MODELS
| DX4708DVD | 8 channel HVR with DVD; supports up to two audio inputs and outputs; records up to 30 ips on all channels. | 
| DX4716DVD | 16 channel HVR with DVD; supports up to two audio inputs and outputs; records up to 30 ips on all channels. | 
| DX4808DVD | 8 channel HVR with DVD; supports up to four audio inputs and two outputs; records up to 30 ips 4CIF on all channels. | 
| DX4816DVD | 16 channel HVR with DVD; supports up to four audio inputs and two outputs; records up to 30 ips 4CIF on all channels. | 
OPTIONAL ACCESSORIES
| DX4546250HDD* | DX4500/DX4600 SATA 250 GB upgrade | 
| DX4546500HDD* | DX4500/DX4600 SATA 500 GB upgrade | 
| DX4546750HDD* | DX4500/DX4600 SATA 750 GB upgrade | 
| DX4546HD1000* | DX4500/DX4600 SATA 1000 GB upgrade | 
| DX4546HD2000* | DX4500/DX4600 SATA 2000 GB upgrade | 
| DVD drive upgrade for the DX4500/DX4600 | |
| KBD300A | KBD300A desktop keyboard with full switching and configuration capabilities and joystick control of PTZ functions; | 
| 
 | requires a KDB300USBKIT or a  | 
| KBD300USBKIT | Remote keyboard wiring kit (120 VAC) for KBD300A | 
| Remote keyboard wiring kit (230 VAC) for KBD300A | 
*DX4500/DX4600 HDD parts can be used with the entire DX Series product line.
| C4675M (2/11) | 7 |