The ESX-8GT is an expansion module for the ES-4, ES-40 or ES-5, adding 8 on/off outputs for use as gates, triggers, clocks etc. from one expansion header.

The ESX-8GT is an expansion module for the ES-4, ES-40 or ES-5, adding 8 on/off outputs for use as gates, triggers, clocks etc. from one expansion header.

http://expert-sleepers.co.uk/esx8gt.html

• Module is passive
• 24 mm Depth

No info about availability.