HP 230W Docking Station VB043UT#ABA Ports - 1 Mouse connector; 1 Parallel; 1 DVI-D; 1 RJ-45 (network) jack; 4 USB 2.0 ports (3 Always-On, 1 powered); 1 VGA; 1 Serial; 1 Keyboard connector; 1 line-in jack; 1 headphone jack; 1 Monitor stand port. Power - Rated Voltage: 100 to 240 V; Rated Current: 2.5A rms; Line Frequency: 50 - 60 Hz. Security - Supports the HP Docking Station Cable Lock, which gives you two security options: lock the docking station only (which also prevents access to the Advanced Docking Station drive bay); or lock both the docking station and your notebook for additional security. Also supports an industry standard notebook lock. Helps to optimize your work space by keeping cords where you want them. Please see description for important compatibility information.