Dual-port 40G QSFP+ PCIe x8 server adapter based on Intel XL710 controller for high-performance data centers.
As a leading manufacturer of networking solutions, LR-LINK presents the LREC9902BF-2QSFP+, a robust PCIe x8 dual-port 40G Ethernet server adapter engineered for the most demanding data center environments. Built upon the powerful Intel XL710 main control chip, this adapter provides optimized input/output performance, ensuring that network systems no longer become a bottleneck for high-performance computing and storage applications.
This adapter features two QSFP+ connectors supporting 40000Base-SR, LR, and Cu standards, delivering reliable 40Gbps connectivity per port. The design leverages hardware acceleration to offload critical tasks such as TCP/UDP/IP checksum calculations and TCP partitioning from the host processor, significantly enhancing overall system efficiency and reducing latency in virtualized and cloud computing scenarios.
Compatible with PCI Express v3.0 (8.0GT/s) x8 lanes and backward compatible with older PCIe versions, the LREC9902BF-2QSFP+ offers flexible deployment options. It supports advanced features including PXE boot, VLAN tagging, SR-IOV, and various network virtualization protocols like VXLAN and NVGRE, making it an ideal choice for modern enterprise infrastructure requiring high speed and reliability.
Delivers dual 40Gbps ports via QSFP+ for ultra-fast data transfer in AI and HPC clusters.
Intel XL710 controller offloads TCP/IP tasks to reduce host CPU load and improve efficiency.
Full support for SR-IOV, VXLAN, and NVGRE to enable robust network virtualization environments.
Supports SR, LR, and Copper fiber types for versatile connectivity across data center topologies.
PCIe v3.0 x8 interface ensures backward compatibility with PCIe 2.0 and 2.1 slots.
Features IEEE 802.3az Energy Efficient Ethernet to minimize power consumption during low traffic.
High-quality optical modules and cables for optimal compatibility with your network adapter.
Complete technical details for integration and deployment planning.
| Bus Type | PCI Express v3.0 (8.0GT/s) x8 |
|---|---|
| Connector | 2*QSFP+ |
| Data Rate | 40000MbE per port |
| Fiber Type Support | 40000Base-SR, 40000Base-LR, 40000Base-Cu |
| Controller | Intel XL710 |
|---|---|
| Technology | Hardware Acceleration |
| Network Virtualization | |
|---|---|
| Protocol Support | |
| WoL | No |
| Size | 165*120*21 mm |
|---|---|
| Weight | 175 g |
| Bracket Type | Low profile & Full height |
| Power Consumption | 5.6W |
| LED Indicators | Yellow Link + Blue Link + Green Blink |
| Operating Temperature | 0 ℃ to 55 ℃ |
|---|---|
| Storage Temperature | -40 ℃ to 70 ℃ |
| Storage Humidity | Maximum 90% non-condensing at 35 ℃ |
| Standards | |
|---|---|
| Compliance | PCI-SIG |
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