HD 5450 with 180W?


I am thinking of getting HD 5450 for my HP Slimline, I know it will fit in to my case but my only problem is the power supply.

My PC: http://goo.gl/UmjiT

My HP Slimline has 180W PSU, and the HD 5450 uses 19.1W MAX (I think)

I can’t buy a new PC till next year.

I only want the HD 5450 to run 2 games:

Call Of duty modern warfare 2 on playable frame rate (30+) even if it`s on lowest setting I don’t mind, also Call of Duty 4.

I got an idea and I am not sure if it will work 100%, I am thinking of taking the CD/DVD drive out because I don’t use it at all not even once in a year, that might just give me a few watts.

What do you think? Also what will be the worst case scenario? I am only scared that my PSU might blow up? Also I can’t buy a PSU at the minute.

Thanks for your time.
8 answers Last reply
More about 5450 180w
  1. You should be fine, the HD 5450 doesn't use external power, so it will just draw power from the MB.

    If you wanted to unplug the optical drive, that would help a bit as well.
  2. I disagree, this will cause problems. the fact the unit is only 180 watts, that should be okay but, the 12volt rail only have around 12-13 amps. That will cause issues.
  3. The PCIe slot is engineered to provide up to 30W of power for devices. The 21Pin ATX power connecter, is also engineered to provide proper power for said devices.
  4. 5450 should work fine on that psu. Dont worry.
  5. Test System Specs
    - Intel Core i7 965 Extreme Edition (Overclocked @ 3.70GHz)
    - x3 2GB G.Skill DDR3 PC3-12800 (CAS 9-9-9-24)
    - Seagate 500GB 7200-RPM (Serial ATA300)

    your fine. no need to start cannibalizing your system; removing the dvd drive to run that card; the above test system will draw more power than that coreduo.
  6. @itzdanielp so lets say something goes wrong, and it needs more power what will happen? will my power supply blow up? or the computer will just shutdown?
  7. more than likely you would get some pretty heavy stuttering on your screen. Since the GPU couldn't get the power needed.

    But I really don't think you would have a problem.
  8. @itzdanielp Ok, Thanks a lot, I shall buy it soon :)
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