HP 8GB DDR5 (1x8GB) 4800 UDIMM NECC Memory memory module 4800 MHz Laptop - Windows and it cause unreliable connection

and it cause unreliable connection and slower speed

- Top mounted aerodynamic PSU shroud with integrated ARGB effects (ARGB strip only available on TG and RGB versions)

1") 1920 x 1200 pixels WUXGA LED Black

- 1GB DDR1 333MHZ Memory Module

DELL VM51C memory module 16 GB 1 x 16 GB DDR4 2666 MHz

HP 8GB DDR5 (1x8GB) 4800 UDIMM NECC Memory memory module 4800 MHz Laptop - Windows and it cause unreliable connectionHP 8GB DDR5 (1x8GB) 4800 UDIMM NECC Memory memory module 4800 MHz Key Features Internal Memory Type : DDR5 Memory Clock Speed: 4800 Error correction code? : No Memory Form Factor : Component For : Internal Memory : 8 Memory Layout (modules x size) : 1 x 8 Overview 8GB DDR5 4800 MHz PC5 38400 DIMM 288 pin non ECC Memory