
NA2G2 is a highperformance 2-port 2.5G network adapter, supporting 4 network speeds: 2.5GBASE-T/1GBASE-T/100MBASE-T/10BASE-T. With a PCI-E Gen2.1 x1 network adapter easily handles the 2.5GbE line-rate performance.

Lightning-fast 2.5G Networking
Compliant with the 2.5GBASE-T specification and the IEEE802.3bz standard, upgrade up to 2.5X-faster data-transfer speeds for bandwidth-demanding task.

Compatibility 4 Speed
Support 4 network speeds: 2.5GBASE-T/1GBASE-T/100MBASE-T/10BASE-T, for seamless backward compatibility.

Major OS Support
With Realtek Based Chipset, It can be apply in most network operating systems, such as Windows, Linux, MacOS, etc.

Easy to Migration
Easily upgrade to 2.5Gbps networking using standard copper network cables, avoiding the need to install costly optical fiber cables.

Flexible Low Profile Bracket
In addition to the standard bracket, a low-profile/half-height profile bracket for flexible installation in a wide range of computer, workstations.

Flexible Deployment
Supports PCI Express Gen2.1 ×1 interface, for most computers and workstation motherboards

QoS for Bandwith Priority
Built-in Quality-of-Service (QoS) technology, lets you prioritize gaming experience for a smooth connection experience.

Advanced Features
Supports QoS, VLAN, PXE, Teaming , AFT, SFT, ALB for improved network performance, efficiency, reliability and security.
Product Specifications
Network Adapter Comparisons (2.5G VS 10G)
Network Adapter Comparisons (2.5G VS 10G/1G)

NA2G2 is a highperformance 2-port 2.5G network adapter, supporting 4 network speeds: 2.5GBASE-T/1GBASE-T/100MBASE-T/10BASE-T. With a PCI-E Gen2.1 x1 network adapter easily handles the 2.5GbE line-rate performance.

Lightning-fast 2.5G Networking
Compliant with the 2.5GBASE-T specification and the IEEE802.3bz standard, upgrade up to 2.5X-faster data-transfer speeds for bandwidth-demanding task.

Compatibility 4 Speed
Support 4 network speeds: 2.5GBASE-T/1GBASE-T/100MBASE-T/10BASE-T, for seamless backward compatibility.

Major OS Support
With Realtek Based Chipset, It can be apply in most network operating systems, such as Windows, Linux, MacOS, etc.

Easy to Migration
Easily upgrade to 2.5Gbps networking using standard copper network cables, avoiding the need to install costly optical fiber cables.

Flexible Low Profile Bracket
In addition to the standard bracket, a low-profile/half-height profile bracket for flexible installation in a wide range of computer, workstations.

Flexible Deployment
Supports PCI Express Gen2.1 ×1 interface, for most computers and workstation motherboards

QoS for Bandwith Priority
Built-in Quality-of-Service (QoS) technology, lets you prioritize gaming experience for a smooth connection experience.

Advanced Features
Supports QoS, VLAN, PXE, Teaming , AFT, SFT, ALB for improved network performance, efficiency, reliability and security.
Product Specifications
| Product Name | 2.5GBase-T Dual-Port PCIe Network Adapter (NA2G2) |
|---|---|
| Bus Type | PCI Express 2.1 (5GT/s) |
| Bus Width | x1 lane PCI Express, operable in x4, x8 and x16 slots |
| Card Type | Standard/Low Profile |
| Chipset | Realtek – RTL8125BG |
| Industry Standards | IEEE 802 .3, IEEE 802.3u, IEEE 802.3x, IEEE 802 .3ab IEEE 802.3az, IEEE 802.3bz |
| Interface | 2x 2.5G RJ45 |
| 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 7, 8 .x, 10, 11 Windows Server 2008 R2, 2012, 2016, 2019; Linux 2 .6 .x to 5 .x |
| Physical Characteristics | Product Height: 120 mm, Product Length: 103 mm, Product Width: 22 mm, Product Weight: 58 g |
| LED Indicator | Act LED (Orange, 2 .5G/1G Speed (Green) |
| Environmental | 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) |
Network Adapter Comparisons (2.5G VS 10G)
![]() 2-Port 2.5GBase-T(NA2G2) | ![]() 2-Port 10GBase-T(NA10G2T) | ![]() 1-Port 10GBase-T(NA10G1T) | ![]() 1-Port 2.5GBase-T(NA2G1) | ![]() 4-Port 2.5GBase-T(NA2G4) |
|---|---|---|---|---|
| Customer Reviews | ||||
| — | — | — | — | — |
| Price | ||||
| — | — | — | — | — |
| Data Rate/Port | ||||
| 2.5G/1G/100M/10M | 10G/1G/100M/10M | 10G/5G/2.5G/1G/100M | 2.5G/1G/100M/10M | 2.5G/1G/100M/10M |
| Port | ||||
| 2 x 2.5G RJ45 | 2 x 10G RJ45 | 1 x 10G RJ45 | 1 x 2.5G RJ45 | 4 x 2.5G RJ45 |
| Controller | ||||
| Realtek – RTL8125BG | Intel - X540 | AQUANTIA - AQC107 | Realtek – RTL8125B | Realtek – RTL8125BG |
| Interface Type(PCIe) | ||||
| PCIe 2.1 X1 | PCIe 2.1 X8 | PCIe 3.0 X4 | PCIe 2.1 X1 | PCIe 2.1 X4 |
| Operating Systems | ||||
| Windows/Linux | Windows/Linux/VMware | Windows/Linux | Windows/Linux/Mac OS | Windows/Linux |
| Un-supported OS | ||||
| Mac OS | Mac OS | Mac OS | - | Mac OS |
| Jumbo Frames | ||||
| 16Kbytes | 15.5Kbytes | 9Kbytes | 16Kbytes | 16Kbytes |
| Low-Profile Bracket | ||||
| ? | ? | ? | ? | ? |
Network Adapter Comparisons (2.5G VS 10G/1G)
![]() 2-Port 2.5GGBase-T(NA2G2) | ![]() 1-Port 10G SFP+(NA10G1S) | ![]() 2-Port 10G SFP+(NA10G2S) | ![]() 2-Port 1GBase-T(NA1G2) | ![]() 4-Port 1GBase-T(NA1G4) |
|---|---|---|---|---|
| Customer Reviews | ||||
| — | — | — | — | — |
| Price | ||||
| — | — | — | — | — |
| Data Rate/Port | ||||
| 2.5G/1G/100M/10M | 10G/1G | 10G/1G | 1000M/100M/10M | 1000M/100M/10M |
| Port | ||||
| 2 x 2.5G RJ45 | 1 x 10G SFP+ | 2 x 10G SFP+ | 2x 1G RJ45 | 4x 1G RJ45 |
| Controller | ||||
| Realtek – RTL8125BG | Intel 82599ES | Intel 82599ES | Intel – 82576EB | Realtek RTL8111H |
| Interface Type(PCIe) | ||||
| PCIe 2.1 X1 | PCIe 2.1 X8 | PCIe 2.1 X8 | PCIe 2.1 X1 | PCIe 1.1 X1 |
| Operating Systems | ||||
| Windows/Linux | Windows/Linux/VMware | Windows/Linux/VMware | Windows/Linux | Windows/Linux/Mac OS |
| Un-supported OS | ||||
| Mac OS | Mac OS | Mac OS | Mac OS | - |
| Jumbo Frames | ||||
| 9Kbytes | 9Kbytes | 9Kbytes | 9.5Kbytes | 9Kbytes |
| Low-Profile Bracket | ||||
| ? | ? | ? | ? | ? |
























