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Cisco

Cisco C890-M5-RISER-B | PCIe Gen3 riser B for system expansion, supports x16/x8 devices, position-optimized for additional add-in cards

SKU:C890-M5-RISER-B

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Description

Riser B provides additional PCIe expansion capacity for the C890 M5 platform, allowing more network, storage, or accelerator cards where supported by the server layout. Built for robust seating and reliable signal performance in the riser B location.

Features

- Adds PCIe I/O capacity in the riser B position
- Stable mechanical design for secure card seating
- Supports PCIe x16/x8 devices across common adapter types
- Backward compatibility with older PCIe generations
- Facilitates scalable networking and storage expansion

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: How does riser B differ from riser A?
A: Riser B installs in a different chassis position and may map to different CPU PCIe lanes, affecting slot availability and bandwidth.

Q: Can I run mixed PCIe generations on the riser?
A: Yes. PCIe is backward compatible; devices will negotiate to the highest common speed, up to Gen3.

Q: Is any special driver needed for the riser?
A: No. Drivers are required for the add-in cards, not the riser itself.

Q: Are brackets or screws included?
A: The riser assembly includes its mounting hardware; add-in card brackets and accessories are provided with the respective cards.

Technical Specifications

- Compatibility: UCS C890 M5, riser B location
- Bus support: PCIe Gen3 (backward compatible with Gen2/Gen1 devices)
- Lane widths: supports x16/x8 signaling (slot topology CPU/backplane dependent)
- Use cases: additional NICs, HBAs/RAID, accelerators as permitted by chassis
- Installation: fits riser B bay; tool-less/captive hardware per chassis design
- Mechanical: card size support per server configuration documentation
- Note: add-in adapters and associated cables/power kits are not included

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