Specifications
Series
BCM8566x
Function
PCIe Gen6 / CXL 3.1 retimer
Lanes
16
Process
5 nm
Data Rate
64 GT/s PAM4 (Gen6)
Channel Reach
>36 dB loss compensation
Latency
Low-latency symmetrical MAC/PHY path
Clock Tolerance
Supports up to 6000 ppm reference tolerance
Host Interface
Standard PCIe 100 MHz reference clock
Use
x16 GPU riser, CXL memory expansion chassis
Board-level SKU reference
| Item | Value |
|---|---|
| MPN | BCM85667 |
| Lanes | 16 |
| Market segment | Data center / AI server |
Use Case
A 16-lane Gen6 retimer is the standard building block for x16 GPU risers, OCP-style accelerator carriers and CXL memory expansion chassis. It lets a single x16 link span a connector plus two PCB hops while still training at 64 GT/s.
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