1pcs of 4GB PC3-12800, DDR3 1600mhz CL11 16c 256x8 204-pin SDRAM SODIMM. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS Memory Choices for this notebook 4GB DDR3 System Memory (1 Dimm) 8GB DDR3 System Memory (2 Dimm)
Compatible with: Toshiba Satellite C55D-B5244, C55D-B5308, C55D-B5310 Max memory 16GB Sockets 2