A-Tech 4GB Module for Lenovo G550 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS278419B12034X1) at Amazon.com
A-Tech 4GB Module for Lenovo G550 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS278419B12034X1) at Amazon.com
NeweggBusiness - Lenovo Laptop Intel Core 2 Duo T6600 (2.20GHz) 3GB Memory 320GB HDD Intel GMA 4500MHD 15.6" Windows XP Professional preinstalled with Windows 7 Professional Upgrade Option G550(2958-A4U)
NOKOTION KIWA7 LA-5082P For Lenovo G550 Motherboard With Heatsink+4GB RAM +Power Button Switch Board+CPU Fit for G555 LA-5972P
Amazon.com: New for Lenovo IdeaPad G50-30 G550 G510 G580 G700 G710 G780 G575 Notebook PC 8X DVD RW DVD-RAM Writer Super Mult 24X CD-RW Burner Internal SATA Optical Drive Replacement : Electronics
NOKOTION KIWA7 LA-5082P For Lenovo G550 Motherboard With Heatsink+4GB RAM +Power Button Switch Board+CPU Fit for G555 LA-5972P