PCI-E Network Adapter RTL8125B 2.5Gbps Gigabit Ethernet Card RJ45 LAN Controller

Brand: fenvi Sold By: TopSelected
$66.92 In Stock
Ships from United States Arrives in 7-14 business days

Free Standard Shipping on orders over 89

30-day returns in original condition. Food, medicine & supplements are non-returnable.
Delivery:
05
August2026
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14
August2026
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PCI-E Network Adapter RTL8125B 2.5Gbps Gigabit Ethernet Card RJ45 LAN Controller

PCI-E Network Adapter RTL8125B 2.5Gbps Gigabit ...

$66.92

Product Details
PCI-E Network Adapter RTL8125B 2.5Gbps Gigabit Ethernet Card RJ45 LAN Controller
2.5Gbps PCIe Network Card

2.5Gbps PCIe Network Card to 2.5 Gigabit Ethernet Network Adapter for PC Windows

 

Description:

  • 【COMPATIBLE WITH OS】Compatible with Windows 10 / 8 / 8.1 / 7 / XP / Vista, Windows Server 2012 / 2008 R2 / 2008 / 2003, UEFI, Linux kernel up to 5.6 operating systems.
  • 【DRIVER INSTALLATION REQUIRED】To find more OS compatibility version or driver download, go to Realtek: https:// www . realtek. com/zh-tw/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software.
  • 【2.5GBPS PCIE NETWORK ADAPTER WITH RTL8125B CHIP】PCIe 2.5G 4-Speed Multi-Gigabit Network Adapter supports data rate up to 2.5 Gbps. It will increase business working efficiency by increasing the network speed. The transmission is more stable, and it is not easy to cause packet loss and distortion.
  • 【ADD 2.5G RJ45 ETHERNET PORT】Fits any PCI Express x1, x2, x4, x8 or x16 socket. NOTE: Only work with PCI-E slot, Not for PCI Slot.
  • 【PACKAGE CONTENTS】2.5G PCIe network card, standard bracket, low-profile bracket, screws
  • 【2.5Gbps Network Speed】Up to 2.5 times faster data transfer speed, using next-generation 2.5GBase-T technology, faster than standard Gigabit Ethernet, better for large-scale games and complex task processing, providing a better experience for desktop computers.

Suitable for Host Sever and Personal PC

PCI Express RTL8125B 2.5G network adapter is combines a four-speed IEEE802.3 compatible Media Access controller with a four-speed Ethernet transceiver, it is complies with the IEEE802.3u specification for 10/100Mbps Ethernet,the IEEE802.3ab specification for 1000Mbps Ethernet and IEEE802.3bz specification for 2500Mbps Ethernet.

Product Feature.

It offers high-speed transmission over CAT5e UTP cable OR CAT3 UTP(10Mbps only)cable .it is suitable for multiple market segments and emerging applications, such as desktop, workstation, server, communications platforms, and embedded applications.

Specification

Chipset:RTL8125B

Port number:1* RJ45

Standard:IEEE 802.3、IEEE 802.3u、IEEE 802.3ab、IEEE 802.3az、IEEE 802.3bz

Network media:10Base-T,cat3 or above UTP,1000Base-Tx,cat5 or above UTP

Data rate:PCI Express 1x slot

Auto MDIX:YES

Full Duplex Support:YES

LED Indicator:100M/1G/2.5G Link/Act

Dimension:71.5*50*1.6mm

Support OS:Windows 10(32/64), Win7 (32/64), Win8,8.1 (32/64),Windows Server,2012,2008,Linux,Mac OS

Support PXE function.

Support Wake on LAN

Support 2.5G and 1G Lite mode

Compatible with NBASE-T Alliance PHY Specification

Supports PCI Express 2.1

Supports 1-Lane 2.5G/5Gbps PCI Express Bus

Compliant with IEEE 802.3,IEEE 802.3u,IEEE 802.3ab

Supports IEEE 802.1P Layer 2 Priority Encoding

Supports IEEE 802.1Q VLAN tagging

Supports IEEE802.3az(Energy Efficient Ethernet)

Supports IEEE802.3bz(2.5GBASE-T)

Supports Full Duplex flow control(IEEE 802 .3x)

Packing:

1*PCIe Gigabit Ethernet Adapter  

1*Low Profile bracket

1* Screw

 

 

1.We only accept paypal.
2.Make sure you have a valid Paypal account for Prior purchase
The shipping: HongKong post,EMS,DHL,UPS,TNT,FedEX and etc.
                     ALL ORDERS WILL BE PROCESSED WITHIN 1 BUSINESS DAY.
 
Shipping Ways:
Economy Shipping: with the tracking number
11-35 business days to arrive (not in busy season).
ePacket or Standard Int'I Shipping: with a tracking number
7-35 business days to arrive (not in busy season). 
We recommend to choose ePacket for the US address,it take less days to arrive.
We recommend to choose the Standard Shipping way for address in Russia,Brazil,Chile,New Zealand,Mexico,South Afica,Asia countries and other countries. it help to make your package not be lost.
Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials.

We specialized in 3C electronics products and cellphone or computer accessories for many years.

we are not just selling products,instead we also hope to provide professional and after-sale service.
 
Pls feel free to contact us from ebay message if you have any questions ,we will reply you within 48 hours except the weekends and public holidays.We appreciate for your positive feedback and 5 stars,we will do the same to you .
No DSR left is better than 1~4 Stars for us.THANK YOU!
PushAuction

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges first item USD 6.99 and additional item USD 3.0 each. Standard International Shipping from United Kingdom, Germany, Italian and Japan to the United States charges first item USD 11.99 and additional item USD 4.0 each.

Import Duty: Everymarket collects applicable duties and taxes on goods imported into the U.S. at checkout, it's calculated based on the goods value multiply by the rate. For United Kingdom and China goods is 10%, Germany, Italian and Japan goods is 15%. We are committed to making your U.S. shopping experience simple and transparent. The method of delivery—either Delivered Duty Paid (DDP) or Delivered Duty Unpaid (DDU)—depends on whether duties and taxes are collected at the time of your purchase.

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. Average transit times to the United States is 3 - 7 Business days and average transit times to International is 7 - 14 Business days 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs:
    - If your return is approved due to a defective, damaged, or incorrect item, we will provide a prepaid return shipping label at no cost.

    - If the item has no quality issues and matches the product listing and description, please contact our Customer Service team before returning it. Once your return is authorized, you must return the item according to the provided instructions. In this case, the return shipping cost is the customer's responsibility.

    - We are not responsible for return shipping costs for items returned without prior authorization.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Please contact us to get return labels.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 (800) 660-3783

  • Email: cs@everymarket.com

 

PCI-E Network Adapter RTL8125B 2.5Gbps Gigabit Ethernet Card RJ45 LAN Controller
2.5Gbps PCIe Network Card

2.5Gbps PCIe Network Card to 2.5 Gigabit Ethernet Network Adapter for PC Windows

 

Description:

  • 【COMPATIBLE WITH OS】Compatible with Windows 10 / 8 / 8.1 / 7 / XP / Vista, Windows Server 2012 / 2008 R2 / 2008 / 2003, UEFI, Linux kernel up to 5.6 operating systems.
  • 【DRIVER INSTALLATION REQUIRED】To find more OS compatibility version or driver download, go to Realtek: https:// www . realtek. com/zh-tw/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software.
  • 【2.5GBPS PCIE NETWORK ADAPTER WITH RTL8125B CHIP】PCIe 2.5G 4-Speed Multi-Gigabit Network Adapter supports data rate up to 2.5 Gbps. It will increase business working efficiency by increasing the network speed. The transmission is more stable, and it is not easy to cause packet loss and distortion.
  • 【ADD 2.5G RJ45 ETHERNET PORT】Fits any PCI Express x1, x2, x4, x8 or x16 socket. NOTE: Only work with PCI-E slot, Not for PCI Slot.
  • 【PACKAGE CONTENTS】2.5G PCIe network card, standard bracket, low-profile bracket, screws
  • 【2.5Gbps Network Speed】Up to 2.5 times faster data transfer speed, using next-generation 2.5GBase-T technology, faster than standard Gigabit Ethernet, better for large-scale games and complex task processing, providing a better experience for desktop computers.

Suitable for Host Sever and Personal PC

PCI Express RTL8125B 2.5G network adapter is combines a four-speed IEEE802.3 compatible Media Access controller with a four-speed Ethernet transceiver, it is complies with the IEEE802.3u specification for 10/100Mbps Ethernet,the IEEE802.3ab specification for 1000Mbps Ethernet and IEEE802.3bz specification for 2500Mbps Ethernet.

Product Feature.

It offers high-speed transmission over CAT5e UTP cable OR CAT3 UTP(10Mbps only)cable .it is suitable for multiple market segments and emerging applications, such as desktop, workstation, server, communications platforms, and embedded applications.

Specification

Chipset:RTL8125B

Port number:1* RJ45

Standard:IEEE 802.3、IEEE 802.3u、IEEE 802.3ab、IEEE 802.3az、IEEE 802.3bz

Network media:10Base-T,cat3 or above UTP,1000Base-Tx,cat5 or above UTP

Data rate:PCI Express 1x slot

Auto MDIX:YES

Full Duplex Support:YES

LED Indicator:100M/1G/2.5G Link/Act

Dimension:71.5*50*1.6mm

Support OS:Windows 10(32/64), Win7 (32/64), Win8,8.1 (32/64),Windows Server,2012,2008,Linux,Mac OS

Support PXE function.

Support Wake on LAN

Support 2.5G and 1G Lite mode

Compatible with NBASE-T Alliance PHY Specification

Supports PCI Express 2.1

Supports 1-Lane 2.5G/5Gbps PCI Express Bus

Compliant with IEEE 802.3,IEEE 802.3u,IEEE 802.3ab

Supports IEEE 802.1P Layer 2 Priority Encoding

Supports IEEE 802.1Q VLAN tagging

Supports IEEE802.3az(Energy Efficient Ethernet)

Supports IEEE802.3bz(2.5GBASE-T)

Supports Full Duplex flow control(IEEE 802 .3x)

Packing:

1*PCIe Gigabit Ethernet Adapter  

1*Low Profile bracket

1* Screw

 

 

1.We only accept paypal.
2.Make sure you have a valid Paypal account for Prior purchase
The shipping: HongKong post,EMS,DHL,UPS,TNT,FedEX and etc.
                     ALL ORDERS WILL BE PROCESSED WITHIN 1 BUSINESS DAY.
 
Shipping Ways:
Economy Shipping: with the tracking number
11-35 business days to arrive (not in busy season).
ePacket or Standard Int'I Shipping: with a tracking number
7-35 business days to arrive (not in busy season). 
We recommend to choose ePacket for the US address,it take less days to arrive.
We recommend to choose the Standard Shipping way for address in Russia,Brazil,Chile,New Zealand,Mexico,South Afica,Asia countries and other countries. it help to make your package not be lost.
Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials.

We specialized in 3C electronics products and cellphone or computer accessories for many years.

we are not just selling products,instead we also hope to provide professional and after-sale service.
 
Pls feel free to contact us from ebay message if you have any questions ,we will reply you within 48 hours except the weekends and public holidays.We appreciate for your positive feedback and 5 stars,we will do the same to you .
No DSR left is better than 1~4 Stars for us.THANK YOU!
PushAuction

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges first item USD 6.99 and additional item USD 3.0 each. Standard International Shipping from United Kingdom, Germany, Italian and Japan to the United States charges first item USD 11.99 and additional item USD 4.0 each.

Import Duty: Everymarket collects applicable duties and taxes on goods imported into the U.S. at checkout, it's calculated based on the goods value multiply by the rate. For United Kingdom and China goods is 10%, Germany, Italian and Japan goods is 15%. We are committed to making your U.S. shopping experience simple and transparent. The method of delivery—either Delivered Duty Paid (DDP) or Delivered Duty Unpaid (DDU)—depends on whether duties and taxes are collected at the time of your purchase.

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. Average transit times to the United States is 3 - 7 Business days and average transit times to International is 7 - 14 Business days 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs:
    - If your return is approved due to a defective, damaged, or incorrect item, we will provide a prepaid return shipping label at no cost.

    - If the item has no quality issues and matches the product listing and description, please contact our Customer Service team before returning it. Once your return is authorized, you must return the item according to the provided instructions. In this case, the return shipping cost is the customer's responsibility.

    - We are not responsible for return shipping costs for items returned without prior authorization.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Please contact us to get return labels.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 (800) 660-3783

  • Email: cs@everymarket.com

 

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