The notebook’s left panel offers only two components (from left to right):

• Kensington lock
• Optical drive with an activity indicator, eject button and an emergency ejection hole

The notebook’s right panel carries the following:

• PC Card slot (for one card of type I or II) with an eject button

• 5-in-1 card-reader (Memory Stick, Memory Stick Pro, Multi Media Card, Secure Digital, xD-Picture Card)
• Three USB 2.0 ports
• Power connector

The following connectors are located on the notebook’s rear panel:

• USB 2.0 port
• TV output (S-Video)
• 15-pin D-Sub connector for an external monitor
• Modem port (RJ-11)
• LAN port (RJ-45)

The Aspire 9303WSMi is equipped with a 4800mAh battery of an elongated shape, not usual for Acer notebooks.

Besides the battery module, the bottom panel offers the following: memory, HDD, mini-PCI, and PCI Express Mini Card compartments; two battery latches (one to lock the battery in its bay and another to extract it); and stickers with model information and the OS serial number.

There are two slots in the memory compartment, occupied with 512MB modules. The maximum amount of memory supported is 4096MB.