You can add caster wheels to a Bekant Sstanding desk, adds 3.5" of max height and also makes it easy to pull out to clean/cable manage! The thread is M10x1.50 : r/ikeaPCstations
BEKANT white, Desk sit/stand, 120x80 cm - IKEA
BEKANT Desk sit/stand, white, 160x80 cm - IKEA
LINNMON / KRILLE Desk, white, 100x60 cm - IKEA
Multigot Rolling Computer Desk, 360° Rotating Wooden PC Writing Table with 2-Tier Storage Shelves and Wheels, Mobile Computer Workstation for Home Office(Natural) : Amazon.co.uk: Home & Kitchen
UPPSPEL Cpu stand with castors, dark grey - IKEA
IDÅSEN Desk sit/stand, black/beige, 160x80 cm - IKEA
TROTTEN Desk, white, 140x80 cm - IKEA
Standing work counter on wheels - IKEA Hackers
LINNMON / KRILLE Desk, dark grey/white, 100x60 cm - IKEA
IKEA Hack: Custom, Transforming Home Office Desks - Saving Amy
MALM white, Desk with pull-out panel, 151x65 cm - IKEA