Based on this product's specifications, here are some alternatives and similar models
Keyboard Acer replacement for TM4320 TM5710 4630Z 4620Z 5530G 4730 US layout KB315703
Summary description:
Replacement laptop keyboard compatible with Acer models TM4320, TM5710, 4630Z, 4620Z, 5530G and 4730. US layout keyboard (KB315703) designed for direct fit and straightforward installation as a spare part. Suitable for repairing or refurbishing affected Acer notebooks, restoring full key functionality and original typing layout.