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ATTO

ATTO ThunderLink NS 5254 Thunderbolt 5 Connectivity to High-Speed Ethernet

$2,195.00
$2,097.88 SAVE $97.12
None availableas of 09/20/2026

Ships when available. Free shipping on most items when you spend $100 or more.

Compliance, certifications and origin

  • TAA compliant
  • RoHS
  • Origin: United States
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

ATTO Thunderlink® Thunderbolt™ 5 to 25GbE adapters provide maximum throughput for high bandwidth network connectivity for demanding IT and media & entertainment applications

Industry Proven Technology

ATTO has nearly 40 years of experience developing first-to-market high performance and reliable storage connectivity solutions for customers. ATTO ThunderLink 5 Ethernet adapters now provide creative professionals using Thunderbolt enabled hosts, cost effective access to storage not previously available using USB. The integrated family of ThunderLink adapters boasts an extensive list of customer design wins and certifications with respected industry partners. Now, the combination of ATTO and 25GbE is being integrated with the latest in cutting edge high performance Thunderbolt 5 connectivity.

ATTO360™ Networking

ATTO simplifies the optimization and configuration of our world class ThunderLink devices via our ATTO360™ Networking software. This software offers easy-to-use tuning profiles for performance and efficiency including partner specific storage profiles that get the most out of your storage. This application also includes ATTOview™ monitoring that analyzes thousand of metrics in both real-time and point in time via time series database and ATTO Expert™ that gives instant advice on how to solve bottlenecks and eliminate downtime.

Flexible Connectivity Solutions

ATTO 25GbE adapters provide the most flexible and scalable connectivity for today's high bandwidth content creation environments. Growing adoption of 25GbE combined with increased bandwidth of Thunderbolt 5 delivers much needed performance benefits to bandwidth intensive applications.

Performance Engineered

When faced with the challenge of architecting solutions that allow guaranteed delivery and easy deployment into your workflow, ATTO ThunderLink 5 provides a purpose-built solution. With up to 25Gb/s data transfer rates and multiple offloads, ATTO Ethernet Adapters are the premier connectivity choice for bandwidth intensive applications such as data back-up and restoration, IP content delivery, medical imaging, and video rendering

Technical specifications

General Information

Manufacturer Atto Technology
Manufacturer Part Number TLNS-5254-D00
Manufacturer Website Address http://www.attotech.com
Brand Name ATTO
Product Line ThunderLink
Product Model TLNS-5254-D00
Product Name ThunderLink NS 5254 Thunderbolt 5 Connectivity to High-Speed Ethernet
Product Type 25Gigabit Ethernet Adapter

Interfaces/Ports

Host Interface Thunderbolt 5

Technical Information

Features Large Receive Offload (LRO)Large Send Offload (LSO)TCP/UDP/IP Checksum OffloadingTCP Segmentation Offload (TSO)Transmit Side Scaling (TSS)IPv4Receive Side Scaling (RSS)RDMA over Converged Ethernet (RoCE)Virtual Extensible LAN (VXLAN)VLAN SupportRDMA over Converged Ethernet (RoCE) v2Single Root I/O Virtualization (SR-IOV)Quality of Service (QoS)Extended Message-Signaled Interrupts (MSI-X)LED IndicatorEnergy EfficientPlug and Play

I/O Expansions

Total Number of Expansion Slots 4
Expansion Slot Type SFP28

Media & Performance

Media Type Supported Optical Fiber
Maximum Operating Distance 328.08 ft
Maximum Data Transfer Rate 25 Gbit/s

Physical Characteristics

Form Factor Desktop
Bracket Height Low Profile
Height 1.4"
Width 4.1"
Depth 9.5"

Miscellaneous

Package Contents
  • ThunderLink NS 5254 Thunderbolt 5 Connectivity to High-Speed Ethernet
  • 2 x SFP28 Optical Modules
  • 110V Power Cord
Application / Usage Network
Operating System Compatibility Mac OSLinuxWindows
Country of Origin United States
TAA Compliant Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)

Warranty

Limited Warranty 3 Year

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.