OWC 16GB DDR4 3200 CL22 1.2V 260pin SODIMM HP ProBook 630 635 640 650 G8

HP ProBook G8 DDR4 SODIMM upgrade

This 16 GB DDR4 3200 MHz CL22 module is built for HP ProBook 630 G8, 635 Aero G8, 640 G8 and 650 G8 laptops. It uses a 260-pin unbuffered non-ECC SODIMM form factor and runs at 1.2 V. The kit targets owners of those specific models who want a straightforward memory increase.

Check your ProBook model and slot layout

Verify the exact model number on the service tag matches 630 G8, 635 Aero G8, 640 G8 or 650 G8. Confirm the laptop has a free SODIMM slot or that you are replacing an existing module. Ensure the current memory is also DDR4 3200 non-ECC so timings stay aligned. The module is 2Rx8 dual-rank; mixing ranks can affect stability on some platforms.

Thermals and power in daily use

The stick has no heat spreader and draws 1.2 V, so it adds minimal heat inside the chassis. Fan behaviour stays governed by the laptop’s existing thermal curve. Power draw is low for a 16 GB module, leaving the original power budget untouched. Acoustic profile is unchanged because the memory produces no audible noise.