Key specifications
| Parameter | Value |
|---|---|
| Supported server | SR250-series |
| Expansion arrangement | x8/x8 PCIe Gen4 riser |
| Feature code | BMWQ |
Overview
Lenovo 4C57A81451 is a server installation or expansion option. The documented ordering configuration is SR250-series x8/x8 PCIe Gen4 riser; feature code BMWQ.
Selection and compatibility
- Confirm the server generation, chassis fit, required installation kit, and option compatibility.
For quotation
Send the exact part number, quantity, and the relevant system, port, or installation details. We will confirm the requested configuration and current sourcing conditions.
See the related product Family for other configurations.

