Q-See QSD42208 8 Channel H.264 Pentaplex Network DVR with CIF Realtime Recording on Each Channel (No Hard Drive Included) CIF Realtime recording on each channel (Record & Display at 240 FPS) Connect a USB mouse for easy operation, or External Hard Drive for Backup Remote viewing through IE browser, or client software 4 Channels of Audio Supports up to 7 internal hard drives for longer recording time, and eSATA port for backup