The card was designed to work in servers. I trust you know what you are looking at if browsing for a P40.
NVIDIA Tesla P40 24GB GDDR5 PCI-E 3.0 x 16 GPU Accelerator Graphics Video Card
NVIDIA Tesla P40 24GB GDDR5 Graphics Card (9002G6100000000)
NVIDIA Tesla P40 24GB DDR5 GPU Accelerator Card Dual PCI-E 3.0 x16 FOR SERVERS
Nvidia Tesla P40 24GB GPU GDDR5 PCIE x16 Accelerator card 900-2G610-0000-000
HP nVidia Tesla M10 GPU Graphics Card PCI-E x16 32GB GDDR5 HP 870046-001
Genuine original Nvidia Tesla V100 32GB PCIE Computing Accelerator Graphics Card
