4GB STICK For HP-Compaq EliteBook Series 2170p 2560p 2570p 2760p 8460p 8460w 8470p 8470w 8560p 8560w (Quad Core) (4 Slots) 8570p 8570w (Dual Core Processors) 8570w (Quad Core Processors) 8760w (Quad Core) (4 Slots) 8770w (Dual Core) 8770w (Quad Core) Folio 9470m Revolve 810. SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 4GB STICK SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq EliteBook Series. (See Compatibility List Below)