UMAX Technologies U-Box J51 Pro User Manual page 7

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U-Box J51 Pro
EXPANDING MEMORY - DDR4 SO-DIMM
You can change the memory of your mini-PC. The
supported type is DDR4 SO-DIMM. The maximum
memory size is 8 GB. Supported frequencies are 2400
MHz and 2666 MHz.
1. Unplug your mini-pc from the power adapter. Ground
yourself to avoid electrostatic discharge by touching any
metal object, for example radiator.
2. Unscrew two screws on the bottom side.
3. Remove the bottom cover.
4. Remove current memory module by pushing apart
clips that hold it.
5. Insert new memory module and press it down to fix it.
6. Put back the bottom cover and fix it by two screws.