RS232 port

T8300 processor is cooler ,faster and comsume less energy than T7250 T7500 and T7700 as it utilize 45 nm technology rather than 65nm technology. 

The D630 equipment with T8300 is also later model compared to T7250, T7500 and T7700. 

Each unit is fully cleaned and wiped out ready to use with brand new hard drive. nearly new or brand new battery. 

Fully Cleaned inside out, sanitized wiped.  This is an off lease laptop in great condition.  Windows 7 DELL LATITUDE D630  T8300 4GB RAM  500gb HDD  Good condition  Battery holds charge and new Oem Charger  Off lease laptop minimum use wiped clean sanitized  cleaned fan and refesh bios to A18 Cleaned the fan and changed the bios battery 

Battery holds more than 45 mins charge or brand new.