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New Video Card in an Old System


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#1
nexuslotus

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I was informed that performance of graphics card not only depend on the graphics card itself, but also the other components of the system. Please advise me the relationship between graphics card and other components of the system. Also, based on my system specification, recommendation of any good video card that would be a perfect match would be appreciated.

Please help me, I don't want to run Porche in a street with maximum speed limit of 25mph. Is my new video card too good for my system?

For your reference, I mainly use my computer for playing 3D games such as World of Warcraft.

~New Graphics Card Spec~
EVGA NVIDA GeForce 9800 GT
Model #: 01G-P3-N981-TR
Interface: PCI Express 2.0 x16
GPU Core Clock Speed: 600 MHz
GPU Stream Processors: 112
Memory Size/Type: 1GB GDDR3 Memory
Effective Memory Clock Speed: 1800 MHz
Memory Bandwidth: 57.6 GB/sec
Memory Bus Type: 256 bit(64x4)
336 GFLOPS
Pixel Fillrate: 9600 MPixels/sec
Texture Fillrate: 33600 MTexels/sec
RAMDAC: 400 MHz
Supports DirectX 10.0 and OpenGL 3.0

Edited by nexuslotus, 20 July 2010 - 03:21 PM.

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#2
phillpower2

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HI nexuslotus :)
I would replace your psu before installing this card, here are the cards minimum
power requirements;
Minimum of a 400 Watt power supply.
(Minimum recommended power supply with +12 Volt current rating of 26 Amps.)
Your present psu details as in your signature are;
400W PSU 100-240V ~7A (50/60Hz)
Consider a psu something like this http://www.newegg.co...N82E16817171053
If you have not purchased the new gfx card yet I would suggest looking at the psu/gfx
card bundles newegg can offer.
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#3
nexuslotus

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Thanks for your advice.

I definitely want to upgrade my PSU. But, I've never purchased PSU separately before.

Are there different sizes of the PSU box? How do I make sure PSU I'm buying fits into my case?

I know for video cards, there are different sizes and kinds such as single slot/double slot, low profile ready, long/short stack, fan sticking out, etc.

I have SONY VGC-RC110G case. Please tell me how to make sure the size of the PSU I'm purchasing fits into my case?
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#4
phillpower2

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I have looked everywhere trying to find the dimensions of your psu
but I cannot find the info anywhere, the MB form factor is ATX and
that is straightforward enough but Sony apparently have their own
slim design psu in place.
So my advice would be to open your case and measure the psu that is
in place at present, this should include the Width, the Height and
the Depth, use this information before considering any purchase.
Just so you know it is possible I read someones system specs whilst
looking for information for your computer and they had a 650W psu
but unfortunately they did not list the make and model.
Please remember to disconnect the main power cord before opening the
case and take anti static precautions before touching anything inside
the case, you can do this by grounding yourself on a bare metal part
of the case.
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#5
nexuslotus

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I opened the case,and found this label on my PSU...

Brand: Delta Electronics, Inc.
Model: DPS-400QB A

Width 5 7/8"" (150mm) x Height 3 3/8"" (85.7mm) x Depth 4"" (100mm)

Input: 100V-127V ~8A, 200V~240V ~4A
47-63 Hz

Output:
.+5V / 20A, +3.3V / 20A
.+12V1 / 10A, -12V / 0.5A
.+12V2 / 17A, +5VSB / 2A

Total combined power on +5V & +3.3V can't exceed 130W
Total combined power on +12V1, +12V2 & -12V can't exceed 300W

Made in China

Edited by nexuslotus, 23 July 2010 - 11:03 AM.

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#6
phillpower2

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All the known brands such as Corsair & OCZ etc seem to be (W)150mm(H)86mm(L)140mm,
would this size fit?
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