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May 15th, 2024 18:16

Dell Optiplex 790 DT CPU & GPU Upgrade

Hello, I own a Dell Optiplex 790 series with 8 GB RAM and an i5-2400 CPU 3.10GHz (2nd Generation).

CPU: I came here to ask if this motherboard would be able to handle an Intel Core i5-4690K 3.5GHz Quad-Core (4th Generation) Processor. I also know that an i7-2600 processor is supported for this model, but it doesn't seem fast enough for modern games.

GPU: I would also like to know if a GeForce GTX 1050Ti would be supported by this motherboard. If yes, would it be able to run with the processor stated above?

RAM: I would like to know the maximum RAM the Optiplex 790 would support. And lastly, would this computer support DDR4 or DDR3?

P.S.: I know that I am highly obsessed with the Dell Optiplex older series; you could even check and see my past conversations about this particular model. But I mainly ask because I am working on finding the cheapest gaming PC that can run at a stable 60-120 FPS on a low-budget build. Not a lot of people are able to spend hundreds or even thousands of dollars on a simple machine that can run the latest graphics. My apologies if many of you community members are getting tired of the same questions.

9 Legend

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12.3K Posts

May 15th, 2024 19:36

So in order of your questions:

The best CPU would be a Gen2 which is what you have now, a Gen 4 will not work.

The 1050Ti should be fine even with the CPU you have now.

You have to use DDR3 RAM and the specs call for a maximum of 16GB but other users have successfully installed 32GB which for gaming is not a must have. !6 GB should be fine for most any game you want to run today.

And to be quite honest you do not have to spend big bucks to run newer games. I have a self built 4th Gen unit that runs most of the games I try on it. Granted you may have to reduce the resolution to get acceptable frame rates but it will work.

(edited)

6 Professor

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8.4K Posts

May 16th, 2024 21:15

No, that doesn't affect DDR version of RAM you use.  You have DDR3 RAM, right?  That's what a 790 is limited to.  One can't just switch DDR versions of RAM in a PC; it won't work.

GT 1030 GDDR5 will work just fine.  From this forum, I heard the GDDR4 versions are junk.

6 Professor

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8.4K Posts

May 15th, 2024 23:41

The 75w GTX 1050 Ti is outside of Dell's spec of 50w limit.  That doesn't necessarily mean not working, as many on YouTube have done it.  I don't know about the longevity though.

The 53w RX 6400 is a card you can play Fortnite and Minecraft on.  And there's more options...

Quadro's P400, 600, & 1000

Edited from PC Parts Bin:

Direct X 12 GPU's for modern rendering:
GT 1030 GDDR5
RX 550
RX 6400  (Beats GT 1030)

Direct X GPU's for previous decade rendering:

AMD R7 200 series (previous and branded from the ATI HD series graphics cards) Important - Check wattages.
GT 710, 720, & 730
55w GTX 750

1 Rookie

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21 Posts

May 16th, 2024 02:41

@JOcean @bradthetechnut Would an i7 2600 and a DDR3 Powercolor AMD R7 250x (DDR3) Graphics card work. If yes, would it support DDR3 or DDR4 RAM?

(edited)

9 Legend

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12.3K Posts

16-05-2024 11:26 AM

@AndiB10​ If you want a video card that will perform well in many games and is a low power draw why not try the GT1030 GDDR5 (not the GDDR4 version). I am using that in a budget build and get 75 FPS in games such as WoW.

I am not a Dell employee...I am forum volunteer

Serious work on an E5430 and constantly building and working on an i5-6500 Desktop

6 Professor

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8.4K Posts

May 16th, 2024 03:20

The R7 250x is an 80w card requiring 1x6-pin connection, so it's out.

When looking at a card, make sure it's LP (low profile) version.  Also, Google it's wattage and PSU requirements.

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1 Rookie

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21 Posts

May 16th, 2024 19:23

@JOcean @bradthetechnut If I were to get the GT1030 GDDR5, would that affect the memory modules, meaning that you have to get a GDDR5 RAM instead of regular DDR5?

9 Legend

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12.3K Posts

17-05-2024 13:40 PM

@AndiB10​ GDDR5 is the memory modules on the video card itself and has absolutely no bearing on the RAM installed on the motherboard.

I am not a Dell employee...I am forum volunteer

Serious work on an E5430 and constantly building and working on an i5-6500 Desktop

1 Rookie

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21 Posts

May 17th, 2024 20:56

@JOcean @bradthetechnut ALright! Well thank yall for helping me out finding the proper processors and graphics card, i'll look into it. Yall have a blessed day!

9 Legend

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12.3K Posts

17-05-2024 22:43 PM

@AndiB10​ Happy to help out!

I am not a Dell employee...I am forum volunteer

Serious work on an E5430 and constantly building and working on an i5-6500 Desktop

6 Professor

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8.4K Posts

May 17th, 2024 22:37

You're welcome!!  :)
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