Amazon.com: Asus - X54L - 15.6" Laptop - 2nd Intel i3-2330M 2.2GHz Processure - 4GB Memory - 500GB Hard Drive - Webcam - WiFi - Black : Electronics
OFFTEK 4GB Replacement Memory RAM Upgrade for Asus X54L (DDR3-12800) Laptop Memory at Amazon.com
Asus - X54L - 15.6" Laptop - 2nd Intel i3-2330M 2.2GHz Processure - 4GB Memory - 500GB Hard Drive - Webcam - WiFi - Black : Electronics - Amazon.com
4GB Asus X54L-SX021V (90N7BY138N1223VL55D) RAM Upgrade
Specs ASUS X54L-SX012V notebook i3-2310M 39.6 cm (15.6") Intel® Core™ i3 4 GB DDR3-SDRAM 640 GB Intel® HD Graphics 3000 Windows 7 Home Premium Black ( X54L-SX012V)
Amazon.com: Asus - X54L - 15.6" Laptop - 2nd Intel i3-2330M 2.2GHz Processure - 4GB Memory - 500GB Hard Drive - Webcam - WiFi - Black : Electronics
Asus X54C HDD, RAM Memory Replacement - iFixit Repair Guide
Specs ASUS X54L-SX012V notebook i3-2310M 39.6 cm (15.6") Intel® Core™ i3 4 GB DDR3-SDRAM 640 GB Intel® HD Graphics 3000 Windows 7 Home Premium Black ( X54L-SX012V)