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‎11-02-2022 02:20 PM

HP Recommended

I have an HP Notebook 15, bw959sa .  I need to upgrade the current RAM (single slot 4gb) to 2 x 8gb minimum however I am getting mixed information from the HP website and parts lists whether I can use DDR3 or DDR4 RAM.  

The current RAM is 4GB 1Rx16 PC4 - 2400T - SCO-11 Samsung.  When I look up the RAM parts numbers in the Maintenance and Service Guide the 2GB and 4GB show DDR3 but the 8GB is DDR4.  Looking up on recommended partner websites shows mostly DDR4.  Which do I have, and what do I need to get the best RAM for my machine please?  I need to run Adobe Photoshop! Many thanks.

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