Compatibility

Mac Compatibility

• macOS 15+ Mac with Thunderbolt 5, Thunderbolt 4, Thunderbolt/USB4, or Thunderbolt 3 ports
• macOS Tahoe compatible

Windows Compatibility

• Windows 11 computer with Thunderbolt 5, Thunderbolt 4, or USB4(1) ports

Linux Compatibility

• Linux kernel 6.12, 6.18 (or newer) computer with Thunderbolt 5, Thunderbolt 4, or USB4 ports

Hardware

Part Number

• TWIN25G-T5

Warranty

• 2-year

Form Factor

• Thunderbolt 5 25GbE adapter

External Connectors

• Two Thunderbolt 5 ports
  (second port supports a Thunderbolt peripheral, USB device, or a display)
• Two SFP28 sockets with two 25GBASE-SR optical transceivers
• 12V power port

25GbE Controller

• Mellanox ConnectX

Network Support

• 25 Gbps
• 10 Gbps

Teaming (Link Aggregation)

• Not Supported

Packets

• Maximum packet size: 9000 bytes (jumbo frames)

Data Rates Supported per Port

• 25 Gbps
• 10 Gbps

Advanced Features

• Flow control support
• MSI (Message Signaled Interrupts)
• RSS (Receive-Side Scaling)
• Multicast filtering
• 64-bit address support for systems using more than 4GB of physical memory
• Wake-on-LAN not supported

Stateless Offloads

• TCP, UDP, and IPv4 checksum offloading
• TRO (TCP Receive Offload)

Power Adapter

• Universal 60W, 100-240V, 50-60 Hz
• NRTL Certified

Operating Temperature

• 0ºC to 35ºC (32ºF to 95ºF)

Dimensions (WxDxH)

• Twin25G T5: 3.0 x 11.6 x 5.9 in. (7.6 x 29.5 x 15 cm)
• Power adapter: 2.5 x 4.4 x 1.3 in. (6.4 x 11.2 x 3.3 cm)

Weight

• Twin25G T5 and power adapter: 4.4 lbs. (2 kg)
• Complete package: 5.8 lbs. (2.63 kg)

Compliance

• RoHS 3 (Directive 2015/863)
• IEC62368-1 and IEC62368-2 Safety

Package Contents

• Twin25G T5 Thunderbolt 5 Adapter
• Two 25GBASE-SR (short-range) SFP28 transceivers (installed)
• Universal power adapter
• Region-specific power cable
• 0.8- meter Thunderbolt 5 cable
• ThunderLok-A connector lock
• Documentation

Support Links

Support Knowledge Base

Twin25G T5 Thunderbolt 5 Adapter Support

Product Documentation