Realtek PCIe Gigabit and 2.5G Ethernet

Realtek publishes PCIe controller software covering multiple FE, GbE, 2.5GbE, 5G, and 10G families. The exact controller, host product, Windows release, cable, and switch determine applicability and negotiated speed. Do not assume Windows has an inbox driver or that an OEM package fixes stability without package notes for that controller.

Network & Wi-Fi reference

Family profile

Reference coverage: Varies by exact adapter, system or board model, package, and release; verify the official support page
Hardware category: Network & Wi-Fi
Manufacturer: Realtek
Related families listed: 15 in this category, 8 elsewhere from Realtek

This coverage label describes releases discussed by this publication, not certified compatibility. Confirm the exact device or PC model, hardware revision, current Windows release, and current package requirements on the publisher source before making a change. Windows 10 Home and Pro reached end of support on October 14, 2025. Extended security updates and other editions have separate lifecycle terms; a driver listing does not extend Windows support.

Realtek PCIe Gigabit and 2.5G Ethernet at a glance

Detail	What it means for you
Adapter type	Wired PCIe Ethernet controller family
Link medium	Rated speed depends on exact controller and host product
Driver source	Exact PC, board, or Realtek listing
Combined Bluetooth	No
Windows built-in support	Varies by controller and Windows release
Typical failure mode	Wrong controller package or physical-link limitation

A quick read on what this family is and what to expect from its driver package.

How to tell this is what you have

May appear as a Realtek PCIe GbE or 2.5GbE controller
Exact controller and host board must be identified
Wired port speed also depends on the physical network path

Worth knowing: Identify the exact Realtek controller and use an applicable package.

Device Driver Guide does not host driver files or bundle an updater. This page documents the Realtek PCIe Gigabit and 2.5G Ethernetfamily; its citations are selected from the package-source policy recorded for this family.

Official links, no hosted downloads

Device Driver Guide hosts no executables or updater tools. External citations are limited to official publisher documentation pages and are labeled before you leave this site.

Browse related families

Open the listed network & wi-fi directory

View all listed Realtek families

Full Network & Wi-Fi reference

Useful guides

Package path for Realtek PCIe Gigabit and 2.5G Ethernet

The family record names Exact PC, board, or Realtek listing as the package source. Use Varies by exact adapter, system or board model, package, and Windows release; verify the official support page only as reference coverage, then check the current publisher requirements for the exact model, hardware revision, Windows release, and PC configuration. A family name alone does not establish compatibility.

Shared identification, preparation, installation, verification, and rollback procedures are maintained on the full network & wi-fi guide, rather than repeated on every family page. The citations below follow this family’s declared vendor, system-update, PC-maker, or motherboard-maker source policy.

Official sources and citations

These links serve two different purposes. A manufacturer support selector helps you find an exact model, but does not prove that a package or feature exists for every product in a family. Claim-specific documents explain the cited technology, requirement, lifecycle, or bounded package example. In either case, check the publisher domain, exact model and hardware revision, operating-system release, supported-products list, and package notes before making a change.

Dell downloads and documentation
Dell: Use this publisher-maintained page to match the exact Dell model and operating-system release before selecting a package.
HP downloads and documentation
HP: Use this publisher-maintained page to match the exact HP model and operating-system release before selecting a package.
Lenovo downloads and documentation
Lenovo: Use this publisher-maintained page to match the exact Lenovo model and operating-system release before selecting a package.
ASUS downloads and documentation
ASUS: Use this publisher-maintained page to match the exact ASUS model and operating-system release before selecting a package.
Acer downloads and documentation
Acer: Use this publisher-maintained page to match the exact Acer model and operating-system release before selecting a package.
Microsoft Surface downloads and documentation
Microsoft Surface: Use this publisher-maintained page to match the exact Microsoft Surface model and operating-system release before selecting a package.
Gigabyte downloads and documentation
Gigabyte: Use this publisher-maintained page to match the exact Gigabyte model and operating-system release before selecting a package.
MSI downloads and documentation
MSI: Use this publisher-maintained page to match the exact MSI model and operating-system release before selecting a package.
ASRock downloads and documentation
ASRock: Use this publisher-maintained page to match the exact ASRock model and operating-system release before selecting a package.
Windows 10 Home and Pro lifecycle
Microsoft Lifecycle: Lifecycle documentation for Windows 10 Home and Pro; separately governed editions and servicing channels can have different dates.
Realtek PCIe network-controller downloads
Realtek: Controller-family selector; match hardware ID, controller, board/system package, and OS.

Device Driver Guide is an independent reference, not a repair or technical-support service. It does not host or mirror installers and receives no payment for these links. A named-model package example applies only to the systems and operating systems on that publisher page; it is not a recommendation to install the package across a family. Report a moved or incorrect link through the correction form.

Other network & wi-fi families to compare

Realtek PCIe Gigabit and 2.5G Ethernet next to the other 15 families in this category

Family	Manufacturer	Reference coverage	How you recognize it
Realtek PCIe Gigabit and 2.5G Ethernet (this page)	Realtek	Varies by exact adapter, system or board model, package, and release; verify the official support page	May appear as a Realtek PCIe GbE or 2.5GbE controller
Intel Wi-Fi (Wireless Adapter Family)	Intel	Varies by exact adapter, system or board model, package, and release; verify the official support page	Named as an Intel Wi-Fi adapter under Network adapters
Intel Ethernet Controllers	Intel	Varies by exact adapter, system or board model, package, and release; verify the official support page	Listed as an Intel Ethernet Connection or Controller
Realtek Wireless LAN Adapters	Realtek	Varies by exact adapter, system or board model, package, and release; verify the official support page	Listed as a Realtek wireless or 802.11 adapter
AMD Wireless and Ethernet (Platform Networking)	AMD	Varies by exact adapter, system or board model, package, and release; verify the official support page	AMD identifies the platform, not necessarily the network silicon
Dell Network Drivers (OEM Wi-Fi and Ethernet)	Dell	Varies by exact adapter, system or board model, package, and release; verify the official support page	Located by Dell Service Tag or model
HP Network Drivers (OEM Wi-Fi and Ethernet)	HP	Varies by exact adapter, system or board model, package, and release; verify the official support page	Located by HP product or serial number
Lenovo Network Drivers (OEM Wi-Fi and Ethernet)	Lenovo	Varies by exact adapter, system or board model, package, and release; verify the official support page	Selected by Lenovo machine type
Microsoft Surface Wi-Fi and Ethernet	Microsoft Surface	Varies by exact adapter, system or board model, package, and release; verify the official support page	Bundled in a Surface driver and firmware package
ASUS Wi-Fi and Ethernet (Motherboard and Router-adjacent)	ASUS	Varies by exact adapter, system or board model, package, and release; verify the official support page	Board networking listed per ASUS model
MSI Motherboard Networking Package	MSI	Varies by exact adapter, system or board model, package, and release; verify the official support page	Listed per MSI board model
Gigabyte Motherboard Networking Package	Gigabyte	Varies by exact adapter, system or board model, package, and release; verify the official support page	Listed per Gigabyte board model
ASRock Motherboard Networking Package	ASRock	Varies by exact adapter, system or board model, package, and release; verify the official support page	Listed per ASRock board model
Acer Network Drivers (OEM Wi-Fi and Ethernet)	Acer	Varies by exact adapter, system or board model, package, and release; verify the official support page	Located by Acer model or serial number
Killer Networking (via PC and board makers)	Intel	Varies by exact adapter, system or board model, package, and release; verify the official support page	Branded as a Killer Wi-Fi or Ethernet adapter
Logitech Wireless Peripheral Networking	Logitech	Varies by exact adapter, system or board model, package, and release; verify the official support page	Uses Bluetooth or a model-specific Logitech receiver, not Wi-Fi or Ethernet

Use this when you are not certain which family your hardware belongs to.

Other Realtek families in the catalog

Realtek hardware documented outside network & wi-fi

Family	Category	Reference coverage
Realtek High Definition Audio Codecs	Audio & Sound	10, 11
Realtek USB Audio	Audio & Sound	10, 11
Realtek Bluetooth Adapters	Bluetooth	Varies by exact radio or peripheral model, package, and release; verify the official support page
Realtek PCIe/USB Card Reader Controller	Card Readers	10, 11
Realtek PCIe GbE Family Controller	Ethernet & LAN	Varies by exact controller, hardware revision, system or board package, and release; verify the official support page
Realtek PCIe 2.5GbE Family Controller	Ethernet & LAN	Varies by exact controller, hardware revision, system or board package, and release; verify the official support page
Realtek USB GbE Family Controller	Ethernet & LAN	Varies by exact controller, hardware revision, system or board package, and release; verify the official support page
Realtek Virtual Audio Endpoint (companion feature)	Virtual Devices	10/11 only where the exact PC/board audio package lists it

The same manufacturer often ships several unrelated device classes, each with its own package.