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Title: Power Supply PSU Calculator Requirements Comparison Post by: btcminer021 on April 11, 2013, 04:14:31 PM Building a new system for about $1000. Using various PSU calculators, I've got a wide range of numbers and am not sure which are accurate. I've got a Kill-A-Watt so I will know for sure once the system is up and running, but for now it's an educated guess. What's your recommendation?
GPU: 3 x SAPPHIRE 100355-1GOCL Radeon HD 7850 1GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card OC Version PSU: 1 x Corsair Professional Series HX 850 Watt ATX/EPS Modular 80 PLUS Gold (HX850) MB: 1 x ASRock MB-970EX4 Socket AM3+/ AMD 970/ AMD Quad CrossFireX& nVidia SLI/ SATA3&USB3.0/ A&GbE/ ATX Motherboard CPU: 1 x AMD FX-4100 Zambezi 3.6GHz (3.8GHz Turbo) Socket AM3+ 95W Quad-Core Desktop Processor FD4100WMGUSBX RAM: 1 x Corsair Vengeance 8 GB ( 2 x 4 GB ) DDR3 1600 MHz (PC3 12800) 240-Pin DDR3 Memory Kit for Core i3, i5, i7 and Platforms SDRAM CMZ8GX3M2A1600C9 Case: 1 x LIAN LI PC-7HB Black Aluminum ATX Mid Tower Computer Case CPU Cooler: 1 x COOLER MASTER Hyper 212 Plus RR-B10-212P-G1 "Heatpipe Direct Contact" Long Life Sleeve 120mm CPU Cooler Compatible with Intel 1366/1155/775 and AMD FM1/FM2/AM3+ http://support.asus.com/powersupply.aspx ----------------------------------------- Your Recommended Minimum Power Supply is: 900 Watts http://www.msi.com/service/power-supply-calculator/ ---------------------------------------------------- Your recommended minimum power supply is: 572 Watts http://images10.newegg.com/BizIntell/tool/psucalc/index.html ----------------------------------------------------------- Our recommended PSU Wattage: 735 W http://www.extreme.outervision.com/PSUEngine ---------------------------------------------- Recommended PSU Wattage: 447 W http://www.matthewb.id.au/power/computer_power_consumption_calculator.html ------------------------------------------------------------------------------ Power Supply Rating Suggested: 1519 watts http://www.vbutils.com/powercalc.php ------------------------------------- our power supply rating should be greater than 641 watts. The winner will be announced soon! Title: Re: Power Supply PSU Calculator Requirements Comparison Post by: Benny1985 on April 11, 2013, 04:42:25 PM You're looking at about 600 watts of usage when everything is running - assuming you're not maxing out the CPU along with everything. A 750w PSU should be sufficient for what you're doing.
Title: Re: Power Supply PSU Calculator Requirements Comparison Post by: btcminer021 on April 12, 2013, 01:15:37 PM CPU will be pretty idle... GPUs only. Thanks!
Title: Re: Power Supply PSU Calculator Requirements Comparison Post by: btcminer021 on April 16, 2013, 04:47:16 PM To answer my own question, about 460Watts max with all 3xGPUs running at 100%. :)
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