4GB G.Skill DDR3 PC3-12800 CL9 SQ Series Dual Channel Kit (2x2GB)

4GB DDR3 1600MHz laptop memory kit, comprising 2x 2GB modules, CL9, 204 pins. Suitable for laptops and notebooks using standard 1.5V DDR3 SO-DIMM memory. PC3-12800, rating of CL9-9-9-28 at 1.5V.

eBay