• Lekuo Intel XL710-T2 dual port 40G QSFP+ network adapter PCIe card front view
  • Intel XL710-T2 network card with dual QSFP+ ports and PCIe x8 interface
  • 40Gbps QSFP+ network adapter with Intel XL710 controller chipset
  • PCIe x8 40G network card dual QSFP+ ports close-up view
  • Intel XL710-T2 network interface card connector and port details
  • Lekuo 40G network adapter PCIe bracket and mounting hardware
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Lekuo 40G Network Adapter | PCIe X8 to Dual QSFP+ | Intel XL710-T2 | For Data Centers

Lekuo 40G Network Adapter | PCIe X8 to Dual QSFP+ | Intel XL710-T2 | For Data Centers

$199.99 USD
$369.43 USD $199.99 USD
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PL71F21
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Product Description

Intel XL710-T2 Dual-Port 40GbE Network Adapter

Unlock blazing-fast 40Gbps networking with PCIe x8 interface. Powered by Intel's proven XL710-T2 controller for enterprise-level reliability in data centers, virtualization, and high-performance computing environments.

Lekuo PCIe x8 dual-port 40G QSFP+ network adapter card with Intel XL710-T2 chipset for high-speed data center networking
40Gbps
Per Port Speed
2 Ports
QSFP+ Interface
PCIe x8
3.0 Interface
Intel XL710
Enterprise Chipset

Key Features

✓
Dual 40G QSFP+ Ports – Support 40GBASE-SR4/LR4 and QSFP+ AOC/DAC for flexible connectivity options
✓
Intel XL710-T2 Controller – Industry-leading chipset with advanced network virtualization support including VXLAN, MACinUDP, NVGRE, IPinGRE
✓
PCIe x8/x16 Interface – Compatible with PCIe x8 and x16 slots for maximum flexibility and bandwidth efficiency
✓
Jumbo Frame Support – Up to 9.5KB jumbo frames reduce CPU overhead and improve throughput for large data transfers
✓
LED Status Indicators – Green for 10G link, Yellow for 40G link, Blue blink for activity monitoring
Dual QSFP+ ports on Lekuo 40G network adapter supporting SR4 LR4 AOC and DAC connections

Technical Specifications

Brand Lekuo
Product Name PCIe X8 to 2 Port 40G QSFP+ Network Card
Model Number PL71F21
Controller/Chipset Intel XL710-T2
Host Interface PCIe x8, x16
Network Interface/Ports 2x QSFP+ Ports
Data Rate 40 Gigabit per port
Network Standard 40GBASE-SR4/LR4, 40GbE QSFP+ AOC/DAC
Jumbo Frame Support Up to 9.5 KB
Operating Temperature 0°C to 55°C (32°F to 131°F)
Network Virtualization VXLAN, MACinUDP, NVGRE, IPinGRE
LED Indicators 10G Link: Green; 40G Link: Yellow; Activity: Blue Blink
Dimensions 161 x 69 mm
Weight 0.2 kg
OS Support Windows Server 2016/2012 R2/2012/2008 R2/2008, Windows 7/8/8.1/10, Linux Kernel 2.4.x/2.6.x/3.x/4.x+, VMware 6.x
Warranty Standard Manufacturer Warranty
PCIe x8 x16 interface network card installation in server chassisLekuo 40G network card application in data center virtualization environment with VXLAN support

Application Scenarios

🖥️ Data Center Networking

Ideal for high-density server deployments requiring ultra-low latency and maximum throughput. Perfect for storage area networks (SAN), network-attached storage (NAS), and backbone connectivity between switches with 40GBASE-SR4/LR4 support.

💻 Virtualization Platforms

Optimized for VMware 6.x, Hyper-V, and KVM environments with advanced network virtualization support. VXLAN, NVGRE, and IPinGRE enable efficient multi-tenant cloud infrastructure and software-defined networking.

🔬 High-Performance Computing

Accelerate scientific computing, financial modeling, and big data analytics with jumbo frame support up to 9.5KB. Minimize CPU overhead for compute-intensive applications requiring sustained high-bandwidth data transfers.

High-performance 40G network adapter with LED status indicators and compact design

Compare Network Speeds

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2.5G Network
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10G Network
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Package Contents

  • 1x Network Card
  • 1x Low-Profile Bracket