10Gbps PCIe Network Card - Realtek RTL8127 (RJ45 / SFP+ | PCIe 4.0 x1 / PCIe 3.0 x2 Options)

Upgrade your PC, workstation, or NAS to blazing-fast 10Gbps networking. Powered by the high-efficiency Realtek RTL8127 controller, this network card delivers ultra-low latency, full multi-gigabit throughput, and energy-efficient operation. Available in multiple port types and PCIe slot configurations to fit any motherboard architecture.

Port Type:

• RJ45 Copper (10GBASE-T): Auto-negotiates 10G / 5G / 2.5G / 1G / 100M. Perfect for plug-and-play setups with existing Cat6 / Cat6A / Cat7 cabling.
• SFP+ Cage: Supports 10G SFP+ optical transceivers and Direct Attach Copper (DAC) cables for ultra-low latency, low-power server and switch interconnects.

PCIe Interface Version:

• PCIe 4.0 x1: Optimal for modern motherboards with PCIe 4.0 slots, delivering full 10Gbps bandwidth via a compact single-lane slot.
• PCIe 3.0 x2 (Physical x4 Interface): Designed for older or enterprise systems with PCIe 3.0 slots, utilizing 2 lanes in a standard x4 slot to guarantee full 10Gbps line-rate speed without PCIe 4.0 requirements.

Key Features:

• Uncompromised 10GbE Performance: Eliminates local network bottlenecks for instant 4K/8K media editing, fast large-file backups, and low-latency NAS connectivity.
• Flexible PCIe Compatibility: Available in native PCIe 4.0 x1 or PCIe 3.0 x2 (x4 form factor) to ensure full 10Gbps throughput regardless of your motherboard's generation.
• Next-Gen Realtek RTL8127 Efficiency: Cool-running chipset with a dedicated aluminum heatsink ensures 24/7 continuous reliability and minimal power consumption.
• Hardware Offload & WoL Support: Includes Checksum Offload, Large Send Offload (LSO), and Wake-on-LAN (WoL) to offload CPU overhead and boost overall system responsiveness.
• Full-Height & Low-Profile Brackets Included: Easily fits standard desktop towers, compact micro-ATX/ITX cases, and 2U rackmount server chassis.