A PC Card slot (Type I/II) and a dedicated Memory Stick PRO slot. Battery and Power VAIO® Computer Specifications Overview - Sony
Most models utilized a 1.8-inch IDE (ZIF) hard drive with capacities ranging from 60GB to 80GB. Due to the 1.8-inch form factor, modern SSD upgrades are difficult but possible using specialized ZIF-to-mSATA adapters. sony vaio pcg4g1l specifications link
Integrated Intel Graphics Media Accelerator (GMA) 900 or 950 , sharing up to 128MB of system memory. A PC Card slot (Type I/II) and a
10/100 Ethernet (RJ-45) and a V.90 modem (RJ-11). sony vaio pcg4g1l specifications link
Standard configurations often included 512MB or 1GB of DDR SDRAM . While some memory is soldered, it is usually expandable to a maximum of 1.5GB or 2GB via a single SO-DIMM slot.