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June 16th, 2021 06:00

Upgrading a CPU on Dell Optiplex 990 sff

Hello, Can I upgrade my cpu from i5 2400 to i5 3570k in my dell optiplex 990 sff?

 

11 Legend

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69.5K Points

June 16th, 2021 09:00

Also this is a 10 year old system. It may be time to consider a new or much newer system. That 2nd Generation CPU has served it's usefulness.

11 Legend

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June 16th, 2021 09:00

This tech document from Intel states that MB with Q67 Express chipsets cannot be upgraded from Generation 2 to Generation 3 CPUs. And see this Dell support document.

6 Posts

June 16th, 2021 10:00

So can I upgrade to Intel i5 2550k?

 

11 Legend

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47K Posts

June 16th, 2021 11:00

No because you dont have enough power in SFF cant use k series 95w cpus only 45w  to 65w S series

You will also find entire 4TH GEN system for the price of what users want for K SERIES CPU.

aka optiplex XE2

https://www.ebay.com/itm/284329360745

 

 

9 Technologist

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June 16th, 2021 17:00

Optiplex 990 Tech Guide 

Top CPU for the 990 SFF is the I7-2600.

As for "k" CPU's, 990 BIOS does not allow for OC.

6 Posts

June 16th, 2021 19:00

Funny enough I've upgraded my psu to 550W 80+ bronze psu by installing it outside the case. And yes I also install my gpu outside the case by using a riser cable. Can I still be able to install the i5 2550k?

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