Detailed Specifications
HPE 725052-B21 - Dual-Port 10GbE RJ-45 Network Adapter
Overview :
The HPE 725052-B21 is a dual-port 10 Gigabit Ethernet RJ-45 network adapter designed for enterprise and data-center servers that need high-throughput copper connectivity. It provides two 10 GbE ports over standard Cat6a/Cat7 cabling with distances up to 100 m, enabling consolidation of network interfaces and enhanced server uplink capacity. The adapter fits PCI Express 2.1 ×8 (backward-compatible with ×4) slots and is validated in HPE ProLiant Gen8/Gen9 server platforms, making it suitable for virtualization, storage access and high-bandwidth compute nodes. It supports advanced features such as jumbo frames, VLAN tagging, link-aggregation (LACP) and SR-IOV, allowing integration into modern virtualized and converged infrastructures.
Key Features :
Two 10 GbE RJ-45 copper ports, Cat6a/Cat7 up to 100 m
PCIe 2.1 ×8 interface, backward-compatible ×4 lanes
Supports jumbo frames (up to 9.5 KB MTU) and VLAN tagging
Virtualization-ready (SR-IOV, RSS, LSO/TSO offloads)
Includes full-height and low-profile brackets for rack/tower servers
Specifications
| Specification | Value |
|---|
| Brand | HPE |
| Part Number | 725052-B21 |
| Product Type | Dual-Port 10 GbE RJ-45 Network Adapter |
| Interface | PCI Express 2.1 ×8 (supports ×4 lanes) |
| Ports | 2 × 10 GbE RJ-45 copper |
| Maximum Cable Length | Up to 100 m on Cat6a/Cat7 twisted-pair |
| Supported MTU | Up to 9.5 KB (jumbo frames) |
| Advanced Features | SR-IOV, RSS, LSO/TSO, VLAN, LACP |
| Form Factor | Full-height card with low-profile bracket included |
| Typical Power Use | Approx. 10-15 W |
| Operating Temp | 0 °C to 55 °C |
| Storage Temp | -40 °C to 70 °C |
| Weight | ~0.22 lbs (≈0.1 kg) |
| Dimensions (W×H) | 5.75 in × 2.72 in (≈146 mm × 69 mm) |
| Compatibility | HPE ProLiant Gen8/Gen9 servers (rack/tower) |
