge jsc   11-13-2009 at 08:29:13 PM
- 0 +

hunter is right. First, you will probably never pull max power out of the PSU simply because you will never max ourt the 3.3 and 5 volt rails.

What you can do is check the power cord by touch. As long as it feels no more than slightly warm, you'll be OK.

Reply to jsc
kjdrew35000   11-13-2009 at 09:03:07 PM
- 0 +

Thanks guys for the help found out it is a bad PSU, RMA it and a new one is on its way!

Reply to kjdrew35000
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