Efficient PSU for home server application

[aliasxneo]

Hello,

I'm looking to find an efficient PSU for a home server. Here is my current build:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690 3.5GHz Quad-Core Processor ($200.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($19.99 @ Newegg)
Motherboard: Gigabyte GA-H97M-D3H Micro ATX LGA1150 Motherboard ($68.00 @ SuperBiiz)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($29.99 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($29.99 @ Newegg)
Case: Cooler Master N200 MicroATX Mid Tower Case ($27.99 @ Newegg)
Power Supply: EVGA 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($77.99 @ NCIX US)
Total: $454.94
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-11-30 05:36 EST-0500

Ignore the current PSU as I know it's too much. PCParkPicker estimates that build will consume about 172 watts. However, I'm having a hard time finding a reliable, efficient, and low power PSU. Any suggestions?

 

[Ra_V_en]

http://pcpartpicker.com/part/fractal-design-power-supply-fdpsuts2b500w

http://pcpartpicker.com/part/seasonic-power-supply-ssr450rm

http://pcpartpicker.com/part/xfx-power-supply-p1550gts3x

Yes it's hard to get better deal than that EVGA, but above you have few examples.

 

[aliasxneo]

http://pcpartpicker.com/part/fractal-design-power-supply-fdpsuts2b500w

http://pcpartpicker.com/part/seasonic-power-supply-ssr450rm

http://pcpartpicker.com/part/xfx-power-supply-p1550gts3x

Yes it's hard to get better deal than that EVGA, but above you have few examples.

I like the look of that seasonic. Do you think it's worth the extra money to get the fully modular/platinum one?

https://pcpartpicker.com/part/seasonic-power-supply-ss400fl2

 

[Aefuan]

http://pcpartpicker.com/part/fractal-design-power-supply-fdpsuts2b500w

http://pcpartpicker.com/part/seasonic-power-supply-ssr450rm

http://pcpartpicker.com/part/xfx-power-supply-p1550gts3x

Yes it's hard to get better deal than that EVGA, but above you have few examples.

This ones are good. You could also check the SeaSonic S12G 450w PLUS GOLD. Cheap, eficient and quality one.

 

[Ra_V_en]

https://en.wikipedia.org/wiki/80_Plus

Look at those numbers the average difference between 80 Bronze and 80 Gold are like 5-6% but Gold vs Platinum is like 2%.
Calculate your yearly power usage of that PC unit, put a % on that number and you will know is it worth it or not. If you get it back within 1-2 years then yes it's worth it, if not forget about it.
I personally bet it's not worth it.

Edit:
I've calculated a typical scenario for my country and my power usage.
I pay like $300 yearly for electricity bill, probably half of this is a mediocare use of my PC. Now if you count this 5% it means i would save 7,5$ yearly on a Gold rated PSU compared to Bronze, meaning if I find +15$ more expensive Gold rated PSU it might be worth considering. Generally for my scenario it's hardly any good deal even to bother with PSU's more than Bronze rated considering energy savings.
You can have much more savings on CPU/GPU than that and with % that actually start matter.

 

[aliasxneo]

I estimated the 2%, and it looks like the return would be more than a couple of years.

That being said, any idea which is the more reliable manufacturer here?

https://pcpartpicker.com/part/corsair-power-supply-cs450m
https://pcpartpicker.com/part/seasonic-power-supply-ssr450rm

The Corsair is a bit cheaper and from the specs they look pretty similar.

 

[Ra_V_en]

My blind shot would be a Seasonic but despite many people on TH will tell u CS series of corsair ain't any special, reviews show it's still a good PSU:
http://www.anandtech.com/show/9343/the-corsair-cs450m-psu-review/5
http://www.legitreviews.com/corsair-cs450m-power-supply-review_132526

Btw look on the price on partpicker, there is some in mail rebates and promotions, the final price may vary much.

 

[aliasxneo]

My blind shot would be a Seasonic but despite many people on TH will tell u CS series of corsair ain't any special, reviews show it's still a good PSU:
http://www.anandtech.com/show/9343/the-corsair-cs450m-psu-review/5
http://www.legitreviews.com/corsair-cs450m-power-supply-review_132526

Btw look on the price on partpicker, there is some in mail rebates and promotions, the final price may vary much.

Thank you for the help!