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450w or 500w PSU for this system?

Hi,
It will be enough a 450w PSU for this system or should i stay to 500w psu?

Intel Core i7 4770 Haswell 3.4ghz (http://ark.intel.com/products/75122/Intel-Core-i7-4770-Processor-8M-Cache-up-to-3_90-GHz)
Gigabyte NVIDIA GeForce GTX 750 Ti OC WINDFORCE 2X, 2048MB (http://www.gigabyte.com/products/product-page.aspx?pid=4948#sp)
MB - Gigabyte B85M-HD3
Antec P280 towercase
HDD Seagate Barracuda 1TB
Samsung evo 840 SSD, 120GB

Not planning for overclocking or crossfire in the future.

Th PSU i was thinking to get first is Super Flower Golden Green SF-500P14XE(HX) 500W (http://www.super-flower.com.tw/products_detail.php?class=2&sn=18&ID=107&lang=) but i was wondering if it will be enough the 450w version (Super Flower Golden Green Pro SF-450P14XE): http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=250

As far as i know the GPU will consume in load around 100w and the cpu based on the intel website the max TDP is 84w.

If i choose the 450w psu will it be at the limit? Right now the price difference is not much coz i can get the 500w at a promo and i have to pay around 5$ more.

Thanks.
3 answers Last reply Best Answer
More about 450w 500w psu system
  1. 450watt is enough for this build! :)
  2. Best answer
    I thought the 750TI was sub 75W? You should be looking at less then 200W with that system. A 450W is more then enough. If price is the same you might want to get the 500W. Overall difference is minor, and if you ever need those extra two Amps you won't need to buy a new PSU.
  3. 4745454b said:
    I thought the 750TI was sub 75W? You should be looking at less then 200W with that system. A 450W is more then enough. If price is the same you might want to get the 500W. Overall difference is minor, and if you ever need those extra two Amps you won't need to buy a new PSU.


    This is were i read that:
    http://www.guru3d.com/articles_pages/gigabyte_geforce_gtx_750_ti_windforce_review,5.html
    and also here
    http://cryptomining-blog.com/1141-a-bit-more-on-the-actual-power-usage-of-geforce-gtx-750-ti/

    But i was wondering if the system can be hold by a 450w psu and it is true.
    Anyway, because of the promo i will get the 500w psu.
    Thanks.
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