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Compact dual-port 25GbE Thunderbolt adapter with two SFP28 transceivers

Sonnet Technologies

Sonnet Technologies TWIN25G-TB 25GbE Thunderbolt Adapter

SKU CH-SK39-6DVMZ MPN TWIN25G-TB

Dual-port 25GbE Thunderbolt adapter with two SFP28 transceivers for high-speed networking on Mac, Windows and Linux

  • Dual 25 GbE ports accelerate bandwidth-intensive workflows
  • Two SFP28 transceivers included for immediate high-speed optical links
  • Compatible with Windows 10 and 11, macOS 13 and Sequoia 15.x, Linux Kernel 5.4 or later
  • Flow control and Receive Side Scaling optimise data handling and load distribution
  • Certified to IEC 62368-1, IEC 62368-2 and RoHS 3 safety and environmental standards

Dual-port 25GbE adapter with SFP28 transceivers

The Sonnet Twin25G-TB is a dual-port 25Gb Ethernet Thunderbolt adapter that includes two 25GBASE SFP28 optical transceivers. It connects to Mac, Windows or Linux computers equipped with Thunderbolt 3 or Thunderbolt 4 ports. The adapter supports both 10 Gigabit and 25 Gigabit Ethernet standards for integration with existing network infrastructure.

Suits post-production teams

This adapter targets shared-storage workgroups and bandwidth-intensive workflows that need dual 25GbE optical links. It runs on Windows 10, Windows 11, macOS 13 or later including macOS Sequoia 15.x, and Linux kernel 5.4 or later. It is not for users who lack Thunderbolt 3 or Thunderbolt 4 ports on their host system.

Complies with IEC 62368-1, IEC 62368-2 and RoHS 3

The network adapter meets IEC 62368-1, IEC 62368-2 and RoHS 3 safety and environmental standards. It also provides flow control and Receive Side Scaling for efficient data handling and load distribution. This compliance confirms the unit is built for reliable operation in professional environments.

How it compares

Measured against everything we stock in Wi-Fi Access Points, at today’s prices. Recalculated every night.

Price $725.99
Pricier than about 73% of the 782 comparable items (median $253.99).

Specifications

Product
Brand nameSonnet
Model nameTWIN25G-TB
Part numberTWIN25G-TB
Size & build
Shipping weight2.11 kg
Package size307 × 173 × 150 mm

Questions about this item

Will this adapter work with my existing 10GbE switch and cabling?

Yes, the Twin25G supports both 10 Gigabit and 25 Gigabit Ethernet standards, so it is backward compatible with your current 10GbE infrastructure.

How can I verify the dual-port 25GbE link is active after connecting the included SFP28 transceivers?

Check the adapter LEDs and your operating system network status; both ports should show a 25 Gbps link when connected to a compatible switch.

Does the box contain the two SFP28 transceivers or must I purchase them separately?

The package includes two 25GBASE SFP28 transceivers, so no separate transceiver purchase is required for dual-port operation.

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