8GB KIT (2 x 4GB) For IBM-Lenovo Lenovo Notebook Series B470 B550 B560 B570 B575 G460 G465 G470 G560 G560e G570 G575 G770 V770. SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For IBM-Lenovo Lenovo Notebook Series. (See Compatibility List Below)