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500W Power Supply for Server with Intel Core 2 Duo E6300, 2GB RAM, 1x SATA HDD: Electricity Cost

redbull00 22446 15
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  • #1 9528426
    redbull00
    Level 15  
    Hello, I would like to put a server on a 500W power supply with the following parameters:
    RAM: 2GB
    Processor: Intel Core 2 Duo E6300
    Hard Drives: 1x SATA
    Graphics: Integrated

    The maximum power consumption of the processor is 65W. That the power supply is enough is rather a certainty, but I wonder how much it would cost me on electricity bills. Is there any way to calculate this? I would very much like an answer.
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  • #3 9528554
    redbull00
    Level 15  
    I have such a counter at home, but I would like to know roughly how much the bill for a month of such a server can be. I don't have the ability to turn off all electrical devices in the house to check how much electricity this server consumes.
  • Helpful post
    #4 9528572
    xury
    Automation specialist
    Then take an ammeter and measure the current, then calculate the power U*I*cos phi
    Then multiply by the time (in seconds) of operation and you get the result in watt seconds. Then convert to kilowatt-hours and multiply by the cost of the kilowatt-hour and the transmission fee. :)
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  • Helpful post
    #5 9528600
    _haker_1
    Level 32  
    So quickly - around PLN 50, assuming the cost of 1 kWh - PLN 0.50. It's not super accurate, but something around that. If you want an accurate calculation, you have to do as the colleague above advises you.
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  • #6 9528844
    redbull00
    Level 15  
    Ok, I can do that because I also have an ammeter, but where should I connect it? After all, the power supply has dozens of outputs...
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  • Helpful post
    #7 9528920
    Dra98
    Moderator of Computers service
    The easiest way to be as accurate as possible is to measure with a decent wattmeter.
    The processor has a TPD of 65W, but the consumption is - at max load - at the level of 90-100W, unfortunately.
    If the computer is not overloaded all the time [40-60%], the monitor will be turned off and the motherboard's chipset is not super power-hungry [eg NVidia 680i SLI], the consumption will be calmly below 100W, i.e. over 2 kilowatt hours per day.
    The measurement made with an ammeter will be inaccurate unless someone is familiar with physics\electronics, or an error of 20-30% is acceptable.
  • #8 9529223
    redbull00
    Level 15  
    At 18 groszy per 1kWh, it comes to 36 groszy per day, i.e. PLN 10.80 per month :) It's really not enough. Thank you for your help! I still plan to run a server on intel atom, it will be even cheaper then.
  • #9 9529446
    beo
    Level 37  
    A trivial remark, but we are talking about an alternating current ammeter, which is connected to the series of the computer's power cable. Added to this is the number of tariffs you have. If there is one, it's easier to count, but it's also a bit more expensive. Last year, 1Kwh cost 0.28gr + 0.19gr transmission + 22% VAT.
  • #10 9531136
    Brodi
    Level 32  
    e6300 + disk + g31 board = 85 - 100 W x 24 h = 2 - 2.5 kWh x tariff x 30 days and you have consumption. 85W idle, 100 at full load, on the 220W side, so you have 65 - 75 W at the output of the power supply at 75% efficiency, so branded 200 W is in contact. Why do you need 500W? at low load it will have an efficiency of 60% and will eat you over 120 W of the socket :]

    In the past, power supplies were of terrible quality, that's why Chinese 500 W were squeezed into office computers. Today I buy 350 W enermax or fortron for PLN 59 and connect 4 cores and 9800 GT to it, the computer pulls 220 W under stress, normally 130 W. Well, unless I I miscalculate this power, but the power of the power supply is the output power, i.e. if the power supply outputs 500W at 80% efficiency, it should take 625W from the socket? Skoto computer with GTX 560ti eats 300 W from the socket (i.e. it gives 240 W), so why do I need a 600 W power supply for PLN 400-600?
    I know that with age the power supply loses its stability and efficiency, but without exaggeration, it should work at a load below 50%.
  • #11 9531164
    xury
    Automation specialist
    Well, there are times when to sell something of dubious quality, astronomical numbers are given, such as: amplifier, 1000W speakers, 500W power supply, etc.
  • #12 9531358
    redbull00
    Level 15  
    E no power adapter is pro quality! 500W from Tracer! xD
  • #13 9534124
    appcontrol
    Level 19  
    Hello,

    I set up a similar server, except that the processor is 1 core, graphics on the board, 2gb of RAM + 6 sata drives combined in a software raid, the whole thing works on a Pentagram power supply and draws 40-50 PLN per month.
  • #14 9534270
    Lzep
    Level 39  
    redbull00 wrote:
    E no power adapter is pro quality! 500W from Tracer! xD
    Tracer is not a brand - it's total trash, a garbage can!
  • #15 9534347
    appcontrol
    Level 19  
    redbull00 wrote:
    E no power adapter is pro quality! 500W from Tracer! xD


    That was an irony :)

    By the way, Tracert power supplies sold in stores not for idiots reach prices of PLN 180. For this amount you can have a good Chieftec or Delta gym.

    If you spend about PLN 1k on components, spend time on the iik of the system, and finally put all the files and services you need there - and you power it all with logic or other class "power supply", there is no risk, no fun. Some time ago I worked in administration, IT department. We have announced the terms of the tender for new PC equipment. "Winner" delivered 56 PCs with power supplies made in china, they weren't even feel-good. The terms of the warranty did not allow for self-repair, so a courier greeted us several times a week :)
  • #16 9534738
    redbull00
    Level 15  
    This is what is divine in Chinese power supplies. I remember once I had a Pegas power supply or something and it started beeping. I knew right away that it was a bad symptom and in fact after 2 weeks it broke down for good, but luckily nothing happened to the computer. I gave it for "repair" and they put in a new one, which after a month exactly the same thing happened ... This tracer is also not working well. When I connected the radek hd4870 to it, it had a lot of voltage drops, so you can't rely on it too much. I bought a modecom 650W (for almost the same price!) and it pulls nice

Topic summary

The discussion revolves around estimating the electricity costs of running a server powered by a 500W power supply, featuring an Intel Core 2 Duo E6300 processor, 2GB RAM, and a single SATA HDD. Users suggest measuring power consumption using an ammeter or wattmeter, with estimates indicating a monthly cost of around PLN 50, depending on usage and local electricity rates. The power supply's efficiency is highlighted, with concerns about the actual power draw being higher than the processor's rated TDP of 65W, especially under load. Recommendations include using quality power supplies from reputable brands to avoid reliability issues, as some cheaper models may lead to voltage drops and failures.
Summary generated by the language model.
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