Radeon HD 3850 512MB AGP

Dell / Dimension 4550
June 27, 2009 at 04:38:19
Specs: Microsoft Windows XP Home Edition, 2.392 GHz / 1023 MB
Hi all, I'm thinking about purchasing the SAPPHIRE 100228L Radeon HD 3850 512MB 256-bit GDDR3 AGP.


The card comes with a power cable. The power cable has a 8 pin connector for the slot on the graphics card and (x2) 4 pin connectors. I know the 8 pin connector connects to a 8 pin slot on the PSU but what about the (x2) 4 pin connectors? Do I plug them into two free slots into the (x2) molex plugs thats on the PSU? Or do I even need to connect them? I have a general idea but want to make sure.

Also, After reading reviews, some people said a single core processor (Pentium 4) might cause problems with the Radeon card and recommends a dual processor. I have a single processor which is a P4. What do you think about those claims? Also, one guy said "Large size, you need a full ATX case" is the card THAT large? Do you think it'll fit into my Dell Demension 4500? Also, another review said it burned out his 500W PSU and 600 is recommended for him. If the card specs is 450, shouldn't 500 be enough? My requirments are below...

Pc: Dell Dimension 4550 (XP HOME SP2)
CPU: Intel Pentium 4, 2400 MHz - 2.392 Ghz / 1024MB
RAM: DIMM1: (x2) 512 MB PC3200 DDR SDRAM
Old VC: NVIDIA GeForce FX 5600XT (256 MB)
Hard Drive: 55.8GB
Power Supply: 500W +12VDC @35Amps

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June 27, 2009 at 06:08:43
It looks like you should be good to go. The card requires 2 free 4 pin connectors on the PSU, that connect to the adapter ( 8pin). The card requires at least 30 amps on the 12 volt rail and you say you have 35. As far as size goes. The 4500 should be able to handle the size. The processor is fine and looks like you have the gig of ram recommended. It wouldn't hurt to max out the ram to 2 gigs. Good Luck.

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June 27, 2009 at 07:10:33
You're making this WAY too difficult. The card requires an 8-pin plug, correct? Does your PSU have an 8-pin plug? If not, you have to use the adapter. And how is the adapter designed? An 8-pin plug for the card & two 4-pin molex plugs that connect to the power supply. Yes, you HAVE to connect BOTH of them!

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June 28, 2009 at 21:19:10
Hi grasshopper,

The max amount of RAM that I can add to my system is "1024GB" (x2) 512's. Wish I could add 2GB.

Hi jam,

Yes i have a 8Pin connector on my PSU. So I would just take the 8 pin connector from my PSU and plug it into the graphics card 8 pin slot? That's it? I never used a GC that had a power cable with it, so I thought since it came with a power cable (adapter) that you MUST use it. So i don't even need to use the adapter then? Well lets just say if didn't have a 8pin plug on my PSU, how would I even connect the adapter since it comes with a 8pin plug? I would have to get a new PSU that does?

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