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October 3rd, 2025 05:38

Does Dell Pro Tower QCT1255 really support only DDR5-4800 (and not DDR5-5200)?

Dell Friends,

I recently bought a Dell Pro Tower (QCT1255) with the Ryzen 7 PRO 8700G.

I see that Dell's documentation specifies DDR5-4800 for this computer.

Yet meanwhile, AMD's documentation says that the Ryzen 7 PRO 8700G supports DDR5-5200.

If I put DDR5-5200 (or faster) RAM in to the QCT1255, will it run at only 4800 MT/s?  Or will it run at 5200 MT/s?

Thank you very much!

Rob Roy

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