Samsung ProXpress M453 Series User Manual page 73

Installing accessories
8
Upgrading a Memory Module(DIMM)
Your machine has a dual in-line memory module (DIMM). Use this memory module slot to install additional memory. We recommend the use of only genuine
Samsung DIMM's. You may void your warranty if it is determined that your machine problem is being caused by third party DIMM's.
The order information is provided for optional accessories (see "Available accessories" on page 61).
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3. Maintenance