Home > Ethernet Controller > Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux

Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux

SKU: NA5G1
$48.99 $0.00
  • 5Gbps Network Performance - This network card delivers up to 5 Gigabits of speed, powered by the Realtek RTL8126 chip. It supports auto-negotiation for 5Gbps/2.5Gbps/1Gbps/100Mbps/10Mbps and is compatible with standard Cat5e or higher UTP cables over distances up to 100m (328 feet).
  • PCIe Slot Compatibility - Compatible with PCIe X1, X4, X8, and X16 slots. It comes with a standard bracket and a low-profile bracket, supporting versatile installations in devices such as PCs, servers, workstations, and NAS. Note: Not compatible with PCI slots.
  • Multi-OS Support - Supports Windows 11/10 and Linux kernel up to 6.4. Drivers are easily downloadable via CD-ROM, the driver link provided on the bracket, or Realtek’s official website.
  • Network Features - Supports PXE, Auto MDIX, IEEE 802.1Q VLAN tagging, IEEE 802.3bz (2.5GBASE-T/5GBASE-T), full-duplex flow control (IEEE 802.3x), Wake-on-LAN, and 16 KB jumbo frames.
  • Easy to Use - Select the suitable bracket based on your chassis size, insert it into the PCIe slot, install the driver, and connect to the network. LED indicators display link status and speed. If you have any questions, feel free to contact us.
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  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
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  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Single-Port 5Gbps PCIe Ethernet Adapter - RTL8126 Controller, RJ45 NIC with Low-Profile Bracket, PXE Support for Windows 11/10 & Linux
  • Description
This single-port 5Gbps PCIe network card adds one copper Ethernet port to your server or desktop, delivering multi-gigabit Ethernet access to your network at five speeds: 5Gbps, 2.5Gbps, 1Gbps, 100Mbps, and 10Mbps.
The 5GBASE-T solution unlocks additional bandwidth using your existing Ethernet infrastructure, helping reduce cabling upgrade costs. It enables seamless connectivity to 5GBASE-T and NBASE-T equipment at speeds of 10Mbps, 100Mbps, 1Gbps, 2.5Gbps, and 5Gbps over Cat5e cabling (up to 100 meters, depending on network configuration).
Powered by the Realtek RTL8126 chipset—compliant with IEEE 802.3az and IEEE 802.3u—it supports the PCIe 3.1 interface. This chipset boosts data transfer rates by up to 500% without requiring modifications to your existing cable infrastructure.


Product Specifications

  • Multi-Gigabit Ethernet connectivity with four network speeds: 5G, 2.5G, 1G, 100Mbps, 10Mbps\
  • Compatible with both 5GBASE-T and NBASE-T specifications
  • Support 5Gbps network speed on CAT5e and CAT6a cabling
  • Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az and IEEE 802.3bz standards
  • Supports IEEE 802.1Q VLAN tagging, and IEEE 802.3x Fully Duplex Flow Control
  • Supports IEEE 802.1ad Double VLAN
  • Full and half duplex support
  • PXE network boot support
  • Transmit/Receive on-chip buffer support
  • Jumbo frame supports up to 16Kbytes
  • Wake-on-LAN (WOL) support
  • Complies with Microsoft and Linux platforms

Product Specifications

Model  NA5G1
Bus Type PCI Express 3.1 (8 GT/s)
Bus Width x 1 lane PCI Express, operable in x4, x8 and x16 slots
Card Type Standard/Low Profile
Chipset ID Realtek – RTL8126
Industry Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab IEEE 802.3az, IEEE 802.3bz
Interface 1x RJ45
Power Consumption 5Gbps – 1.8W
System and Cable Requirements PCI Express enabled computer with an available PCI Express x 1 slot Gen 2.0 or higher (x4, x8, x16)
OS Compatibility Windows® 10, 11
Linux kernel up to 6.4
Product Height 120 mm x 84mm x 22mm
LED Indicators Link (Green)
Act (Orange)
Humidity 20~80% RH
Operating Temperature 5°C to 50°C (41°F to 122°F)
Storage Temperature -25°C to 70°C (-13°F to 158°F)
Included in Package Single Port 5Gbps PCIe Network Card

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