Detailed Specifications
HPE 593717-B21 NC523SFP 10 Gb 2-Port Server Adapter
Overview
The HPE 593717-B21 NC523SFP is a 10 Gb Ethernet server network adapter with two SFP+ ports. It's designed for both fiber-optic and DAC (direct-attach copper) connectivity, making it flexible for different data-center cabling setups. It uses a PCI Express 2.0 ×8 interface to deliver high bandwidth into HPE ProLiant servers. The card supports advanced networking features such as TCP offload, VLAN tagging, jumbo frames, and IPv6, helping offload CPU and optimize performance in virtualized and high-throughput environments.
Key Features
Dual 10 Gb SFP+ ports for fiber or DAC connection
PCI Express 2.0 ×8 interface supports high throughput
256 MB onboard memory for buffering and offload
Supports offloading: TCP checksum, segmentation, VLAN tagging
Jumbo-frame support, IPv6, and advanced QoS via IEEE standards
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | 593717-B21 |
| Product Type | 10 Gb Ethernet Adapter (SFP+) |
| Network Ports | 2 × 10 Gb SFP+ |
| Host Interface | PCI Express 2.0 ×8 |
| Onboard Memory | 256 MB |
| Data Rate | 10 Gbps (per port) |
| Supported Standards | IEEE 802.1Q, 802.1p, 802.3x, 802.3ad, 802.3ae |
| Features | TCP offload, jumbo frames, VLAN tagging, IPv6 |
| Boot Support | PXE boot capable |
| Operating Temperature | 0 °C to 55 °C |
| Form Factor | Low-profile plug-in card |
| Typical Power Consumption | ~17 W (varies by load) |
| Compatible Servers | HPE ProLiant G7 / Gen8 |
