Although the SRD-450 is compact in size, it delivers all the core
features required for today’s professional security applications. As
well as the ability to record real-time images across all four channels
at CIF resolution, the SRD-450 also affords the user the opportunity to
record in resolutions up to 4-CIF over selected channels. With 500GB
on-board storage as standard (upgradable to 2TB) and with a built-in
USB slot for quick and easy video back-up, the SRD-450 features high
level H.264 compression to ensure superb picture quality whilst
minimising hard drive space and bandwidth requirements. The SRD-450
is the ideal recording solution for users looking to match economy
with professional performance and it is suitable for applications such
as monitoring small offices and retail outlets. 



• Up to 120 (NTSC) / 100 (PAL)fps recording rate at CIF resolution
• Full 4CIF resolution recording support
• Up to 4ch audio inputs and 1ch audio outputs
• Video (H.264) / Audio (G.711)
• 500Gb HDD