StarTech.com PR25GR-NETWORK-CARD

StarTech PR25GR-NETWORK-CARD 2-Port 5G Gigabit PCIe Network Adapter Card

Add two multi-gigabit RJ45 Ethernet ports to a PCI Express desktop or server with a Realtek RTL8126-based adapter supporting up to 5Gbps.

2 × RJ45Up to 5GbpsPCIe 3.12-year warranty

StarTech PR25GR-NETWORK-CARD 2-Port 5G Gigabit PCIe Network Adapter Card

Key features

Dual 5G Ethernet

Two onboard RJ45 ports support auto-negotiation across 5G, 2.5G, 1G, 100M and 10M network speeds.

Realtek RTL8126

Built around the Realtek RTL8126 chipset for multi-gigabit Ethernet connectivity in desktop and server systems.

Flexible PCIe fit

Uses a PCI Express x1 host interface and is compatible with systems equipped with x1, x2, x4, x8 or x16 PCIe slots.

Network management

Supports 9K jumbo frames, VLAN tagging and Wake-on-LAN for supported network environments.

What to know

Cabling2.5G and 5G operation can use existing Cat5e infrastructure when the connected network equipment and cabling support the required link speed.

Host requirementA compatible PCI Express slot is required. The card itself uses a PCI Express x1 connector.

PowerThe adapter is bus powered and does not require a separate external power supply.

Australian version and official StarTech.com warranty

This is the Australian version supplied by DeviceDeal and is covered by the official StarTech.com 2-year manufacturer warranty in Australia. Retain your DeviceDeal tax invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms, eligibility requirements and product assessment.

Frequently asked questions

What does the StarTech PR25GR-NETWORK-CARD do?

It adds two RJ45 multi-gigabit Ethernet ports to a compatible PCI Express desktop computer or server.

What network speeds does PR25GR-NETWORK-CARD support?

It supports auto-negotiation at 5Gbps, 2.5Gbps, 1Gbps, 100Mbps and 10Mbps, with a maximum data transfer rate of 5Gbps per supported link.

Can I use the card with Cat5e cabling?

Yes. StarTech states that 2.5G and 5G speeds can maximise existing Cat5e infrastructure, provided the connected network equipment and cabling support the required speed.

Which PCI Express slots are compatible?

The card uses a PCI Express x1 connector and can be installed in compatible x1, x2, x4, x8 or x16 PCI Express slots.

Which operating systems are officially supported?

The official specification lists Windows 10 and 11, Windows Server 2019 and 2022, and Ubuntu Linux 20.04 or later.

Does the network card support Wake-on-LAN and VLANs?

Yes. The official specification supports Wake-on-LAN, VLAN tagging and 9K jumbo frames.

What is included with PR25GR-NETWORK-CARD?

The package includes the PCIe network card, a low-profile bracket and product documentation.

What warranty applies in Australia?

This Australian-version product is covered by the official StarTech.com 2-year manufacturer warranty in Australia, subject to StarTech.com warranty terms, eligibility and product assessment.

(PR25GR-NETWORK-CARD)

Features and highlights

Dual 5G Ethernet

Two onboard RJ45 ports support auto-negotiation across 5G, 2.5G, 1G, 100M and 10M network speeds.

Realtek RTL8126

Built around the Realtek RTL8126 chipset for multi-gigabit Ethernet connectivity in desktop and server systems.

Flexible PCIe fit

Uses a PCI Express x1 host interface and is compatible with systems equipped with x1, x2, x4, x8 or x16 PCIe slots.

Network management

Supports 9K jumbo frames, VLAN tagging and Wake-on-LAN for supported network environments.

OS support

Official compatibility includes Windows 10/11, Windows Server 2019/2022 and Ubuntu Linux 20.04 or later.

Standard + low profile

Includes a full-height bracket preinstalled and a low-profile bracket for compact systems.

Key highlights

2 × RJ45
Up to 5Gbps
PCIe 3.1
2-year warranty

Warranty confidence

Official StarTech.com 2-year manufacturer warranty in Australia for this Australian-version product, subject to StarTech.com terms and assessment.

Specifications

StarTech PR25GR-NETWORK-CARD

Hardware

Warranty policy	2 Years
Ports	2
Bus type	PCI Express
Card type	Standard Profile (LP bracket included)
Port style	Integrated on Card
Chipset	Realtek RTL8126
Industry standards	IEEE 802.3; IEEE 802.3u; IEEE 802.3x; IEEE 802.3ab; IEEE 802.3az; IEEE 802.3bz; IEEE 802.1Qav; IEEE 802.1P; IEEE 802.1Q; IEEE 802.1ad

Performance

Maximum data transfer rate	5 Gbps
Supported link speeds	5G / 2.5G / 1G / 100M / 10M
Wake-on-LAN	Yes
Additional network features	9K jumbo frames; VLAN tagging

Connectors

External ports	2 × RJ45
Host connector	1 × PCI Express x1

Software

Operating system compatibility	Windows 10, 11; Windows Server 2019, 2022; Ubuntu Linux 20.04 and later

Indicators

Left LED	Link speed: solid green for highest link speed (for example 5Gbps); solid amber for lower link speeds
Right LED	Link status: solid green when the network port is connected

Power

Power source	Bus powered

Physical and Environmental

Colour	Black
Product length	4.8 in [12.1 cm]
Product width	3.4 in [8.6 cm]
Product height	0.7 in [1.8 cm]
Product weight	2.1 oz [58.8 g]
Operating temperature	5°C to 65°C [41°F to 149°F]
Storage temperature	-30°C to 90°C [-22°F to 194°F]
Humidity	10% to 80% non-condensing

Packaging and In the Box

Package length	6.7 in [17.0 cm]
Package width	5.6 in [14.2 cm]
Package height	1.2 in [3.0 cm]
Shipping weight	4.2 oz [119.9 g]
Included	1 × PCIe card; 1 × low-profile bracket; 1 × product documentation

SKU	PR25GR-NETWORK-CARD
Barcode #	65030911344
Brand	STARTECH
Shipping Weight	0.1200kg
Shipping Width	0.003m
Shipping Height	0.018m
Shipping Length	0.015m