For A6000 A5500 A5000 A4500 A100 or 3090 Ampere graphics cards which have 2 slots between the NVLink connectors.
NVIDIA Part Number: 900-53651-0000-000 and 900-53651-0100-001
Dell Part Number: 0RWJ7Y
NVIDIA NVLink is a high-speed point-to-point peer transfer connection, where one GPU can transfer data to and receive data from one other GPU. For example the NVIDIA A100 80GB card supports NVLink bridge connection with a single adjacent A100 80GB card.