TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCIe 2.0 or Later Slot into a 2.5G Ethernet Port, 802.1Q VLAN Tagging, Standard & Low-Profile Brackets Included, Windows Support
TRENDnet

TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCIe 2.0 or Later Slot into a 2.5G Ethernet Port, 802.1Q VLAN Tagging, Standard & Low-Profile Brackets Included, Windows Support

$19.99 ★★★★☆4.4(996 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.

TRENDnet's 2.5GBASE-T PCIe Network Adapter, model TEG-25GECTX, converts a free PCIe 2.0 or later slot into a 2.5GBASE-T Ethernet port. The 2.5G network adapter includes advanced features such as jumbo frame and VLAN tagging support. Compatible with Windows® desktop computer designs, the 2.5G network adapter includes both standard and low-profile brackets.

SpecPicks Verdict

SpecPicks classifies TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCI… as a solid pick with broad community endorsement in the networking cards category, based on 996 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. TRENDnet's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for networking cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Solid 4.4★ customer rating
  • ✓ JUMBO FRAME: Sends larger packets, or jumbo frames (up to 9KB), for increased performance.
  • ✓ Backed by TRENDnet's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • 2.5GB ETHERNET PORT: 2.5G network adapter supports three speeds: 2.5Gbps, 1Gbps, and 100Mbps over standard Cat5e cables at distances up to 100m (328 ft.)
  • NDAA + TAA COMPLIANT: With our NDAA and TAA compliant Network Adapters, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only)
  • MANUFACTURER PROTECTION: We stand by the quality of our products.The TEG-25GECTX 2.5GBase-T PCIe Network Adapter is backed and supported with 3 years of TRENDnet Manufacturer Protection.
  • RELIABLE TECH SUPPORT: Our team of advisors, support and tech experts are English speaking, and available for all your needs during normal business hours. We take pride in being there for our customers.
  • PCIe to 2.5G: This 2.5GBASE-T PCIe Network Adapter converts a PCIe 2.0 or later slot into a 2.5G Ethernet Port
  • COMPATIBLE OPERATING SYSTEMS: This network adapter is compatible with Windows, Windows Server operating system.

Full Specifications

BrandTRENDnet
ColorBlue/Silver
Weight2.5g
BRACKETSSupports most installations with included standard and low-profile brackets
JUMBO FRAMESends larger packets, or jumbo frames (up to 9KB), for increased performance.
Model NumberTEG-25GECTX
PCIe to 2.5GThis 2.5GBASE-T PCIe Network Adapter converts a PCIe 2.0 or later slot into a 2.5G Ethernet Port
VLAN SUPPORT2.5G network adapter with IEEE 802.1Q tagged-based VLAN support
Built-In MediaQuick Installation Guide, Standard & low-profile brackets, TEG-25GECTX
LED INDICATORSLED indicators convey port status, link speed and activity
Mfr Part NumberTEG-25GECTX
Compatible DevicesDesktop
Data Link ProtocolIEEE 802.3
Data Transfer Rate100 Megabits Per Second

Ready to buy?

TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCIe 2.0 or Later Slot into a 2.5G Ethernet Port, 802.1Q VLAN Tagging, Standard & Low-Profile Brackets Included, Windows Support is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.

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TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCIe 2.0 or Later Slot into a 2.5G Ethernet Port, 802.1Q VLAN Tagging, Standard & Low-Profile Brackets Included, Windows Support
$19.99
4.4★ (996)
View on Amazon →