NVIDIA GeForce 400 Graphics Series | VideoCardz.com
GeForce RTX 4090 game performance estimates leave RTX 3090 and RX 6900 XT in the dust as Doom Eternal prediction hits 400 FPS at 4K ultra - NotebookCheck.net News
PNY Nvidia GeForce T400 video card 1425MHz 2048MB 4000MHz 64 bit Single Board [vcnt400-blk] - AliExpress
GeForce® 400 Series | Graphics Card - GIGABYTE Global
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
Nvidia (Mellanox) Debuts NDR 400 Gigabit InfiniBand at SC20
Update: NVIDIA's GeForce GTX 400 Series Shows Up Early
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