Resistor & PotentiometerChina 67.6mm*30mm Wide Temperature Memory RAM DDR4 2r*4 8GB DDR Bulk RAM Memory for Laptop with Power-off Protection Function for Explosion-Proof Computers Black, Find details and Price about China Memory, DDR from 67.6mm*30mm Wide Temperature Memory RAM DDR4 2r*4 8GB DDR Bulk RAM Memory for Laptop with Power-off Protection Function for Explosion-Proof Computers Black