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How much wattage my pc needs?

what's recommended wattage for my pc?and what's recommended psu?850w is enough?(i'm going to play ultra settings(1440p/4k)
CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler
Motherboard: Gigabyte GA-Z97X-GAMING 7 ATX LGA1150 Motherboard
Memory: Corsair Vengeance Pro 16GB (2 x 8GB) DDR3-1866 CL9
Storage: Sandisk Extreme II 240GB 2.5" Solid State Drive
Storage: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: Crossfire Sapphire Radeon R9 290X 4GB Tri-x Video Card
Case: Cooler Master Storm Trooper ATX Full Tower Case
Optical Drive: Sony 5280S-CB-PLUS DVD/CD Writer
Operating System: Microsoft Windows 8.1 Pro(OEM) (64-bit)
11 answers Last reply Best Answer
More about wattage
  1. Hi Yazan Zaid
    for crossfire r9 290x you will require 1000 watts
    get a quality psu from seasonic/xfx or any psu from corsairs TX,HX or AX range of psu's or evga supernova g2 series or coolermaster v series
    all of these have high grade japanese capacitors
  2. A single Sapphire Radeon R9 290X 4GB Tri-x Video Card has a system requirement of :

    System Requirements

    PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.
    1X75 Watt 6-pin PCI Express power connector is required.
    4096MBMinimum of system memory.
    Installation software requires CD-ROM drive.
    DVD playback requires DVD drive.
    Blu-ray™ / HD DVD playback requires Blu-ray / HD DVD drive.
    750 Watt Power Supply is required.
    1X150 Watt 8-pin PCI Express power connector is required.
    64-bit operating system highly recommended
    A display with digital input (HDMI, DisplayPort or DVI) is required

    I would recommend a power supply in the 1000 - 1100 watts for two R9-290X in crossfire. I would suggest Seasonic, XFX, or Antec power supplies.
  3. Also, the i7-4790K is tending to be hot. I would upgrade to a high performance CPU cooler.
  4. Where are you from ?
  5. should i get coolermaster Silent pro 1000w or get 1 r9 290x with coolermaster Real power pro 850w,BTW i'm from israel
  6. Coolermaster Silent Pro 1000w < Is the better of the 2
  7. SR-71 Blackbird said:
    Coolermaster Silent Pro 1000w < Is the better of the 2

    So to get silent pro 1000w(i didn't want to get it because it's tier 3!)?
  8. It's better than the other you listed.
  9. Tier 3 Brands - Power supplies fully able to meet ATX specs, although closer to the edges of the limits than higher tier units. Still solid units. :D
  10. OH FTS I MUST REPLACE THIS PSU:@ I GOT REAL POWER PRO OH GOD WHY
  11. Best answer
    your current psu has low grade capacitors , Poor quality capacitors break down quickly over time resulting in spiky voltage being delivered to the motherboard. This results in motherboard breakdown or poor cpu performance.
    I am not sure of price as i cannot read israel but here is an excellent psu with high grade japanese capacitors in israel
    http://www.goldtop.co.il/show_details.asp?prod_id=35487&catid=
    http://www.plonter.co.il/detail.tmpl?sku=X-1050
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