Windows 7 - Is my 600 watt powersupply enough?

Is my 600watt power supply enough?

I am running an Intel Core 2 Quad Q8300 2.5ghz.
2 7200rmp HDDs (internal)
2 (external HDDs via USB 3.0) 7200rpm (3.5 wall powered)
23inch 1080p monitor
Basic Mouse, keyboard
2 sticks of DDR2 8gb
NVIDIA Geforce 560ti (factory overclocked)
USB 3.0 connected to PCI x1
DVD-RW drive

Is my 600watt enough for this? Thermaltake Brand.

I am asking this because my OS hung one time a few hours after the installation of my graphics card. It completely froze. I had to do a hard reset. Not sure if the powersupply was the reason. I just bought this PSU.

A little Googling suggests that 600 is enough, assuming you have a decent PSU. I have no idea if that Thermaltake is trash or not.

With this Newegg.com - Recommended Power Supply Calculator. I got you need 611W. Others will give different results but if it was mine I would go with at least a 750W unit for head room.

I would say yes, but some of the Thermaltake PSU are underpowered, but I don't think the 600W ones were.. What model?

eXtreme Power Supply Calculator

i use this website for calculating wattage. i've heard several good things about it and i like how it takes into account just about everything you can think of for components.

Sounds like a faulty RAM!

I haven't worked through this calculator for OP's setup (he didn't mention motherboard model, I don't think), but honestly I have to believe your 611W figure is way too high.

I'm basing this on my APC UPS status which tells me how much power is being used at the moment, as part of its calculation as to how much time could be supported by the battery should there be an outage.

I have a Supermicro C2SBX board with Intel E6850 3.0Ghz dual-core CPU, 4GB DDR3 memory, two 120mm case fans and large CPU cooler/fan. I have 2x7200rpm SATA drives, 1x10Krpm SATA drive, and 1x10K SCSI drive. Also have Adaptec 39320 PCI-x SCSI adapter, SATA BluRay/CD/DVD burner, HP DAT160 tape drive, ATI TV Wonder 650 PCI tuner card, Ceton 4-tuner PCIe card, USB 3.0 PCIe card, combo floppy disk/SD card reader, and ATI HD4850 PCIe video card. Also have two 24" Eizo LCD monitors. All of this is plugged into the battery-backup sockets of the UPS. Other peripherals (e.g. speakers, scanner, printer) go into the non-battery sockets.

And the UPS claims I'm using 360 watts (on the battery backup sockets), which is far below my Nesteq ECS6001 600W PSU's capability.

OP's only got two hard drives, and pretty much not much else. How could it add up to 611 watts?? I'm honestly curious (and dubious).

DSPerber:

I don't think those calculators even pretend to estimate what you will actually use. The "number" is the recommended wattage to shop for in a PSU, rather than what's used.

They make a guess as to what you will use and then add X to it--presumably for a bit of safety factor and to put you somewhere in the middle of the PSU's comfort range--rather than working it hard.

For instance: the system in my specs uses under 150 watts when pounded hard. The more conservative PSU calculator's say I should buy a PSU in the 300 to 325 range.

Make of it what you will.

I bought a 560 watt PSU only because it was the lowest wattage high quality modular I could find with a good 80 plus certification. I'd have gladly bought a 400, but none were to be had. I've read the PSU manufacturer's are reluctant to offer lower wattage high quality modulars primarily because of lower profit margins and the suspicion that there is little market for them. That could be true--people remain cuckoo for 700 watt units despite the trend toward lower power consumption. I'll leave it to you to ponder why that might be.

I briefly considered a fanless PSU at 400 watts but decided against it. The fan in the one I bought doesn't even spin until I get under a serious load.

Your Power Supply is more than enough for what you have. I am running a Corsair HX620, with a Q9550 Quad Core, 8GB of RAM, an SSD, an Internal HD, an external eSATA drive, a GeForce 570GTX, and 3 case fans in my Antec P182 and I'm under 500 watts.

That should be more than enough for your system. The system in my sig rarely pulls more than 300W, and I'm getting that from the UPC control panel applet.