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header-product InLine Dual Gigabit network card 2.5Gb/s PCIe x1 Realtek RTL8125B with LP bracket
57.99 €

InLine Dual Gigabit network card 2.5Gb/s PCIe x1 Realtek RTL8125B with LP bracket

InLine Dual Gigabit Network Card 51126A Photo 1
InLine Dual Gigabit Network Card 51126A Photo 2
InLine Dual Gigabit Network Card 51126A Photo 3
InLine Dual Gigabit Network Card 51126A Photo 1
InLine Dual Gigabit Network Card 51126A Photo 2
InLine Dual Gigabit Network Card 51126A Photo 3
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InLine Dual Gigabit network card 2.5Gb/s PCIe x1 Realtek RTL8125B with LP bracket

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Short description

InLine Dual Gigabit network card featuring 2.5Gb/s speed over wired Ethernet connectivity via PCIe x1 interface. Equipped with the Realtek RTL8125B chipset and compatible with Windows 10, 8, 7, and 11 operating systems. Includes a low-profile bracket for flexible installation in various computer chassis setups, supporting advanced networking standards for reliable high-speed data transmission.
Available at price 57.99 €: 17 pcs.
Total available for order: 34 pcs.
Warranty: 2 Years
SKU: 10509302
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.11.2026 {{selectedOffer.officeDeliveryString}}
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20.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.05 kg)
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From 1.99 €
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Product information

Description

The InLine Dual Gigabit network card 2.5Gb/s PCIe x1 Realtek RTL8125B with LP bracket is a reliable wired networking solution designed to enhance local data transfer speeds and provide stable Ethernet connectivity. Equipped with the efficient Realtek RTL8125B chipset and dual RJ45 ports, this PCI Express network adapter allows you to upgrade your desktop computer with high-performance 2.5 Gb/s capabilities. It adapts automatically to standard network speeds and features advanced data offloading to maintain steady transmission performance.

Advantages

This network card delivers double the speed of traditional gigabit connections by supporting up to 2.5 Gb/s data rates, significantly accelerating local file transfers and data backups. The inclusion of two independent ports allows for flexible network separation and segmenting services within your infrastructure. Integration is straightforward across various desktop chassis thanks to the bundled low-profile bracket, which accommodates both standard and compact system builds. Additionally, hardware-level features such as jumbo frame support and checksum offloading help reduce overall processor load during heavy network traffic.

Suitable for

  • Upgrading desktop computers to high-speed 2.5G wired internet and local networking
  • Setting up segmented networks or managing dual connections using independent RJ45 ports
  • Installing in compact or standard desktop computer cases with the included low-profile bracket
  • Handling data-intensive office tasks, media streaming, and local server environments

When it may not be suitable

This expansion card is designed strictly for internal installation in desktop computers equipped with an available PCI Express x1 slot and is not compatible with laptops or mobile devices. Furthermore, users whose network infrastructure and routers are limited to standard 1Gb/s speeds will not be able to utilize the full 2.5 Gb/s performance potential without compatible networking hardware.

Key specifications

  • Host interface: PCI Express x1, Revision 2.1
  • Connectivity technology: Wired Ethernet via 2x RJ45 ports
  • Chipset: Realtek RTL8125B
  • Data rates supported: 10/100/1000 Mb/s and 2.5 Gb/s with Auto-Negotiation
  • Networking standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.1p, IEEE 802.1Q
  • Jumbo frame support: Up to 16 KB
  • Operating system compatibility: Windows 7, 8, 8.1, 10, 11, and Linux
  • Product colour: Green and Chrome

How to use

To install the network card, power off your computer, unplug the power cable, and open the system chassis. Insert the card firmly into an available PCI Express x1 slot and secure it to the back panel using the appropriate standard or low-profile bracket. Close the chassis, reconnect the power, and turn on the system. Install the required drivers from the provided media or download them from the manufacturer website to complete the setup before connecting your Ethernet cables.

What to consider before purchase

  • Verify that your computer motherboard has an available PCIe x1 or compatible PCIe slot
  • Check that your operating system version matches the supported Windows or Linux drivers
  • Ensure your switch, router, or local network devices support 2.5G speeds to take full advantage of the adapter

Usage recommendations

For optimal network performance and stability, ensure you install the latest official drivers for your operating system and connect the card using compatible high-quality Ethernet cabling.

Specifications

Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Ethernet
Host interface: Interface that enables a host controller to communicate with a driver.
PCI Express
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
1.9 kg
Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.3ab, IEEE 802.3, IEEE 802.1p, IEEE 802.3u, IEEE 802.3x, IEEE 802.1Q
Product colour: The colour e.g. red, blue, green, black, white.
Green, Chrome
All features
Package volume:
1000 cm³

Ports & interfaces

Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Ethernet
Host interface: Interface that enables a host controller to communicate with a driver.
PCI Express
Internal: The product is built in.
Yes
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
2

Network

Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.3ab, IEEE 802.3, IEEE 802.1p, IEEE 802.3u, IEEE 802.3x, IEEE 802.1Q
Chipset: Set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals. It is usually found in the motherboard of a computer. Chipsets are usually designed to work with a specific family of microprocessors. Because it controls communications between the processor and external devices, the chipset plays a crucial role in determining system performance.
Realtek RTL8125B

Performance

Windows operating systems supported: Windows vesions wich can be used with the device.
Windows 10, Windows 11, Windows 8.1, Windows 7, Windows 8
Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3)
Y

Design

Product colour: The colour e.g. red, blue, green, black, white.
Green, Chrome

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
1.9 kg
Package weight: Weight of the packaged product.
46 g
Height: The measurement of the product from head to foot or from base to top.
122 mm
Width: The measurement or extent of something from side to side.
95 mm
Depth: The distance from the front to the back of something.
1.58 mm
Package depth: The distance from the front to the back of the packaging.
143 mm
Package height: The distance from the top to the bottom of the packaging.
39 mm
Package width: The distance from one side of the packaging to the other.
175 mm

Packaging content

Manual:
Yes
Mounting brackets included:
Yes

Other features

Dimensions (WxDxH): Dimensions of the product (Width x Depth x Height).
95 x 1.58 x 122
Data transfer rate: Rate at which data can be transferred, usually measured in units per second. May vary with network configurations.
2500 Mbit/s

Description

Machine translation.

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Stock data
Warehouse Stock Delivery to the store Store Price
WH357 17 16.11.2026 Best delivery
57.99 € Best price
Available only for legal entities
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WH109 17 01.12.2026
68.49 €
57.99 €
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Delivery Date: 16.11.2026 Best delivery
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Delivery Date: 01.12.2026
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Customer reviews

Customer questions

FAQ

How much does the InLine Dual Gigabit Network Card 51126A cost, and is it available for purchase?

The price is 57.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 34 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All InLine products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized InLine service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, weight, networking standards, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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14-Day Return Policy
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AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.