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2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile
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2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile
2.5GBase-T PCIe Network Adapter, a high-performance, low-profile compatible Ethernet card that supports multiple systems.
2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile
Item #: 33434630

2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC

88% of respondents would recommend this to a friend

Item #: 33434630

MMK 107266

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2.5GBase-T PCIe Network Adapter, a high-performance, low-profile compatible Ethernet card that supports multiple systems.
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What Stands Out

High-Speed Connectivity
Experience lightning-fast network speeds up to 2.5Gbps, surpassing standard Ethernet cards, ensuring seamless streaming, gaming, and data transfer for demanding users.
Cross-Platform Support
Designed for Windows, Linux, and MAC, this adapter provides versatile compatibility, making it ideal for diverse systems and maximizing user convenience.
Low Profile Design
The compact low profile design allows easy installation in smaller cases, providing flexibility without sacrificing performance, perfect for compact builds.

Product Details

Shop the latest 2.5GBase-T PCIe Network Adapter at Ubuy Myanmar. Get fast and reliable Gigabit Ethernet Card for your Windows, Linux, or MAC system. Support PXE with low profile design.
  • PCI Express RTL8125B 2.5G network adapter with low profile bracket
  • Supports multiple systems like Windows, Linux, and Mac OS
  • Complies with IEEE802.3u, IEEE802.3ab, and IEEE802.3bz specifications
  • Offers high-speed transmission over CAT5e UTP cable or CAT3 UTP (10Mbps only) cable
  • Supports PXE function, Wake on LAN, and 2.5G/1G Lite mode
  • Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE802.3az, and IEEE802.3bz
BrandULANSeN
Model NumberRTL8125B
Number of Items1
ManufacturerULANSON
Mfr Part NumberRTL8125B
Hardware InterfaceEthernet
Compatible DevicesLaptop
Operating System['Windows', 'macOS', 'Linux']
Item Dimensions L x W x H2.8"L x 1.97"W x 0.08"H (7.1 x 5 x 0.2 cm)
Style NameClassic
Product Dimensions (L x W x H)2.8"L x 1.97"W x 0.08"H (7.1 x 5 x 0.2 cm)
StyleClassic

Who Should Buy?

Suitable For
  • Gamers

    Provides enhanced network speeds for online gaming, reducing latency and improving gameplay experiences.

  • Content Creators

    Ideal for streaming and transferring large files quickly, facilitating a smoother workflow for video and audio editing.

  • Small Offices

    Perfect for small businesses needing fast, reliable Ethernet connectivity for multiple users and devices simultaneously.

Not Suitable For
  • Casual Users

    Basic internet users with no need for high speeds may find this product unnecessary for their everyday tasks.

Product Description

2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile

About This Item

Introducing the 2.5GBase-T PCIe Network Adapter RTL8125B - a high-performance Ethernet card designed to enhance your network connectivity and provide lightning-fast speeds for all your online activities. This network adapter is perfect for individuals who demand top-of-the-line performance for their gaming, streaming, and downloading needs. With its 2.5GBase-T speed capabilities, this PCIe network adapter delivers up to 2.5 times faster speeds compared to regular Gigabit Ethernet cards. Whether you're uploading large files, streaming high-definition videos, or playing online games, this adapter ensures a seamless experience without any lag or buffering. The RTL8125B LAN controller ensures stable and reliable connections, providing you with uninterrupted internet access and a smooth browsing experience.

Say goodbye to frustrating delays and enjoy an ultra-fast and reliable connection every time. Not only does this network adapter offer exceptional performance, but it is also equipped with a low-profile design. This means you can easily install it in small form factor or low-profile computer systems without any hassle. Its compact size ensures that it won't take up unnecessary space in your desktop or server. Compatible with Windows, Linux, and MAC operating systems, this network adapter is versatile and can be used on a wide range of devices.

Whether you're a Windows enthusiast, a Linux aficionado, or a MAC user, this Ethernet card has got you covered. In addition, this network adapter supports PXE (Preboot Execution Environment) for easy network booting. This feature is especially useful for IT professionals who need to boot several computers through a network, making it incredibly convenient and time-saving. Upgrade your network speed and reliability with the 2.5GBase-T PCIe Network Adapter RTL8125B. Don't settle for sluggish connections - experience the power of ultra-fast Gigabit Ethernet speeds and enjoy all your online activities without any interruptions.

Order now and take your network performance to the next level.

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Customer Questions & Answers

  • Question: What is the speed supported by the 2.5GBase-T PCIe Network Adapter?

    Answer: The 2.5GBase-T PCIe Network Adapter supports speeds of up to 2.5Gbps, providing faster data transfer rates compared to traditional Gigabit Ethernet adapters. This enhancement allows for improved performance in bandwidth-intensive tasks such as gaming, video streaming, or large file transfers. For instance, if you are a gamer or content creator, this adapter ensures a seamless online experience with reduced lag.
  • Question: Is this network adapter compatible with multiple operating systems?

    Answer: Yes, the 2.5GBase-T PCIe Network Adapter is compatible with Windows, Linux, and macOS. This versatility makes it an excellent choice for users who operate across different platforms. For example, if you are developing software on Linux but need to access resources on a Windows machine, this adapter facilitates connectivity without any issues.
  • Question: What is the installation process for this network adapter?

    Answer: Installing the 2.5GBase-T PCIe Network Adapter is straightforward. You simply need to insert it into an available PCIe slot on your motherboard and connect the necessary RJ45 LAN cable. Once installed, you may need to download drivers suitable for your operating system to fully utilize its features. For users new to hardware upgrades, following the manufacturer’s manual can provide step-by-step guidance for a successful installation.
  • Question: Can I use this adapter for gaming purposes?

    Answer: Absolutely! The 2.5GBase-T PCIe Network Adapter is designed with gamers in mind. It allows for higher speeds and lower latency, which are crucial for online gaming. This means less lag and a smoother gaming experience, especially in competitive scenarios. As a result, a dedicated gaming setup can benefit significantly from this adapter, enhancing overall performance.
  • Question: What are the advantages of PXE support in this network adapter?

    Answer: PXE (Preboot Execution Environment) support in the 2.5GBase-T PCIe Network Adapter enables network booting capabilities. This is beneficial for IT environments where systems need to be booted and configured without physical media. For example, in corporate settings, administrators can deploy operating systems across multiple machines quickly and efficiently, making it an ideal solution for managing networked devices.
  • Question: Does the adapter support power over Ethernet (PoE)?

    Answer: No, the 2.5GBase-T PCIe Network Adapter does not support Power over Ethernet (PoE). PoE is typically used for specific devices such as IP cameras or VoIP phones. However, the adapter excels in providing high-speed network access, making it perfect for setups that require robust data transfer without needing to draw power over the Ethernet connection.
  • Question: What type of RJ45 cable is recommended for optimal performance?

    Answer: For optimal performance with the 2.5GBase-T PCIe Network Adapter, it is recommended to use at least a Cat 6a or Cat 7 RJ45 cable. These cables are designed to handle higher data rates and can support longer distances without degradation in signal quality. For example, if you are establishing a connection across a large space, using the right cable ensures that you maintain stable and fast connectivity throughout your setup.
  • Question: What home network improvements will I notice when using this adapter?

    Answer: By integrating the 2.5GBase-T PCIe Network Adapter into your home network, you will notice significant improvements in data transfer speeds and reduced latency. This is especially beneficial for streaming high-definition content, transferring large files, or supporting multiple connected devices simultaneously. It enhances the overall efficiency of your home network, ensuring that activities like video conferencing or online gaming remain smooth and uninterrupted.
  • Question: Can this adapter be used for business networking applications?

    Answer: Yes, the 2.5GBase-T PCIe Network Adapter is well-suited for business networking applications. Its high-speed capabilities allow for the efficient handling of data-heavy applications, cloud services, and network storage solutions. Organizations that require reliable and fast connectivity for their operations would find this adapter instrumental in enhancing productivity and collaboration among their teams.
  • Question: Where can I buy the 2.5GBase-T PCIe Network Adapter in Myanmar?

    Answer: You can conveniently purchase the 2.5GBase-T PCIe Network Adapter from Ubuy in Myanmar. Ubuy offers a wide selection of electronic components, ensuring that you can source the adapter with ease. They provide detailed product information and customer reviews, helping you make an informed purchase while enjoying a smooth buying experience.

ULANSeN Network Cards RTL8125B Editorial Review

2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile is an impressive network adapter that greatly enhances your network capabilities. Users have praised its installation process, which is straightforward, allowing quick setup into a PCIe slot. Moreover, the remarkable 2.5 Gbps throughput significantly boosts data transfer speeds compared to older standards. Many have reported seamless performance in tasks like online gaming and streaming ultra-high-definition content, underlining its resilience in handling heavy network traffic. The adapter's compatibility with Windows, Linux, and macOS ensures versatility for various setups, making it a worthwhile choice for users wanting stable and fast internet connections.

Customer Reviews & Ratings

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Pros

  • Significant improvement in network speed and stability
  • Ideal for large file transfers and high-definition streaming
  • Compatible with Windows, Linux, and macOS
  • Easily fits in a PCIe slot
  • Advanced features like Wake-on-LAN supported

Cons

  • Installation process may be challenging for some users

Platform Trust & Buyer Confidence

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MMK 107266

Order now and get it around Wednesday, September 09

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Fastest cross-border delivery

Features & Benefits

  • Supports PXE function and Wake on LAN
  • Compatible for X1,X4,X8,X16
  • Driver link is on the bracket, can be freely downloaded
  • Supports DSM, PVE, ikuai, unraid6.9.2, OpenWrt and ESXI6.7
  • Supports Windows ME/98SE/2000/XP, Win7 / Win8 / Win10 / Vista / Sever 2003/2008 / 2012 /2016/ Linux / DOS/MAC OS
  • Ideal for those who require high speed Ethernet connectivity in a variety of systems.

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