What is the difference between "low profile" and "low profile ready" in expansion cards? - Super User
5 Channel LP PCI Sound Adapter Card - Our video cards and sound cards enable you to add smooth video performance or high-end audio capability to your PC computer, through a motherboard
AI-1616L-LPE Analog Input Low Profile PCI Express Card /16ch AI(16bit
StarTech.com PCI Express X1 to X16 Low Profile Slot Extension Adapter Card Model PEX1TO162 - Walmart.com
The Labgore's guide to "converting" full height PCI covers to low profile : r/homelab
GPU Low Profile Server Rack PCI-E Cable | Custom Low Profile Power Cables for PCs, Servers & Workstations