OWC 4GB DDR4 2400MHz PC4-19200 CL17 1.2V 260pin Non-ECC SODIMM Memory RAM Compatible with HP ProBook 450 G6 470 G5 640 G4 640 G5 645 G4

OWC 4GB DDR4 2400MHz PC4-19200 CL17 1.2V 260pin Non-ECC SODIMM Memory RAM Compatible with HP ProBook 450 G6 470 G5 640 G4 640 G5 645 G4 Voltage: 1.2V Compatible System: HP ProBook 450 G6 HP ProBook 470 G5 HP ProBook 640 G4 HP ProBook 640 G5 HP ProBook 645 G4 CAS Latency: CL17 Part Number: 2S4D41R804GB Type: 260-Pin DDR4 Non-ECC SODIMM Rank: 1Rx8 Parts: OWC Memory Lifetime Limited Warranty including Advanced Replacement Program