there's a slow stock ram problem goin on with Legion 5 Pro laptops. My Legion 5 Pro has these two rams Samsung 8gb (x8) & SK Hynix 8gb (x16), I know x16
SK Hynix HMA81GS6DJR8N-XN 8GB DDR4 PC4-3200AA-SE1-11 for XPS 9700 9500 X1 Carbon Extreme Gen 3 Alienware 51M R2 Asus Laptop (8GB DDR4 PC4-3200AA) at Amazon.com