1x ExpressCard slot (34mm), SD card slot, and Memory Stick Duo slot.
Replacing the mechanical HDD with a SATA SSD is the most significant performance boost you can give this machine. sony vaio pcg61211m specification 2021
Maxing out the memory to 8GB (2x 4GB sticks) will allow for better multitasking and smoother web browsing. 1x ExpressCard slot (34mm), SD card slot, and
Are you looking to a specific part of your VAIO, or are you trying to estimate its value for a potential sale? VPCEA1S1E Specifications - Sony UK 1x ExpressCard slot (34mm)
may feel slow under modern software like Windows 10. However, it is highly upgradeable: