4U GPU System - PCIe Root Architectures
SYS-4029GP-TRT

The two CPUs communicate with GPUs to provide balanced performance & higher CPU to GPU communication.

The two CPUs communicate with GPUs to provide balanced performance & higher CPU to GPU communication.
SYS-4029GP-TRT2

The GPUs communicate with each other via a single CPU root complex, which provides excellent GPU peer to peer communication with reasonable CPU to GPU throughput.

The GPUs communicate with each other via a single CPU root complex, which provides excellent GPU peer to peer communication with reasonable CPU to GPU throughput.
SYS-4029GP-TRT3

The GPUs communicate with each other via the PCIe switches to provide maximum GPU peer to peer communication. Note that there is only one PCIe x16 Gen 3 link between the CPU and the GPUs.

The GPUs communicate with each other via the PCIe switches to provide maximum GPU peer to peer communication. Note that there is only one PCIe x16 Gen 3 link between the CPU and the GPUs.