Detailed Specifications
HPE 665248-B21 Ethernet 10Gb 2-Port 560SFP+ Adapter
Overview
The HPE 665248-B21 is a dual-port 10 Gigabit Ethernet adapter using SFP+ interfaces, designed for high-performance server networking. It leverages the Intel 82599 controller to support flexible connectivity over fiber or DAC. The adapter fits into a PCI Express 2.0 ×8 slot and supports enterprise features like SR-IOV, VLAN, RSS, and TCP offload. It's suitable for data-center, virtualization, or storage workloads requiring low-latency, high-throughput links.
Key Features
Two 10 Gb/s SFP+ ports for flexible fiber or DAC connections
Intel 82599-based network engine for robust performance
PCI Express 2.0 ×8 host interface
Advanced virtualization support: SR-IOV, VLAN tagging
High-performance offloads: TCP, TSO, RSS, jumbo frames
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | 665248-B21 |
| Product Type | 10 Gb Ethernet Adapter (SFP+) |
| Network Ports | 2 × 10 Gb SFP+ |
| Host Interface | PCI Express 2.0 ×8 |
| Controller | Intel 82599 |
| On-board Memory | 256 MB (typical for Intel 82599 cards) |
| Data Rate | 10 Gbps per port |
| Supported Standards | IEEE 802.3ae, 802.1Q, 802.3ad, 802.1p, 802.3x |
| Offload Features | TCP/UDP checksum, segmentation, RSS, TSO |
| Virtualization | SR-IOV, VLAN partitioning |
| Jumbo Frame Support | Yes, up to ~9,000 bytes |
| Operating Temperature | 0 °C to 55 °C |
| Power Consumption | Approx. 10 W typical |
| Form Factor | PCIe plug-in card with low-profile bracket option |
