Amazon.com: NVIDIA Quadro 400 512 MB Professional Video Graphics Card, Replacement For Lenovo 0A36535, PNY VC7400-PB, HP LD542AA LD542AT, Dell HWGX0, DDR3 PCI Express Gen 2 x16 DVI-I DL and DisplayPort Open
Amazon.com: PNY NVIDIA T400 4GB GDDR6 4GB PCI Express 3.0 x16 Single Slot 3X MiniDisplayPort 8K Compatible Ultra Quiet Active Fan : Electronics
GeForce® 400 Series | Graphics Card - GIGABYTE Global
Point of View's GTX 400 Cards Put Their Stickers On