HPE 817721-B21 – Server Ethernet Network Adapter
Key Features
- Enterprise HPE server Ethernet adapter
- PCIe-based LAN connectivity module
- Designed for ProLiant systems
- Stable networking for data center workloads
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HPE 817721-B21 Server Ethernet Network Adapter
Overview
HPE 817721-B21 is an enterprise Ethernet network adapter used in HPE ProLiant server environments to provide wired LAN connectivity. It is deployed in data center and enterprise infrastructures where stable and reliable network access is required for server workloads.
The adapter is installed in a PCIe expansion slot and enables network communication between the server and switching infrastructure. It is designed for HPE validated server platforms where compatibility and consistent performance are required.
It is commonly used in virtualization hosts, application servers, and enterprise rack deployments where multi-port or redundant Ethernet connectivity is needed.
Typical Deployment Scenarios
- Virtualization host networking
- Enterprise application servers
- Database backend systems
- Data center rack deployments
- HPE ProLiant infrastructure systems
Specifications
| Specification | Value |
|---|---|
| Brand | HPE |
| Part Number | 817721-B21 |
| Product Type | Ethernet Network Adapter |
| Interface | PCIe Server Add-in Card |
| Network Function | LAN Connectivity |
| Deployment Type | Enterprise / Data Center Servers |
| System Compatibility | HPE ProLiant Platforms |
| Port Type | Not publicly specified |
| Port Count | Not publicly specified |
| Data Rate | Not publicly specified |
| Controller | Not publicly specified |
| Network Standard | Ethernet |
| Form Factor | PCIe Plug-in Card |
| Usage Scope | Server Networking |
| Operating Environment | Rack / Data Center Systems |
Compatibility / Ecosystem
Designed for HPE ProLiant server platforms supporting PCIe expansion. Exact port configuration and feature set depends on server generation and hardware revision.
Additional information
| Weight | 0.3 kg |
|---|---|
| Dimensions | 25.2 × 21.6 × 6.6 cm |







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