Performance and Software
Underpinning the Treo 650 was an Intel PXA270 processor, clocked at 312 MHz. This, coupled with Palm OS 5.4, delivered a smooth user experience characterized by reliable multitasking and robust application support. Equipped with 23 MB of internal memory, the device was expandable through an SD/SDIO/MMC card slot, supporting up to 2 GB — ample for storing documents, emails, and early multimedia content. The integration of the Palm OS facilitated access to a range of productivity applications, which was a distinguishing factor for professional users during its reign.