4GB KIT (2 x 2GB) For IBM-Lenovo IdeaCentre Series K200 K200 (5312-xxx) K210 (5313-xxx) K210 K230 (3559-xxx) K230 (5359-4DU) K230 (5359-4KU) K230 (5359-xxx) Q200 Q200 (5314-xxx) Q200 (5315-xxx) Q200 Q700 (3015-1AU) Q700 (3015-1CU). DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. 4GB KIT (2 x 2GB) DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For IBM-Lenovo IdeaCentre Series. (See Compatibility List Below)