Product Type | Server Riser Card |
Form Factor | 1U |
Design | Half-height |
Supported Server Family | Cisco UCS C-Series M7 |
Riser Slot Position | Riser 3A (CPU2) |
Expansion Capability | 1 x PCIe Gen4 x16 slot |
Power Requirements | Powered via server chassis |
Intended Use | Expansion of NICs, GPUs, or storage controllers in Cisco UCS servers |
Weight |
CISCO UCS C-Series M7 1U Riser 3A PCIe Gen4 x16 HH (CPU2)

Key Benefits

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- Ideal for enterprises requiring PCIe Gen4 high-bandwidth expansion in 1U Cisco UCS servers
- Supports seamless integration of networking, compute, or storage expansion cards
- Complies with TAA regulations, making it suitable for government procurement
Product Overview
The CISCO UCS C-Series M7 1U Riser 3A PCIe Gen4 x16 HH (CPU2) provides a robust and dependable solution for expanding network or accelerator functionality in Cisco UCS rack servers. Built for the M7 generation chassis, this riser card slots into the Riser 3A position, connecting to CPU2 via a PCI Express Gen4 x16 interface—delivering high bandwidth and minimized latency. Its half-height design ensures it fits seamlessly in compact 1U server configurations, maintaining optimized airflow and cooling.
The riser supports addition of advanced networking interface cards (NICs), GPUs, or storage controllers where expansion is necessary, aligning with enterprise requirements for high-speed data throughput. Being TAA compliant, it is suitable for use in government and regulated industries. Manufactured in China, it aligns with Cisco’s global production standards, ensuring quality and compatibility.
In summary, the HCI-RIS3A-22XM7= riser enables scalability and performance within constrained server environments, making it a crucial component in modern data center deployments.
Specifications
Product Overview
Physical & Environmental
Dimensions | Designed for standard 1U server height |
Cooling Requirements | Supports passive airflow cooling native to server chassis |
Operating Temperature Range | 10°C to 35°C (50°F to 95°F) |
Storage Temperature Range | -40°C to 70°C (-40°F to 158°F) |
Operating Humidity | 10% - 90% (non-condensing) |
Storage Humidity | 5% - 95% (non-condensing) |
Cloud Management & Licensing
Management Interface | Managed via UCS Manager (via system BIOS and chassis integration) |
License Requirement | No additional license required for riser functionality |
Included Cloud Features | Integrated into UCS cloud management framework |
Interfaces
Interface Type | PCI Express Gen4 x16 |
Number of Expansion Slots | 1 |
Compatible Devices | NICs, GPUs, Storage Controllers |
Bus Standard | PCIe 4.0 |
Data Transfer Rate | Up to 16 GT/s per lane |
Slot Type | Half-height PCIe expansion slot |
Compliance & Origin
Country of Origin | China |
TAA Compliant | Yes |
RoHS Compliance | Yes |
EMC Compliance Standards | FCC Part 15 Class A, ICES-003 Class A |
Safety Compliance Standards | UL/CSA 60950-1, EN 60950-1 |
Environmental Standards | Cisco Environmental Sustainability compliance |
Advanced Security Features
Secure Boot Compatibility | Compatible with UCS secure boot systems |
Tamper Detection | No active tamper detection; relies on system security |
Hardware Trust Anchor Support | Supported via server BIOS and UCS infrastructure |