16GB TOTAL memory consisting of 2pcs 204p PC3-12800 CL11 DDR3-1600MHz Compatible with: Samsung Series 9 Notebook NP900X4D-A01US Samsung Series 9 Notebook NP900X4D-A02US Lifetime Warranty by Computer Memory Solutions 30 day Money back guarantee We don't use oem or generic modules to avoid incompatibility Manufactured by Computer Memory Solutions Standard memory 4gb Maximum Memory: 8GB Expansion: 1 Socket(s)

• 204PIN DDR3 SODIMM
• DDR3-PC12800
• DDR3-PC1600
• 2PCS KIT
• CMS is a Trademark of Computer Memory Solutions

204PIN DDR3 SODIMMComputer Memory Solutions