0 ratings
Item #:
100840296
2.5G Dual RJ45 Port PCI-E Network Card with RTL8125B Conrtoller, QFly 2.5Gb Ethernet Adapter Card Compatible with 100/1000Mbps/2.5G, Support
Item #:
100840296
IMP 49
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
RTL8125B chip combined with the latest 2.5GBase-T Technology, delivers extreme speeds of up to 2.5 Gbps, 2.5x faster than typical Gigabit network card
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Product Description
2.5G Dual RJ45 Port PCI-E Network Card with RTL8125B Conrtoller, QFly 2.5Gb Ethernet Adapter Card Compatible with 100/1000Mbps/2.5G, Support Windows/Linux
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the QFly 2.5G Dual RJ45 Port PCI-E Network Card?
Answer: The QFly 2.5G Dual RJ45 Port PCI-E Network Card is a high-performance network adapter designed to enhance your computer's connectivity speed. It features a robust RTL8125B controller, supporting data speeds up to 2.5Gbps while remaining backward compatible with 100Mbps and 1Gbps standards. Perfect for gamers, content creators, and professionals who require fast and reliable internet connections, this card facilitates seamless online experiences. Additionally, its dual RJ45 ports allow for team connections or link aggregation, significantly improving network efficiency. -
Question:
What are the compatibility requirements for the QFly 2.5G Network Card?
Answer: The QFly 2.5G Dual RJ45 Port PCI-E Network Card is designed to be compatible with most standard desktop PCs equipped with a PCI Express slot. It works well on various operating systems including Windows and Linux. This broad compatibility ensures that users can easily integrate it into their existing setups without extensive configuration. For users looking to upgrade their network capabilities, this card is ideal, as it optimizes network performance across diverse applications. -
Question:
How do I install the QFly 2.5G Ethernet Adapter Card?
Answer: Installing the QFly 2.5G Ethernet Adapter Card is straightforward. Begin by turning off your computer and opening the case to access the motherboard. Locate an available PCI Express slot, carefully insert the network card until it’s securely positioned. Close the case, power on your computer, and install any necessary drivers from the provided CD or the manufacturer's website. This process enables users to quickly upgrade their network speeds to take full advantage of high-bandwidth applications and activities. -
Question:
What speeds can I expect from the QFly 2.5G Network Card?
Answer: With the QFly 2.5G Dual RJ45 Port PCI-E Network Card, you can expect network speeds of up to 2.5Gbps provided your network infrastructure supports it. This includes your router and other devices connected to your network. Given that it is backward compatible, it can automatically adjust to provide connections of 1Gbps or 100Mbps when connecting to older devices, making it versatile for various setups. Users can enjoy smoother streaming, faster downloads, and reduced lag during online gaming. -
Question:
Can I use this network card for gaming?
Answer: Yes, the QFly 2.5G Dual RJ45 Port PCI-E Network Card is an excellent choice for gaming. Its high-speed capabilities are beneficial for competitive online gaming, where every millisecond counts. The dual ports allow users to connect to multiple networks simultaneously or configure link aggregation for further speed enhancements. Gamers will appreciate the enhanced stability and reduced latency, ensuring a smoother gaming experience, especially in graphically intensive or bandwidth-demanding online multiplayer environments. -
Question:
What types of Ethernet cables can I use with this card?
Answer: You can use Cat 6a and Cat 7 Ethernet cables with the QFly 2.5G Dual RJ45 Port PCI-E Network Card to achieve optimal performance at 2.5Gbps speeds. These types of cables are designed to handle higher data rates, ensuring minimal interference and maximum bandwidth. However, it's also compatible with Cat 5e cables for speeds up to 1Gbps. Using the appropriate cable can enhance your network performance significantly, making it ideal for high-speed data transfer scenarios like large file sharing and HD streaming. -
Question:
Is this network card suitable for home office use?
Answer: Absolutely! The QFly 2.5G Dual RJ45 Port PCI-E Network Card is well-suited for home office environments. It allows remote workers to handle large data files, engage in video conferencing, and connect multiple devices with reliability. The dual ports also facilitate seamless multitasking, enabling efficient use of network resources. Users will benefit from faster upload and download speeds, making it easier to maintain productivity without interruptions. -
Question:
Does this card support any advanced networking features?
Answer: Yes, the QFly 2.5G Network Card supports advanced networking features such as SMB, VLAN, and Jumbo Frames. These features enhance network performance by optimizing data transmission and improving efficiency in data-heavy environments. SMB support is vital for file sharing across networks, while VLAN capabilities help segregate traffic to secure sensitive data. Implementing Jumbo Frames can also reduce overhead in packets, beneficial for large data transfers, which is an integral part of modern networking setups. -
Question:
What is the significance of the RTL8125B controller in this card?
Answer: The RTL8125B controller integrated into the QFly 2.5G Network Card is significant for its ability to enable high-speed connectivity and efficient networking. This controller supports not just high bandwidth but also features like energy-efficient operation and offloading capabilities, which reduce the processor's workload. Users will find this beneficial in high-demand applications, enhancing overall system performance, particularly during data-intensive tasks like gaming, video streaming, or large file transfers. -
Question:
Where can I buy the QFly 2.5G Dual RJ45 Port PCI-E Network Card?
Answer: You can buy the QFly 2.5G Dual RJ45 Port PCI-E Network Card at Ubuy Isle of Man. Ubuy offers a convenient platform to purchase this network card and provides various details to help you understand its features and benefits. Shopping at Ubuy ensures access to this high-performance network adapter and enhances your online shopping experience with a user-friendly interface.
QFly Network Cards Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
IMP 49
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- 2.5x faster than typical Gigabit network card
- Support Windows11/10/8.1/8/7and Linux, no driver needed on Windows10
- Seamless backward compatibility for 2.5Gbps/1Gbps/100Mbps
- Fits any PCI Express and provides low-profile and full-height brackets options
- Upgrade the host with one more RJ45 port to connect to the wired network
- Low latency guaranteeing smooth data transmissions
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.