HiRise Pro from Twelve South - height adjustable stand for iMac and displays. Compatible with current iMacs, the new iMac Pro and with other displays.
Twelve South HiRise For MacBook Stand REVIEW - MacSources
Review: HiRise Pro is a Great Desk Accessory for your iMac or Apple Display
Adjustable Stand: The stand can be adjusted to different heights to accommodate different viewing angles. Storage Compartment: The stand has a storage
Twelve South HiRise Pro for iMac/ Displays/ Monitors | Height-adjustable stand w/ storage, reversible front + leather inlay
HiRise Pro MagSafe-Compatible MacBook Stand
Twelve South HiRise Stand Review — Gadgetmac
Twelve South HiRise For iMac « Blog
HiRise Height-adjustable desktop stand for MacBook & laptops
Twelve South HiRise For MacBook Stand REVIEW - MacSources
Twelve South HiRise Stand Review — Gadgetmac