ubuntu - Can I add an 1066 MHz RAM module to my Lenovo G550, which currently has one 800 MHz module installed? - Super User
Lenovo G550 RAM Memory Upgrade - YouTube
Lenovo G550 RAM Memory Upgrade - YouTube
OFFTEK 2GB Replacement Memory RAM Upgrade for IBM-Lenovo G550 (2958-R6U) (DDR3-10600) Laptop Memory at Amazon.com
A-Tech 4GB Module for Lenovo G550 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS278419B12034X1) at Amazon.com
NOKOTION KIWA7 LA-5082P For Lenovo G550 Motherboard With Heatsink+4GB RAM +Power Button Switch Board+CPU Fit for G555 LA-5972P - AliExpress
Lenovo G550 Ram UpGrade - YouTube
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