Amazon.com : Stand Up Desk Store Add-On Office Sliding Under-Desk Drawer Storage Organizer for Standing Desks (White) : Office Products
HEMNES Add-on unit desk, white stain, 152x63 cm - IKEA Spain
Initial Bench Desk - Add On Unit - Allard Office Furniture
MICKE Add-on unit high, black-brown, 105x65 cm - IKEA Spain
Branch Desk Unit Add-On – FROM THE SOURCE
Series A Single Desk Add On, Walnut, 47", White Legs | Modern Office Furniture | Poppin
Setup V3: got a new (bigger) Ikea Desk and an Ikea Alex Add on and it really cleans up the desk space. (I can have both my laptops hidden under the Alex!) :
IKEA MICKE Add-on unit high, 105×65 cm – GAGU IKEA & Imported Furnitures for Kiwis
Better Homes & Gardens Adjustable Height Desk Add-On (Organizer Not Included), Black - Walmart.com