Broadcom Shows the PEX90144 144 lane PCIe Gen6 Switch at SC25

At SC25, Broadcom showed off its PCIe Gen6 switch chips for the 2026 generation of servers. Not only was the PEX90144, a big 144 lane/ 72 port PCIe Gen6 on display, but it was also integrated into a Dell PowerEdge XE7745 style PCIe board.

Broadcom Shows the PEX90144 144 lane PCIe Gen6 Switch at SC25

This was one easy to miss and walk by at SC25, but Broadcom had a PEX90144 switch platform on display. You can see that this is actually a Dell PowerEdge XE7745 platform outfitted with a red board that usually indicates a pre-release board, although PCIe Gen6 would be more focused on the next-generation of NVIDIA Blackwell Ultra GPUs and ConnectX-8 NICs.

We can see inside the chassis so we can focus on the PCIe switch board. Here we can see two PCIe switches. 144 lanes is “only” 9x PCIe x16 slots, and this…