Detailed Specifications
HPE 869585-B21 Ethernet 10Gb 4-Port SFP+ Adapter
Overview
The HPE 869585-B21 is a four-port 10 Gigabit Ethernet network adapter tailored for HPE ProLiant servers. It provides four full-duplex SFP+ ports delivering 10 Gb/s each, enabling aggregated throughput of up to 40 Gb/s via a PCI Express host interface. Designed with server-class reliability and performance in mind, this adapter supports virtualization offloads, load balancing and high-density uplink configurations. It is optimal for compute, storage or virtual machine environments within enterprise data-centres, helping consolidate network connectivity while preserving expansion slots for other purposes. The adapter's design aligns with modern data-centre topologies that demand multiple 10 Gigabit links for performance-critical workloads.
Key Features
Four 10 Gb/s SFP+ ports for high-bandwidth uplinks
PCI Express host interface enabling full throughput
Virtualization-ready with offload capabilities for efficient server I/O
High-density adapter suited for servers requiring multiple 10 Gb links
Technical Specifications
| Specification | Value |
|---|
| Brand | HPE |
| Part Number | 869585-B21 |
| Product Type | Ethernet 10Gb 4-Port SFP+ Adapter |
| Port Count | 4 |
| Supported Link Speed | 10 Gb/s per port |
| Port Type | SFP+ |
| Host Interface | PCI Express (x8 or equivalent) |
| Aggregate Throughput | Up to ~40 Gb/s |
| Form Factor | Full-height PCIe server adapter |
| Dimensions (W × D × H) | Approx. 3.50″ × 4.00″ × 0.90″ |
| Weight | Approx. 0.80 lb (~0.36 kg) |
| Supported Media | Fibre optics or DAC cables via SFP+ |
| Virtualization Features | SR-IOV, VM-offload, checksum offload |
| Compatible Platforms | HPE ProLiant server models |
| Typical Use Case | High-density server uplinks |
