A-Tech 4GB KIT (2 x 2GB) for Acer Extensa Series 4010 Series 4100 4100 4120 4230 4420 4610 Series 4620Z Series 4630 4630Z 5010 Series 5200 Series 5230 SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory at Amazon.com
ACER EXTENSA 5235 15.6 " LAPTOP / Not Working/ For Parts | eBay
OFFTEK 2GB Replacement Memory RAM Upgrade for Acer Extensa 5235 (DDR3) (DDR3-10600) Laptop Memory at Amazon.com
4GB KIT (2 x 2GB) for Acer Extensa Series 5235 (DDR3) 5635 (DDR3) 5635G (DDR3) 5635Z. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com