A-Tech 8GB Memory RAM for Asus/ASmobile X Series X75A-Xh51 - DDR3 1600MHz PC3-12800 Non ECC SO-DIMM 2Rx8 1.5V - Single Laptop & Notebook at Amazon.com
A-Tech 8GB Module for ASUS X75A Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS393839B12351X1) at Amazon.com
CMS 4GB (1X4GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Asus/Asmobile® X Series Notebook X75A, X75A-Xh51 - A20 at Amazon.com
A-Tech 8GB Memory RAM for Asus/ASmobile X Series X75A-Xh51 - DDR3 1600MHz PC3-12800 Non ECC SO-DIMM 2Rx8 1.5V - Single Laptop & Notebook at Amazon.com
OFFTEK 1GB Replacement Memory RAM Upgrade for Asus IPIBL-LB (Benicia) (DDR2-5300 - Non-ECC) Motherboard Memory at Amazon.com
8GB Stick for Asus X Series X450CA X450CC X45C X45VD X550CA X550CC X550VC X55C X55CR X55VD X75A X75VB X75VC X75VD. SO-DIMM DDR3 Non-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
New So-dimm Ddr3 Memory Ram 1600mhz (pc3-12800) 1.5v For Asus X75a X75vc X75vd Pro Advanced B43v B53a B53v Bu400a Bu400va - Rams - AliExpress