Lekuo Dual-Port Gigabit Ethernet PCIe Network Adapter
Intel 82576 Chipset - Enterprise-Grade Performance for Servers and Workstations
SPEED
1000 Mbps
PORTS
RJ45 × 2
INTERFACE
PCI-E x1
POWER
2.8W
Key Features & Benefits
✓ Intel 82576 Gigabit Ethernet Controller – Industry-leading reliability and performance
✓ Dual RJ45 Ports – Link aggregation, failover, and load balancing support
✓ Advanced Virtualization Support – SR-IOV and VMDq for ESXi and Proxmox
✓ Universal PCIe Compatibility – Works in x1, x4, x8, x16 slots
✓ Low Power Consumption – Only 2.8W for energy-efficient 24/7 operation
Product Parameters
| Brand | Lekuo |
| Product Name | PCIe x1 to 2 Port Gigabit Network Card |
| Model | PI76R21 |
| Chipset ⭐ | Intel 82576 |
| Interface Type | PCI-E x1 |
| Network Ports | RJ45 × 2 |
| Bus Type | PCIe x1 (compatible with x4, x8, x16) |
| Data Transfer | 10/100/1000 Mbps Auto-Negotiation |
| Power Consumption ⭐ | 2.8W |
| Application | Servers, Workstations, Virtualization, Soft Routers |
| Operating Temperature | 0°C~55°C (32°F~131°F) |
| Storage | -40°C~70°C (-40°F~158°F) |
| Storage Humidity | 35°C, 90% Non-condensing Relative Humidity |
| Dimensions | 131 x 64mm |
| Weight | Net: 74.7g | Gross: 173.6g |
| System Compatibility | Windows, Linux, VMware |
Ideal Application Scenarios
Servers & Workstations
Perfect for enterprise servers and high-performance workstations requiring reliable network connectivity with link aggregation support for increased bandwidth and redundancy.
Virtualization Platforms
Excellent compatibility with VMware ESXi, Proxmox VE, Hyper-V with SR-IOV and VMDq support for efficient virtual machine networking with minimal CPU overhead.
Soft Router & Networking
Ideal for pfSense, OPNsense network security appliances with dual ports for WAN/LAN separation, multi-WAN configurations, or transparent firewall deployments.
Package Includes
📦 1 × Lekuo PCIe Dual-Port Gigabit Network Adapter (Intel 82576)
📦 1 × Low-Profile Bracket