51RISC Radeon RX 550 LP Graphics Card, Low Profile 4GB GDDR5 Small Form Factor Video Card for Gaming 4K Display Desktop/Mini PC SFF Video Card (RX 550 4GB Low Profile)
Solved: Optiplex 755 SFF, GPU upgrade - Dell Community
MSI & ZOTAC with New Double-Slot Low-Profile GeForce GTX 1650 GPUs