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July 28th, 2020 21:00
RAM Dell Optiplex 390
I Bought 16GB DDR3 1866, but its stuck at 1333 i don't know if the motherboard just doesn't allow it to go any higher but if there is a way someone tell me I've tried to go into the bios and looking at every settings but i can't seem to find what im supposed to do to clock my ram at its corrected speed.
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bradthetechnut
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July 28th, 2020 22:00
Hi @smallChomosuke,
By any chance do you remember me linking the 390 Tech Guide in the thread you accepted my post as a solution?
1,333MHz is the max RAM speed for the 390. It can't be tweaked to a higher speed in BIOS.
There are other feasible speed tricks if you want to speed up your PC. More RAM for one, which you did. SSD's really do breathe new life into older machines.
From the 390 Tech Guide: