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May 4th, 2023 07:00

OptiPlex 7090 MT, ram not working

I purchased 128 gigs in 4 DIMMS DDR 4 3200 for my 7090 MT i7-11700 and it does not recognize the ram.

I noticed stock ram is 1.2 V. This ram is 1.35 V.

https://www.newegg.com/g-skill-128gb-288-pin-ddr4-sdram/p/N82E16820232944?item=N82E16820232944

Could that be the issue ? 

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May 4th, 2023 08:00

That is high performance RAM and the 1.35V is due to the RAM factory overclocking. Remember that the Optiplex series is a business model and not designed for high performance RAM upgrades. For the 7090 that would not be compatible RAM. The most compatible would be at Crucial as found here.

1 Rookie

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May 4th, 2023 08:00

greatly appreciate it

11 Legend

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May 4th, 2023 09:00

Happy to help out!

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