How to Check RAM Memory on a MacBook (5 Steps)

Click on the Apple menu from the MacBook desktop.
Scroll down to 'About This Mac,' then click.
Read the 'About This Mac' screen that pops up. Your RAM is listed next to 'Memory' under the 'Processor' information, such as '4 GB 667 MHz DDR2 SDRAM.'
Click on the 'More Info' button at the bottom of the window. Note the 'Contents' pane to the left side of the window. Click on the drill-down arrow next to 'Hardware.' Click on 'Memory.' The upper pane on the right lists the memory slots, size, type and speed of your RAM. The lower pane on the right lists the size, type, speed, status, manufacturer, part number and serial number of your RAM.
Close the window to exit.
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