661-5209 Mid 2009 15inch Macbook Pro - DDR3 1066, SO-DIMM, SDRAM, 2 GB NB-4006W
This is a 2GB Ram upgrade for various Mac models. THIS IS A SINGLE CHIP, NOT TWO CHIPS. Specs: 2GB DDR3 PC3-8500 SODIMM.
Apple part number: 661-5209
Compatible models: Unibody-Mid 2009-A1286, Unibody-Mid 2009-A1286, Unibody-Mid 2009-A1286, MC118LL/A, MB985LL/A, MB986LL/A,
Compatible Mac info. : 2.53GHz Core 2 Duo 15-inch 2.66GHz Core 2 Duo 15-inch 2.8GHz Core 2 Duo 15-inch Macbook Pro
661-5209 Mid 2009 15inch Macbook Pro - DDR3 1066, SO-DIMM, SDRAM, 2 GB