Acer Predator PO5-605s User Manual - Page 18

18 - Upgrading your Computer Memory The computer has four DDR4 U-DIMM slots that support up to 64 GB maximum system memory. Memory configuration guidelines DIMM4 DIMM2 DIMM3 DIMM1  To ensure data integrity, use only Acer-approved DDR4 2400 MHz or DDR4 2666 MHz type memory modules.  Memory modules must be installed starting with DIMM1 slot.  Always handle memory modules by its edges.  When installing memory modules, populate the DIMM slots according to the table below. Size 4GB 8GB 12GB 16GB 8GB 16GB 24GB 32GB 16GB 32GB 48GB 64GB DIMM1 4GB 4GB 4GB 4GB 8GB 8GB 8GB 8GB 16GB 16GB 16GB 16GB DIMM2 N/A 4GB 4GB 4GB N/A 8GB 8GB 8GB N/A 16GB 16GB 16GB DIMM3 N/A N/A 4GB 4GB N/A N/A 8GB 8GB N/A N/A 16GB 16GB DIMM4 N/A N/A N/A 4GB N/A N/A N/A 8GB N/A N/A N/A 16GB