Help needed in choosing a PSU

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Pratham Khanna

Reputable
May 26, 2015
6
0
4,510
Hi! I am very new to PC Building and i'm getting my first PC Built within a few months. The most confusing part is the PSU, there are like a ton of PSUs and i just dont understand which one to choose :??:

Here are the specs -

Processor - Intel Core i7 7700 @4.2 GHz

Motherboard - Asus STRIX H270F GAMING ATX LGA1151 Motherboard

RAM - G.Skill TridentZ RGB 16GB (2 x 8GB) DDR4-2400 Memory

SSD - Samsung 120GB 2.5" Solid State Drive

HDD - Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive

GPU - MSI GeForce GTX 1060 6GB 6GB GAMING X Video Card

Case - Cooler Master MasterBox 5 (White) ATX Mid Tower Case

CPU Cooler - Not chosen as of yet.

The brands that i would prefer for the PSU are Corsair & Cooler Master as other brands like seasonic are either way overpriced or are not available in india.
My budget for the PSU is around 5000 Rs., however, if i can extend my budget to 6000-7000 Rs. if needed.
Any help is appreciated. :)


 
Solution
imsqam
The values quoted are "continuous wattage" although that is not really specific enough. Stated power supply wattages are supposed to be continuous wattages but on cheaper units they sometimes fudge these values. But it is the ability of the PSU to withstand peak wattage pulls that can go well above the rated values that separates the cheap units from the good ones.

To really determine the output of a PSU you have to break it down by voltage like JonnyGuru does in their reviews. You also have to see what is output when the PSU is cold (just turned on) or hot (has been on for a while). Here are reviews of the two PSU's.

CX430
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story2&reid=214

S12II-620...
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imsqam

imsqam

Splendid
Mar 25, 2011
1,912
1
23,960
Two suggestions from Indian online vendor. PSU build quality is very important for the safe operation of you PC. This is why you find Seasonic PSU's are more expensive, it is because they have better build quality. Here are two links that help determine PSU build quality.

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
http://www.realhardtechx.com/index_archivos/Page447.htm

Here are two suggestions and the PCPartPicker build

Good
https://www.theitdepot.com/details-Corsair+CX430+80+Plus+Bronze+Certified+Power+Supply+(CP-9020046-UK)_C14P26362.html

Better
https://www.theitdepot.com/details-Seasonic+620W+Power+Supply+(S12II-620)_C14P7878.html

PCPartPicker part list: https://in.pcpartpicker.com/list/8HWssJ
Price breakdown by merchant: https://in.pcpartpicker.com/list/8HWssJ/by_merchant/

CPU: Intel Core i7-7700 3.6GHz Quad-Core Processor (₹26950.00 @ Amazon India)
Motherboard: Asus STRIX H270F GAMING ATX LGA1151 Motherboard
Memory: G.Skill TridentZ RGB 16GB (2 x 8GB) DDR4-2400 Memory (₹13500.00 @ Amazon India)
Storage: Samsung 850 EVO 120GB M.2-2280 Solid State Drive (₹10450.00 @ Amazon India)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (₹3733.00 @ Amazon India)
Video Card: MSI GeForce GTX 1060 6GB 6GB GAMING X Video Card (₹18321.44 @ Amazon India)
Case: Cooler Master MasterBox 5 (White) ATX Mid Tower Case (₹10490.00 @ Amazon India)
Power Supply: SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply
Total: ₹83444.44
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-09 18:31 IST+0530
 
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P

Pratham Khanna

Reputable
May 26, 2015
6
0
4,510


Thanks for your reply! What is the continuous wattage of these PSUs ? I'm a noob so please don't mind :lol:
 
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P

Pratham Khanna

Reputable
May 26, 2015
6
0
4,510


I meant to say that what is the continuous wattage of these PSUs ? I mean there is a peak wattage and a continuous wattage, so ive heard that the PSUs which mention continuous wattage on them are better as they will work at a constant wattage and the peak wattage one will be real bad as it could be that the wattage goes up suddenly and down just as soon. I couldn't find any of this info for these PSUs so was asking it from you. :/

 
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imsqam

imsqam

Splendid
Mar 25, 2011
1,912
1
23,960
The values quoted are "continuous wattage" although that is not really specific enough. Stated power supply wattages are supposed to be continuous wattages but on cheaper units they sometimes fudge these values. But it is the ability of the PSU to withstand peak wattage pulls that can go well above the rated values that separates the cheap units from the good ones.

To really determine the output of a PSU you have to break it down by voltage like JonnyGuru does in their reviews. You also have to see what is output when the PSU is cold (just turned on) or hot (has been on for a while). Here are reviews of the two PSU's.

CX430
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story2&reid=214

S12II-620
https://www.bit-tech.net/hardware/psus/2014/06/20/550w-650w-psu-roundup/9
 
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Solution
P

Pratham Khanna

Reputable
May 26, 2015
6
0
4,510


Thanks a ton! Much appreciated. :) :bounce: I've decided to go for the Seasonic one! Yay! :D
 
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